swh:1:snp:c2847dfd741eae21606027cf29250d1ebcd63fb4
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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
c517d83 | Linus Torvalds | 23 February 2015, 02:21:14 UTC | Linux 4.0-rc1 .. after extensive statistical analysis of my G+ polling, I've come to the inescapable conclusion that internet polls are bad. Big surprise. But "Hurr durr I'ma sheep" trounced "I like online polls" by a 62-to-38% margin, in a poll that people weren't even supposed to participate in. Who can argue with solid numbers like that? 5,796 votes from people who can't even follow the most basic directions? In contrast, "v4.0" beat out "v3.20" by a slimmer margin of 56-to-44%, but with a total of 29,110 votes right now. Now, arguably, that vote spread is only about 3,200 votes, which is less than the almost six thousand votes that the "please ignore" poll got, so it could be considered noise. But hey, I asked, so I'll honor the votes. | 23 February 2015, 02:21:14 UTC |
feaf222 | Linus Torvalds | 23 February 2015, 02:05:13 UTC | Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 fixes from Ted Ts'o: "Ext4 bug fixes. We also reserved code points for encryption and read-only images (for which the implementation is mostly just the reserved code point for a read-only feature :-)" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix indirect punch hole corruption ext4: ignore journal checksum on remount; don't fail ext4: remove duplicate remount check for JOURNAL_CHECKSUM change ext4: fix mmap data corruption in nodelalloc mode when blocksize < pagesize ext4: support read-only images ext4: change to use setup_timer() instead of init_timer() ext4: reserve codepoints used by the ext4 encryption feature jbd2: complain about descriptor block checksum errors | 23 February 2015, 02:05:13 UTC |
be5e661 | Linus Torvalds | 23 February 2015, 01:42:14 UTC | Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull more vfs updates from Al Viro: "Assorted stuff from this cycle. The big ones here are multilayer overlayfs from Miklos and beginning of sorting ->d_inode accesses out from David" * 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (51 commits) autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocation procfs: fix race between symlink removals and traversals debugfs: leave freeing a symlink body until inode eviction Documentation/filesystems/Locking: ->get_sb() is long gone trylock_super(): replacement for grab_super_passive() fanotify: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions Cachefiles: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry) SELinux: Use d_is_positive() rather than testing dentry->d_inode Smack: Use d_is_positive() rather than testing dentry->d_inode TOMOYO: Use d_is_dir() rather than d_inode and S_ISDIR() Apparmor: Use d_is_positive/negative() rather than testing dentry->d_inode Apparmor: mediated_filesystem() should use dentry->d_sb not inode->i_sb VFS: Split DCACHE_FILE_TYPE into regular and special types VFS: Add a fallthrough flag for marking virtual dentries VFS: Add a whiteout dentry type VFS: Introduce inode-getting helpers for layered/unioned fs environments Infiniband: Fix potential NULL d_inode dereference posix_acl: fix reference leaks in posix_acl_create autofs4: Wrong format for printing dentry ... | 23 February 2015, 01:42:14 UTC |
90c453c | Linus Torvalds | 22 February 2015, 17:57:16 UTC | Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm Pull ARM fix from Russell King: "Just one fix this time around. __iommu_alloc_buffer() can cause a BUG() if dma_alloc_coherent() is called with either __GFP_DMA32 or __GFP_HIGHMEM set. The patch from Alexandre addresses this" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8305/1: DMA: Fix kzalloc flags in __iommu_alloc_buffer() | 22 February 2015, 17:57:16 UTC |
0a28096 | Al Viro | 22 February 2015, 03:19:57 UTC | autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocation X-Coverup: just ask spender Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:43:34 UTC |
7e0e953 | Al Viro | 22 February 2015, 03:16:11 UTC | procfs: fix race between symlink removals and traversals use_pde()/unuse_pde() in ->follow_link()/->put_link() resp. Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:43:12 UTC |
0db59e5 | Al Viro | 22 February 2015, 03:05:11 UTC | debugfs: leave freeing a symlink body until inode eviction As it is, we have debugfs_remove() racing with symlink traversals. Supply ->evict_inode() and do freeing there - inode will remain pinned until we are done with the symlink body. And rip the idiocy with checking if dentry is positive right after we'd verified debugfs_positive(), which is a stronger check... Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:43 UTC |
dca1117 | Al Viro | 21 February 2015, 09:59:02 UTC | Documentation/filesystems/Locking: ->get_sb() is long gone Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:43 UTC |
eb6ef3d | Konstantin Khlebnikov | 19 February 2015, 17:19:35 UTC | trylock_super(): replacement for grab_super_passive() I've noticed significant locking contention in memory reclaimer around sb_lock inside grab_super_passive(). Grab_super_passive() is called from two places: in icache/dcache shrinkers (function super_cache_scan) and from writeback (function __writeback_inodes_wb). Both are required for progress in memory allocator. Grab_super_passive() acquires sb_lock to increment sb->s_count and check sb->s_instances. It seems sb->s_umount locked for read is enough here: super-block deactivation always runs under sb->s_umount locked for write. Protecting super-block itself isn't a problem: in super_cache_scan() sb is protected by shrinker_rwsem: it cannot be freed if its slab shrinkers are still active. Inside writeback super-block comes from inode from bdi writeback list under wb->list_lock. This patch removes locking sb_lock and checks s_instances under s_umount: generic_shutdown_super() unlinks it under sb->s_umount locked for write. New variant is called trylock_super() and since it only locks semaphore, callers must call up_read(&sb->s_umount) instead of drop_super(sb) when they're done. Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:42 UTC |
54f2a2f | David Howells | 29 January 2015, 12:02:36 UTC | fanotify: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions Fanotify probably doesn't want to watch autodirs so make it use d_can_lookup() rather than d_is_dir() when checking a dir watch and give an error on fake directories. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:42 UTC |
ce40fa7 | David Howells | 29 January 2015, 12:02:36 UTC | Cachefiles: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions Fix up the following scripted S_ISDIR/S_ISREG/S_ISLNK conversions (or lack thereof) in cachefiles: (1) Cachefiles mostly wants to use d_can_lookup() rather than d_is_dir() as it doesn't want to deal with automounts in its cache. (2) Coccinelle didn't find S_IS* expressions in ASSERT() statements in cachefiles. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:41 UTC |
e36cb0b | David Howells | 29 January 2015, 12:02:35 UTC | VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry) Convert the following where appropriate: (1) S_ISLNK(dentry->d_inode) to d_is_symlink(dentry). (2) S_ISREG(dentry->d_inode) to d_is_reg(dentry). (3) S_ISDIR(dentry->d_inode) to d_is_dir(dentry). This is actually more complicated than it appears as some calls should be converted to d_can_lookup() instead. The difference is whether the directory in question is a real dir with a ->lookup op or whether it's a fake dir with a ->d_automount op. In some circumstances, we can subsume checks for dentry->d_inode not being NULL into this, provided we the code isn't in a filesystem that expects d_inode to be NULL if the dirent really *is* negative (ie. if we're going to use d_inode() rather than d_backing_inode() to get the inode pointer). Note that the dentry type field may be set to something other than DCACHE_MISS_TYPE when d_inode is NULL in the case of unionmount, where the VFS manages the fall-through from a negative dentry to a lower layer. In such a case, the dentry type of the negative union dentry is set to the same as the type of the lower dentry. However, if you know d_inode is not NULL at the call site, then you can use the d_is_xxx() functions even in a filesystem. There is one further complication: a 0,0 chardev dentry may be labelled DCACHE_WHITEOUT_TYPE rather than DCACHE_SPECIAL_TYPE. Strictly, this was intended for special directory entry types that don't have attached inodes. The following perl+coccinelle script was used: use strict; my @callers; open($fd, 'git grep -l \'S_IS[A-Z].*->d_inode\' |') || die "Can't grep for S_ISDIR and co. callers"; @callers = <$fd>; close($fd); unless (@callers) { print "No matches\n"; exit(0); } my @cocci = ( '@@', 'expression E;', '@@', '', '- S_ISLNK(E->d_inode->i_mode)', '+ d_is_symlink(E)', '', '@@', 'expression E;', '@@', '', '- S_ISDIR(E->d_inode->i_mode)', '+ d_is_dir(E)', '', '@@', 'expression E;', '@@', '', '- S_ISREG(E->d_inode->i_mode)', '+ d_is_reg(E)' ); my $coccifile = "tmp.sp.cocci"; open($fd, ">$coccifile") || die $coccifile; print($fd "$_\n") || die $coccifile foreach (@cocci); close($fd); foreach my $file (@callers) { chomp $file; print "Processing ", $file, "\n"; system("spatch", "--sp-file", $coccifile, $file, "--in-place", "--no-show-diff") == 0 || die "spatch failed"; } [AV: overlayfs parts skipped] Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:41 UTC |
2c616d4 | David Howells | 29 January 2015, 12:02:33 UTC | SELinux: Use d_is_positive() rather than testing dentry->d_inode Use d_is_positive() rather than testing dentry->d_inode in SELinux to get rid of direct references to d_inode outside of the VFS. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:40 UTC |
8802565 | David Howells | 29 January 2015, 12:02:32 UTC | Smack: Use d_is_positive() rather than testing dentry->d_inode Use d_is_positive() rather than testing dentry->d_inode in Smack to get rid of direct references to d_inode outside of the VFS. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:40 UTC |
e656a8e | David Howells | 29 January 2015, 12:02:32 UTC | TOMOYO: Use d_is_dir() rather than d_inode and S_ISDIR() Use d_is_dir() rather than d_inode and S_ISDIR(). Note that this will include fake directories such as automount triggers. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:39 UTC |
729b8a3 | David Howells | 29 January 2015, 12:02:31 UTC | Apparmor: Use d_is_positive/negative() rather than testing dentry->d_inode Use d_is_positive(dentry) or d_is_negative(dentry) rather than testing dentry->d_inode as the dentry may cover another layer that has an inode when the top layer doesn't or may hold a 0,0 chardev that's actually a whiteout. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:39 UTC |
7ac2856 | David Howells | 29 January 2015, 12:02:31 UTC | Apparmor: mediated_filesystem() should use dentry->d_sb not inode->i_sb mediated_filesystem() should use dentry->d_sb not dentry->d_inode->i_sb and should avoid file_inode() also since it is really dealing with the path. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:39 UTC |
44bdb5e | David Howells | 29 January 2015, 12:02:29 UTC | VFS: Split DCACHE_FILE_TYPE into regular and special types Split DCACHE_FILE_TYPE into DCACHE_REGULAR_TYPE (dentries representing regular files) and DCACHE_SPECIAL_TYPE (representing blockdev, chardev, FIFO and socket files). d_is_reg() and d_is_special() are added to detect these subtypes and d_is_file() is left as the union of the two. This allows a number of places that use S_ISREG(dentry->d_inode->i_mode) to use d_is_reg(dentry) instead. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:38 UTC |
df1a085 | David Howells | 29 January 2015, 12:02:28 UTC | VFS: Add a fallthrough flag for marking virtual dentries Add a DCACHE_FALLTHRU flag to indicate that, in a layered filesystem, this is a virtual dentry that covers another one in a lower layer that should be used instead. This may be recorded on medium if directory integration is stored there. The flag can be set with d_set_fallthru() and tested with d_is_fallthru(). Original-author: Valerie Aurora <vaurora@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:38 UTC |
e7f7d22 | David Howells | 29 January 2015, 12:02:27 UTC | VFS: Add a whiteout dentry type Add DCACHE_WHITEOUT_TYPE and provide a d_is_whiteout() accessor function. A d_is_miss() accessor is also added for ordinary cache misses and d_is_negative() is modified to indicate either an ordinary miss or an enforced miss (whiteout). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:37 UTC |
155e35d | David Howells | 29 January 2015, 12:02:27 UTC | VFS: Introduce inode-getting helpers for layered/unioned fs environments Introduce some function for getting the inode (and also the dentry) in an environment where layered/unioned filesystems are in operation. The problem is that we have places where we need *both* the union dentry and the lower source or workspace inode or dentry available, but we can only have a handle on one of them. Therefore we need to derive the handle to the other from that. The idea is to introduce an extra field in struct dentry that allows the union dentry to refer to and pin the lower dentry. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 22 February 2015, 16:38:15 UTC |
a135c71 | Linus Torvalds | 22 February 2015, 03:41:38 UTC | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus Pull MIPS updates from Ralf Baechle: "This is the main pull request for MIPS: - a number of fixes that didn't make the 3.19 release. - a number of cleanups. - preliminary support for Cavium's Octeon 3 SOCs which feature up to 48 MIPS64 R3 cores with FPU and hardware virtualization. - support for MIPS R6 processors. Revision 6 of the MIPS architecture is a major revision of the MIPS architecture which does away with many of original sins of the architecture such as branch delay slots. This and other changes in R6 require major changes throughout the entire MIPS core architecture code and make up for the lion share of this pull request. - finally some preparatory work for eXtendend Physical Address support, which allows support of up to 40 bit of physical address space on 32 bit processors" [ Ahh, MIPS can't leave the PAE brain damage alone. It's like every CPU architect has to make that mistake, but pee in the snow by changing the TLA. But whether it's called PAE, LPAE or XPA, it's horrid crud - Linus ] * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (114 commits) MIPS: sead3: Corrected get_c0_perfcount_int MIPS: mm: Remove dead macro definitions MIPS: OCTEON: irq: add CIB and other fixes MIPS: OCTEON: Don't do acknowledge operations for level triggered irqs. MIPS: OCTEON: More OCTEONIII support MIPS: OCTEON: Remove setting of processor specific CVMCTL icache bits. MIPS: OCTEON: Core-15169 Workaround and general CVMSEG cleanup. MIPS: OCTEON: Update octeon-model.h code for new SoCs. MIPS: OCTEON: Implement DCache errata workaround for all CN6XXX MIPS: OCTEON: Add little-endian support to asm/octeon/octeon.h MIPS: OCTEON: Implement the core-16057 workaround MIPS: OCTEON: Delete unused COP2 saving code MIPS: OCTEON: Use correct instruction to read 64-bit COP0 register MIPS: OCTEON: Save and restore CP2 SHA3 state MIPS: OCTEON: Fix FP context save. MIPS: OCTEON: Save/Restore wider multiply registers in OCTEON III CPUs MIPS: boot: Provide more uImage options MIPS: Remove unneeded #ifdef __KERNEL__ from asm/processor.h MIPS: ip22-gio: Remove legacy suspend/resume support mips: pci: Add ifdef around pci_proc_domain ... | 22 February 2015, 03:41:38 UTC |
2177033 | Linus Torvalds | 22 February 2015, 03:21:54 UTC | Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Arnd Bergmann: "A few fixes that came in too late to make it into the first set of pull requests but would still be nice to have in -rc1. The majority of these are trivial build fixes for bugs that I found myself using randconfig testing, and a set of two patches from Uwe to mark DT strings as 'const' where appropriate, to resolve inconsistent section attributes" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: make of_device_ids const ARM: make arrays containing machine compatible strings const ARM: mm: Remove Kconfig symbol CACHE_PL310 ARM: rockchip: force built-in regulator support for PM ARM: mvebu: build armada375-smp code conditionally ARM: sti: always enable RESET_CONTROLLER ARM: rockchip: make rockchip_suspend_init conditional ARM: ixp4xx: fix {in,out}s{bwl} data types ARM: prima2: do not select SMP_ON_UP ARM: at91: fix pm declarations ARM: davinci: multi-soc kernels require AUTO_ZRELADDR ARM: davinci: davinci_cfg_reg cannot be init ARM: BCM: put back ARCH_MULTI_V7 dependency for mobile ARM: vexpress: use ARM_CPU_SUSPEND if needed ARM: dts: add I2C device nodes for Broadcom Cygnus ARM: dts: BCM63xx: fix L2 cache properties | 22 February 2015, 03:21:54 UTC |
c8c6c9b | Linus Torvalds | 22 February 2015, 03:16:42 UTC | Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull misc SCSI patches from James Bottomley: "This is a short patch set representing a couple of left overs from the merge window (debug removal and MAINTAINER changes). Plus one merge window regression (the local workqueue for hpsa) and a set of bug fixes for several issues (two for scsi-mq and the rest an assortment of long standing stuff, all cc'd to stable)" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: sg: fix EWOULDBLOCK errors with scsi-mq sg: fix unkillable I/O wait deadlock with scsi-mq sg: fix read() error reporting wd719x: add missing .module to wd719x_template hpsa: correct compiler warnings introduced by hpsa-add-local-workqueue patch fixed invalid assignment of 64bit mask to host dma_boundary for scatter gather segment boundary limit. fcoe: Transition maintainership to Vasu am53c974: remove left-over debugging code | 22 February 2015, 03:16:42 UTC |
93aaa83 | Linus Torvalds | 21 February 2015, 22:09:38 UTC | Merge tag 'xfs-pnfs-for-linus-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs Pull xfs pnfs block layout support from Dave Chinner: "This contains the changes to XFS needed to support the PNFS block layout server that you pulled in through Bruce's NFS server tree merge. I originally thought that I'd need to merge changes into the NFS server side, but Bruce had already picked them up and so this is purely changes to the fs/xfs/ codebase. Summary: This update contains the implementation of the PNFS server export methods that enable use of XFS filesystems as a block layout target" * tag 'xfs-pnfs-for-linus-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: xfs: recall pNFS layouts on conflicting access xfs: implement pNFS export operations | 21 February 2015, 22:09:38 UTC |
24a52e4 | Linus Torvalds | 21 February 2015, 22:02:59 UTC | Merge tag 'nfs-for-3.20-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs Pull more NFS client updates from Trond Myklebust: "Highlights include: - Fix a use-after-free in decode_cb_sequence_args() - Fix a compile error when #undef CONFIG_PROC_FS - NFSv4.1 backchannel spinlocking issue - Cleanups in the NFS unstable write code requested by Linus - NFSv4.1 fix issues when the server denies our backchannel request - Cleanups in create_session and bind_conn_to_session" * tag 'nfs-for-3.20-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv4.1: Clean up bind_conn_to_session NFSv4.1: Always set up a forward channel when binding the session NFSv4.1: Don't set up a backchannel if the server didn't agree to do so NFSv4.1: Clean up create_session pnfs: Refactor the *_layout_mark_request_commit to use pnfs_layout_mark_request_commit NFSv4: Kill unused nfs_inode->delegation_state field NFS: struct nfs_commit_info.lock must always point to inode->i_lock nfs: Can call nfs_clear_page_commit() instead nfs: Provide and use helper functions for marking a page as unstable SUNRPC: Always manipulate rpc_rqst::rq_bc_pa_list under xprt->bc_pa_lock SUNRPC: Fix a compile error when #undef CONFIG_PROC_FS NFSv4.1: Convert open-coded array allocation calls to kmalloc_array() NFSv4.1: Fix a kfree() of uninitialised pointers in decode_cb_sequence_args | 21 February 2015, 22:02:59 UTC |
cd50b70 | Linus Torvalds | 21 February 2015, 21:40:41 UTC | Merge tag 'pm+acpi-3.20-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull one more batch of power management and ACPI updates from Rafael Wysocki: "These are mostly fixes on top of the previously merged recent PM and ACPI material. First, one commit that broke the ACPI LPSS (Low-Power Subsystem) driver on a Dell box is reverted and there are two stable-candidate fixes for that driver. Another fix cleans up two recently added ACPI EC messages that look odd and the printk level of a noisy debug message in the core ACPI resources handling code is reduced. In addition to that we have two stable-candidate fixes for the s3c cpufreq driver, two cpuidle powernv driver updates related to Device Trees and a PNP subsystem cleanup that will allow us to get rid of some old ugliness going forward. Also there is a new blacklist entry for the ACPI backlight code. Specifics: - Revert a recent ACPI LPSS driver commit that prevented the touchpad driver from loading on Dell XPS13 (Jarkko Nikula). - Make the ACPI LPSS driver disable the I2C controllers and deassert SPI host controllers resets at startup on Intel BayTrail and Braswell SoCs in case they have been left in wrong states by the platform firmware which then may casuse fatal controller driver failures during resume from hibernation (Mika Westerberg). - Make two recently added ACPI EC messages look better (Scot Doyle). - Reduce the printk level of a recently added debug message related to ACPI resources that may become noisy in some cases (Rafael J Wysocki). - Add a new ACPI backlight blacklist entry for Samsung Series 9 (900X3C/900X3D/900X3E/900X4C/900X4D) laptops where the native backlight interface doesn't work while the ACPI based one does (Jens Reyer). - Make the PNP sybsystem's core code use __request_region() followed by __release_region() instead of __check_region() which then will allow us to get rid of the latter as it has no more users (Jakub Sitnicki). - Fix a build breakage and an issue with two __init functions that may be called after initialization in the s3c cpufreq driver (Arnd Bergmann). - Make the powernv cpuidle driver read target_residency values for idle states from a Device Tree (as we have the suitable DT bindings for that now) and improve the parsing of the powermgmt DT node in that driver (Preeti U Murthy)" * tag 'pm+acpi-3.20-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpuidle: powernv: Avoid endianness conversions while parsing DT cpufreq: s3c: remove last use of resume_clocks callback cpufreq: s3c: remove incorrect __init annotations ACPI / LPSS: Deassert resets for SPI host controllers on Braswell ACPI / LPSS: Always disable I2C host controllers ACPI / resources: Change pr_info() to pr_debug() for debug information ACPI / video: Disable native backlight on Samsung Series 9 laptops cpuidle: powernv: Read target_residency value of idle states from DT if available Revert "ACPI / LPSS: Remove non-existing clock control from Intel Lynxpoint I2C" ACPI / EC: Remove non-standard log emphasis PNP: Switch from __check_region() to __request_region() | 21 February 2015, 21:40:41 UTC |
2bfedd1 | Linus Torvalds | 21 February 2015, 21:36:02 UTC | Merge branch 'for-linus' of git://git.kernel.dk/linux-block Pull followup block layer updates from Jens Axboe: "Two things in this pull request: - A block throttle oops fix (marked for stable) from Thadeu. - The NVMe fixes/features queued up for 3.20, but merged later in the process. From Keith. We should have gotten this merged earlier, we're ironing out the kinks in the process. Will be ready for the initial pull next series" * 'for-linus' of git://git.kernel.dk/linux-block: blk-throttle: check stats_cpu before reading it from sysfs NVMe: Fix potential corruption on sync commands NVMe: Remove unused variables NVMe: Fix scsi mode select llbaa setting NVMe: Fix potential corruption during shutdown NVMe: Asynchronous controller probe NVMe: Register management handle under nvme class NVMe: Update SCSI Inquiry VPD 83h translation NVMe: Metadata format support | 21 February 2015, 21:36:02 UTC |
a911dcd | Linus Torvalds | 21 February 2015, 21:28:45 UTC | Merge tag 'dm-3.20-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull more device mapper changes from Mike Snitzer: - Significant dm-crypt CPU scalability performance improvements thanks to changes that enable effective use of an unbound workqueue across all available CPUs. A large battery of tests were performed to validate these changes, summary of results is available here: https://www.redhat.com/archives/dm-devel/2015-February/msg00106.html - A few additional stable fixes (to DM core, dm-snapshot and dm-mirror) and a small fix to the dm-space-map-disk. * tag 'dm-3.20-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm snapshot: fix a possible invalid memory access on unload dm: fix a race condition in dm_get_md dm crypt: sort writes dm crypt: add 'submit_from_crypt_cpus' option dm crypt: offload writes to thread dm crypt: remove unused io_pool and _crypt_io_pool dm crypt: avoid deadlock in mempools dm crypt: don't allocate pages for a partial request dm crypt: use unbound workqueue for request processing dm io: reject unsupported DISCARD requests with EOPNOTSUPP dm mirror: do not degrade the mirror on discard error dm space map disk: fix sm_disk_count_is_more_than_one() | 21 February 2015, 21:28:45 UTC |
e20d3ef | Linus Torvalds | 21 February 2015, 21:21:19 UTC | Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target updates from Nicholas Bellinger: "The highlights this round include: - Update vhost-scsi to support F_ANY_LAYOUT using mm/iov_iter.c logic, and signal VERSION_1 support (MST + Viro + nab) - Fix iscsi/iser-target to remove problematic active_ts_set usage (Gavin Guo) - Update iscsi/iser-target to support multi-sequence sendtargets (Sagi) - Fix original PR_APTPL_BUF_LEN 8k size limitation (Martin Svec) - Add missing WRITE_SAME end-of-device sanity check (Bart) - Check for LBA + sectors wrap-around in sbc_parse_cdb() (nab) - Other various minor SPC/SBC compliance fixes based upon Ronnie Sahlberg test suite (nab)" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (32 commits) target: Set LBPWS10 bit in Logical Block Provisioning EVPD target: Fail UNMAP when emulate_tpu=0 target: Fail WRITE_SAME w/ UNMAP=1 when emulate_tpws=0 target: Add sanity checks for DPO/FUA bit usage target: Perform PROTECT sanity checks for WRITE_SAME target: Fail I/O with PROTECT bit when protection is unsupported target: Check for LBA + sectors wrap-around in sbc_parse_cdb target: Add missing WRITE_SAME end-of-device sanity check iscsi-target: Avoid IN_LOGOUT failure case for iser-target target: Fix PR_APTPL_BUF_LEN buffer size limitation iscsi-target: Drop problematic active_ts_list usage iscsi/iser-target: Support multi-sequence sendtargets text response iser-target: Remove duplicate function names vhost/scsi: potential memory corruption vhost/scsi: Global tcm_vhost -> vhost_scsi rename vhost/scsi: Drop left-over scsi_tcq.h include vhost/scsi: Set VIRTIO_F_ANY_LAYOUT + VIRTIO_F_VERSION_1 feature bits vhost/scsi: Add ANY_LAYOUT support in vhost_scsi_handle_vq vhost/scsi: Add ANY_LAYOUT iov -> sgl mapping prerequisites vhost/scsi: Change vhost_scsi_map_to_sgl to accept iov ptr + len ... | 21 February 2015, 21:21:19 UTC |
1acd2de | Linus Torvalds | 21 February 2015, 20:59:04 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull more input updates from Dmitry Torokhov: "The second round of updates for the input subsystem. Updates to ALPS an bfin_roraty drivers and a couple oother fixups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: psmouse - use IS_ENABLED instead of homegrown code Input: bfin_rotary - introduce open and close methods Input: bfin_rotary - convert to use managed resources Input: bfin_rotary - use generic IO functions Input: bfin_rotary - move pin lists into into platform data Input: bfin_rotary - move platform header to linux/platform_data Input: bfin_rotary - mark suspend and resume code as __maybe_unused Input: bfin_rotary - fix potential oops in interrupt handler Input: ALPS - move v7 packet info to Documentation and v6 packet info Input: ALPS - fix confusing comment in protocol data Input: ALPS - do not mix trackstick and external PS/2 mouse data Input: ALPS - fix trackstick detection on some Dell Latitudes Input: ALPS - consolidate setting protocol parameters Input: ALPS - split protocol data from model info Input: ALPS - make Rushmore a separate protocol Input: ALPS - renumber protocol numbers Input: adi - remove an unnecessary check Input: pxa27x_keypad - remove an unneeded NULL check Input: soc_button_array - use "Windows" key for "Home" | 21 February 2015, 20:59:04 UTC |
b5ccb07 | Linus Torvalds | 21 February 2015, 20:53:21 UTC | Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband Pull InfiniBand/RDMA updates from Roland Dreier: - Re-enable on-demand paging changes with stable ABI - Fairly large set of ocrdma HW driver fixes - Some qib HW driver fixes - Other miscellaneous changes * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (43 commits) IB/qib: Add blank line after declaration IB/qib: Fix checkpatch warnings IB/mlx5: Enable the ODP capability query verb IB/core: Add on demand paging caps to ib_uverbs_ex_query_device IB/core: Add support for extended query device caps RDMA/cxgb4: Don't hang threads forever waiting on WR replies RDMA/ocrdma: Fix off by one in ocrdma_query_gid() RDMA/ocrdma: Use unsigned for bit index RDMA/ocrdma: Help gcc generate better code for ocrdma_srq_toggle_bit RDMA/ocrdma: Update the ocrdma module version string RDMA/ocrdma: set vlan present bit for user AH RDMA/ocrdma: remove reference of ocrdma_dev out of ocrdma_qp structure RDMA/ocrdma: Add support for interrupt moderation RDMA/ocrdma: Honor return value of ocrdma_resolve_dmac RDMA/ocrdma: Allow expansion of the SQ CQEs via buddy CQ expansion of the QP RDMA/ocrdma: Discontinue support of RDMA-READ-WITH-INVALIDATE RDMA/ocrdma: Host crash on destroying device resources RDMA/ocrdma: Report correct state in ibv_query_qp RDMA/ocrdma: Debugfs enhancments for ocrdma driver RDMA/ocrdma: Report correct count of interrupt vectors while registering ocrdma device ... | 21 February 2015, 20:53:21 UTC |
2953245 | Linus Torvalds | 21 February 2015, 20:41:50 UTC | Merge branch 'i2c/for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c updates from Wolfram Sang: "Summary: - legacy PM code removed from the core, there were no users anymore (thanks to Lars-Peter Clausen) - new driver for Broadcom iProc - bigger driver updates for designware, rk3x, cadence, ocores - a bunch of smaller updates and bugfixes" * 'i2c/for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (31 commits) i2c: ocores: rework clk code to handle NULL cookie i2c: designware-baytrail: another fixup for proper Kconfig dependencies i2c: fix reference to functionality constants definition i2c: iproc: Add Broadcom iProc I2C Driver i2c: designware-pci: update Intel copyright line i2c: ocores: add common clock support i2c: hix5hd2: add COMPILE_TEST i2c: clarify comments about the dev_released completion i2c: ocores: fix clock-frequency binding usage i2c: tegra: Maintain CPU endianness i2c: designware-baytrail: use proper Kconfig dependencies i2c: designware: Do not calculate SCL timing parameters needlessly i2c: do not try to load modules for of-registered devices i2c: designware: Add Intel Baytrail PMIC I2C bus support i2c: designware: Add i2c bus locking support of: i2c: Add i2c-mux-idle-disconnect DT property to PCA954x mux driver i2c: designware: use {readl|writel}_relaxed instead of readl/writel i2c: designware-pci: no need to provide clk_khz i2c: designware-pci: remove Moorestown support i2c: imx: whitespace and checkpatch cleanup ... | 21 February 2015, 20:41:50 UTC |
18a8d49 | Linus Torvalds | 21 February 2015, 20:30:30 UTC | Merge tag 'clk-for-linus-3.20' of git://git.linaro.org/people/mike.turquette/linux Pull clock framework updates from Mike Turquette: "The clock framework changes contain the usual driver additions, enhancements and fixes mostly for ARM32, ARM64, MIPS and Power-based devices. Additionally the framework core underwent a bit of surgery with two major changes: - The boundary between the clock core and clock providers (e.g clock drivers) is now more well defined with dedicated provider helper functions. struct clk no longer maps 1:1 with the hardware clock but is a true per-user cookie which helps us tracker users of hardware clocks and debug bad behavior. - The addition of rate constraints for clocks. Rate ranges are now supported which are analogous to the voltage ranges in the regulator framework. Unfortunately these changes to the core created some breakeage. We think we fixed it all up but for this reason there are lots of last minute commits trying to undo the damage" * tag 'clk-for-linus-3.20' of git://git.linaro.org/people/mike.turquette/linux: (113 commits) clk: Only recalculate the rate if needed Revert "clk: mxs: Fix invalid 32-bit access to frac registers" clk: qoriq: Add support for the platform PLL powerpc/corenet: Enable CLK_QORIQ clk: Replace explicit clk assignment with __clk_hw_set_clk clk: Add __clk_hw_set_clk helper function clk: Don't dereference parent clock if is NULL MIPS: Alchemy: Remove bogus args from alchemy_clk_fgcs_detr clkdev: Always allocate a struct clk and call __clk_get() w/ CCF clk: shmobile: div6: Avoid division by zero in .round_rate() clk: mxs: Fix invalid 32-bit access to frac registers clk: omap: compile legacy omap3 clocks conditionally clkdev: Export clk_register_clkdev clk: Add rate constraints to clocks clk: remove clk-private.h pci: xgene: do not use clk-private.h arm: omap2+ remove dead clock code clk: Make clk API return per-user struct clk instances clk: tegra: Define PLLD_DSI and remove dsia(b)_mux clk: tegra: Add support for the Tegra132 CAR IP block ... | 21 February 2015, 20:30:30 UTC |
c189cb8 | Linus Torvalds | 21 February 2015, 19:55:21 UTC | Merge tag 'vfio-v3.20-rc1' of git://github.com/awilliam/linux-vfio Pull VFIO updates from Alex Williamson: - IOMMU updates based on trace analysis - VFIO device request interface * tag 'vfio-v3.20-rc1' of git://github.com/awilliam/linux-vfio: vfio-pci: Add device request interface vfio-pci: Generalize setup of simple eventfds vfio: Add and use device request op for vfio bus drivers vfio: Tie IOMMU group reference to vfio group vfio: Add device tracking during unbind vfio/type1: Add conditional rescheduling vfio/type1: Chunk contiguous reserved/invalid page mappings vfio/type1: DMA unmap chunking | 21 February 2015, 19:55:21 UTC |
a2a6937 | Linus Torvalds | 21 February 2015, 19:53:00 UTC | Merge tag 'sound-fix-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Here are a few small fix patches for 3.20-rc1: - Quirks for Denon and Lifecam USB-audio devices and HD-audio on HP laptops - A long-time regression fix for HDSP eMADI - Add missing DRAIN_TRIGGER flag set for ASoC intel-sst - Trivial fixes for sequencer core and HD-audio Tegra, a LINE6 cleanup" * tag 'sound-fix-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usb: Fix support for Denon DA-300USB DAC (ID 154e:1003) ASoC: Intel: add SNDRV_PCM_INFO_DRAIN_TRIGGER flag ALSA: usb-audio: Don't attempt to get Lifecam HD-5000 sample rate ALSA: hda/tegra check correct return value from ioremap_resource ALSA: hdspm - Constrain periods to 2 on older cards ALSA: hda - enable mute led quirk for one more hp machine. ALSA: seq: potential out of bounds in do_control() ALSA: line6: Improve line6_read/write_data() interfaces | 21 February 2015, 19:53:00 UTC |
f5e25f0 | Linus Torvalds | 21 February 2015, 19:50:42 UTC | Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux Pull thermal management fix from Zhang Rui: "One patch to fix a problem that all Exynos SoCs will break at boot time" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: thermal: exynos: fix: Check if data->tmu_read callback is present before read | 21 February 2015, 19:50:42 UTC |
d34696c | Linus Torvalds | 21 February 2015, 19:18:26 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Martin Schwidefsky: "Two patches to save some memory if CONFIG_NR_CPUS is large, a changed default for the use of compare-and-delay, and a couple of bug fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/spinlock: disabled compare-and-delay by default s390/mm: align 64-bit PIE binaries to 4GB s390/cacheinfo: coding style changes s390/cacheinfo: fix shared cpu masks s390/smp: reduce size of struct pcpu s390/topology: convert cpu_topology array to per cpu variable s390/topology: delay initialization of topology cpu masks s390/vdso: fix clock_gettime for CLOCK_THREAD_CPUTIME_ID, -2 and -3 | 21 February 2015, 19:18:26 UTC |
f967737 | Linus Torvalds | 21 February 2015, 19:12:07 UTC | Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull Intel Quark SoC support from Ingo Molnar: "This adds support for Intel Quark X1000 SoC boards, used in the low power 32-bit x86 Intel Galileo microcontroller board intended for the Arduino space. There's been some preparatory core x86 patches for Quark CPU quirks merged already, but this rounds it all up and adds Kconfig enablement. It's a clean hardware enablement addition tree at this point" * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/intel/quark: Fix simple_return.cocci warnings x86/intel/quark: Fix ptr_ret.cocci warnings x86/intel/quark: Add Intel Quark platform support x86/intel/quark: Add Isolated Memory Regions for Quark X1000 | 21 February 2015, 19:12:07 UTC |
f3c233d | Linus Torvalds | 21 February 2015, 19:05:22 UTC | Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull ntp fix from Ingo Molnar: "An adjtimex interface regression fix for 32-bit systems" [ A check that was added in a previous commit is really only a concern for 64bit systems, but was applied to both 32 and 64bit systems, which results in breaking 32bit systems. Thus the fix here is to make the check only apply to 64bit systems ] * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: ntp: Fixup adjtimex freq validation on 32-bit systems | 21 February 2015, 19:05:22 UTC |
10436cf | Linus Torvalds | 21 February 2015, 18:45:03 UTC | Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Ingo Molnar: "Two fixes: the paravirt spin_unlock() corruption/crash fix, and an rtmutex NULL dereference crash fix" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/spinlocks/paravirt: Fix memory corruption on unlock locking/rtmutex: Avoid a NULL pointer dereference on deadlock | 21 February 2015, 18:45:03 UTC |
5fbe4c2 | Linus Torvalds | 21 February 2015, 18:41:29 UTC | Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc x86 fixes from Ingo Molnar: "This contains: - EFI fixes - a boot printout fix - ASLR/kASLR fixes - intel microcode driver fixes - other misc fixes Most of the linecount comes from an EFI revert" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/ASLR: Avoid PAGE_SIZE redefinition for UML subarch x86/microcode/intel: Handle truncated microcode images more robustly x86/microcode/intel: Guard against stack overflow in the loader x86, mm/ASLR: Fix stack randomization on 64-bit systems x86/mm/init: Fix incorrect page size in init_memory_mapping() printks x86/mm/ASLR: Propagate base load address calculation Documentation/x86: Fix path in zero-page.txt x86/apic: Fix the devicetree build in certain configs Revert "efi/libstub: Call get_memory_map() to obtain map and desc sizes" x86/efi: Avoid triple faults during EFI mixed mode calls | 21 February 2015, 18:41:29 UTC |
e2defd0 | Linus Torvalds | 21 February 2015, 18:40:02 UTC | Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "Thiscontains misc fixes: preempt_schedule_common() and io_schedule() recursion fixes, sched/dl fixes, a completion_done() revert, two sched/rt fixes and a comment update patch" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/rt: Avoid obvious configuration fail sched/autogroup: Fix failure to set cpu.rt_runtime_us sched/dl: Do update_rq_clock() in yield_task_dl() sched: Prevent recursion in io_schedule() sched/completion: Serialize completion_done() with complete() sched: Fix preempt_schedule_common() triggering tracing recursion sched/dl: Prevent enqueue of a sleeping task in dl_task_timer() sched: Make dl_task_time() use task_rq_lock() sched: Clarify ordering between task_rq_lock() and move_queued_task() | 21 February 2015, 18:40:02 UTC |
b5aeca5 | Linus Torvalds | 21 February 2015, 18:39:16 UTC | Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 uprobe/kprobe fixes from Ingo Molnar: "This contains two uprobes fixes, an uprobes comment update and a kprobes fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: kprobes/x86: Mark 2 bytes NOP as boostable uprobes/x86: Fix 2-byte opcode table uprobes/x86: Fix 1-byte opcode tables uprobes/x86: Add comment with insn opcodes, mnemonics and why we dont support them | 21 February 2015, 18:39:16 UTC |
3f4d992 | Linus Torvalds | 21 February 2015, 18:36:06 UTC | Merge branches 'core-urgent-for-linus' and 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull rcu fix and x86 irq fix from Ingo Molnar: - Fix a bug that caused an RCU warning splat. - Two x86 irq related fixes: a hotplug crash fix and an ACPI IRQ registry fix. * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: rcu: Clear need_qs flag to prevent splat * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/irq: Check for valid irq descriptor in check_irq_vectors_for_cpu_disable() x86/irq: Fix regression caused by commit b568b8601f05 | 21 February 2015, 18:36:06 UTC |
dd36929 | Linus Torvalds | 20 February 2015, 23:46:31 UTC | kernel: make READ_ONCE() valid on const arguments The use of READ_ONCE() causes lots of warnings witht he pending paravirt spinlock fixes, because those ends up having passing a member to a 'const' structure to READ_ONCE(). There should certainly be nothing wrong with using READ_ONCE() with a const source, but the helper function __read_once_size() would cause warnings because it would drop the 'const' qualifier, but also because the destination would be marked 'const' too due to the use of 'typeof'. Use a union of types in READ_ONCE() to avoid this issue. Also make sure to use parenthesis around the macro arguments to avoid possible operator precedence issues. Tested-by: Ingo Molnar <mingo@kernel.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 21 February 2015, 18:27:33 UTC |
decf6d7 | Jens Axboe | 21 February 2015, 06:12:02 UTC | Merge branch 'for-3.20' of git://git.infradead.org/users/kbusch/linux-nvme into for-linus Merge 3.20 NVMe changes from Keith. | 21 February 2015, 06:12:02 UTC |
045c47c | Thadeu Lima de Souza Cascardo | 16 February 2015, 19:16:45 UTC | blk-throttle: check stats_cpu before reading it from sysfs When reading blkio.throttle.io_serviced in a recently created blkio cgroup, it's possible to race against the creation of a throttle policy, which delays the allocation of stats_cpu. Like other functions in the throttle code, just checking for a NULL stats_cpu prevents the following oops caused by that race. [ 1117.285199] Unable to handle kernel paging request for data at address 0x7fb4d0020 [ 1117.285252] Faulting instruction address: 0xc0000000003efa2c [ 1137.733921] Oops: Kernel access of bad area, sig: 11 [#1] [ 1137.733945] SMP NR_CPUS=2048 NUMA PowerNV [ 1137.734025] Modules linked in: bridge stp llc kvm_hv kvm binfmt_misc autofs4 [ 1137.734102] CPU: 3 PID: 5302 Comm: blkcgroup Not tainted 3.19.0 #5 [ 1137.734132] task: c000000f1d188b00 ti: c000000f1d210000 task.ti: c000000f1d210000 [ 1137.734167] NIP: c0000000003efa2c LR: c0000000003ef9f0 CTR: c0000000003ef980 [ 1137.734202] REGS: c000000f1d213500 TRAP: 0300 Not tainted (3.19.0) [ 1137.734230] MSR: 9000000000009032 <SF,HV,EE,ME,IR,DR,RI> CR: 42008884 XER: 20000000 [ 1137.734325] CFAR: 0000000000008458 DAR: 00000007fb4d0020 DSISR: 40000000 SOFTE: 0 GPR00: c0000000003ed3a0 c000000f1d213780 c000000000c59538 0000000000000000 GPR04: 0000000000000800 0000000000000000 0000000000000000 0000000000000000 GPR08: ffffffffffffffff 00000007fb4d0020 00000007fb4d0000 c000000000780808 GPR12: 0000000022000888 c00000000fdc0d80 0000000000000000 0000000000000000 GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR20: 000001003e120200 c000000f1d5b0cc0 0000000000000200 0000000000000000 GPR24: 0000000000000001 c000000000c269e0 0000000000000020 c000000f1d5b0c80 GPR28: c000000000ca3a08 c000000000ca3dec c000000f1c667e00 c000000f1d213850 [ 1137.734886] NIP [c0000000003efa2c] .tg_prfill_cpu_rwstat+0xac/0x180 [ 1137.734915] LR [c0000000003ef9f0] .tg_prfill_cpu_rwstat+0x70/0x180 [ 1137.734943] Call Trace: [ 1137.734952] [c000000f1d213780] [d000000005560520] 0xd000000005560520 (unreliable) [ 1137.734996] [c000000f1d2138a0] [c0000000003ed3a0] .blkcg_print_blkgs+0xe0/0x1a0 [ 1137.735039] [c000000f1d213960] [c0000000003efb50] .tg_print_cpu_rwstat+0x50/0x70 [ 1137.735082] [c000000f1d2139e0] [c000000000104b48] .cgroup_seqfile_show+0x58/0x150 [ 1137.735125] [c000000f1d213a70] [c0000000002749dc] .kernfs_seq_show+0x3c/0x50 [ 1137.735161] [c000000f1d213ae0] [c000000000218630] .seq_read+0xe0/0x510 [ 1137.735197] [c000000f1d213bd0] [c000000000275b04] .kernfs_fop_read+0x164/0x200 [ 1137.735240] [c000000f1d213c80] [c0000000001eb8e0] .__vfs_read+0x30/0x80 [ 1137.735276] [c000000f1d213cf0] [c0000000001eb9c4] .vfs_read+0x94/0x1b0 [ 1137.735312] [c000000f1d213d90] [c0000000001ebb38] .SyS_read+0x58/0x100 [ 1137.735349] [c000000f1d213e30] [c000000000009218] syscall_exit+0x0/0x98 [ 1137.735383] Instruction dump: [ 1137.735405] 7c6307b4 7f891800 409d00b8 60000000 60420000 3d420004 392a63b0 786a1f24 [ 1137.735471] 7d49502a e93e01c8 7d495214 7d2ad214 <7cead02a> e9090008 e9490010 e9290018 And here is one code that allows to easily reproduce this, although this has first been found by running docker. void run(pid_t pid) { int n; int status; int fd; char *buffer; buffer = memalign(BUFFER_ALIGN, BUFFER_SIZE); n = snprintf(buffer, BUFFER_SIZE, "%d\n", pid); fd = open(CGPATH "/test/tasks", O_WRONLY); write(fd, buffer, n); close(fd); if (fork() > 0) { fd = open("/dev/sda", O_RDONLY | O_DIRECT); read(fd, buffer, 512); close(fd); wait(&status); } else { fd = open(CGPATH "/test/blkio.throttle.io_serviced", O_RDONLY); n = read(fd, buffer, BUFFER_SIZE); close(fd); } free(buffer); exit(0); } void test(void) { int status; mkdir(CGPATH "/test", 0666); if (fork() > 0) wait(&status); else run(getpid()); rmdir(CGPATH "/test"); } int main(int argc, char **argv) { int i; for (i = 0; i < NR_TESTS; i++) test(); return 0; } Reported-by: Ricardo Marin Matinata <rmm@br.ibm.com> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Cc: stable@vger.kernel.org Signed-off-by: Jens Axboe <axboe@fb.com> | 21 February 2015, 06:11:58 UTC |
3466b54 | Rafael J. Wysocki | 21 February 2015, 03:29:16 UTC | Merge branches 'pnp', 'pm-cpuidle' and 'pm-cpufreq' * pnp: PNP: Switch from __check_region() to __request_region() * pm-cpuidle: cpuidle: powernv: Avoid endianness conversions while parsing DT cpuidle: powernv: Read target_residency value of idle states from DT if available * pm-cpufreq: cpufreq: s3c: remove last use of resume_clocks callback cpufreq: s3c: remove incorrect __init annotations | 21 February 2015, 03:29:16 UTC |
9d0de5a | Rafael J. Wysocki | 21 February 2015, 03:28:56 UTC | Merge branches 'acpi-ec', 'acpi-soc', 'acpi-video' and 'acpi-resources' * acpi-ec: ACPI / EC: Remove non-standard log emphasis * acpi-soc: ACPI / LPSS: Deassert resets for SPI host controllers on Braswell ACPI / LPSS: Always disable I2C host controllers Revert "ACPI / LPSS: Remove non-existing clock control from Intel Lynxpoint I2C" * acpi-video: ACPI / video: Disable native backlight on Samsung Series 9 laptops * acpi-resources: ACPI / resources: Change pr_info() to pr_debug() for debug information | 21 February 2015, 03:28:56 UTC |
4fbd0a8 | Linus Torvalds | 20 February 2015, 23:13:29 UTC | Merge tag 'for_linux-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb Pull kgdb/kdb updates from Jason Wessel: "KGDB/KDB New: - KDB: improved searching - No longer enter debug core on panic if panic timeout is set KGDB/KDB regressions / cleanups - fix pdf doc build errors - prevent junk characters on kdb console from printk levels" * tag 'for_linux-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb: kgdb, docs: Fix <para> pdfdocs build errors debug: prevent entering debug mode on panic/exception. kdb: Const qualifier for kdb_getstr's prompt argument kdb: Provide forward search at more prompt kdb: Fix a prompt management bug when using | grep kdb: Remove stack dump when entering kgdb due to NMI kdb: Avoid printing KERN_ levels to consoles kdb: Fix off by one error in kdb_cpu() kdb: fix incorrect counts in KDB summary command output | 20 February 2015, 23:13:29 UTC |
44923c9 | Niklas Cassel | 06 February 2015, 16:18:29 UTC | MIPS: sead3: Corrected get_c0_perfcount_int Commit e9de688dac65 ("irqchip: mips-gic: Support local interrupts") updated several platforms. This is a copy paste error. Signed-off-by: Niklas Cassel <niklass@axis.com> Reviewed-by: Andrew Bresticker <abrestic@chromium.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9245/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 22:53:09 UTC |
8fc5ec7 | Andreas Ruprecht | 12 February 2015, 13:42:52 UTC | MIPS: mm: Remove dead macro definitions In commit c441d4a54c6e ("MIPS: mm: Only build one microassembler that is suitable"), the Makefile at arch/mips/mm was rewritten to only build the "right" microassembler file, depending on whether CONFIG_CPU_MICROMIPS is set or not. In the files, however, there are still preprocessor definitions depending on CONFIG_CPU_MICROMIPS. The #ifdef around them can now never evaluate to true, so let's remove them altogether. This inconsistency was found using the undertaker-checkpatch tool. Signed-off-by: Andreas Ruprecht <rupran@einserver.de> Reviewed-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: Valentin Rothberg <valentinrothberg@gmail.com> Cc: Paul Bolle <pebolle@tiscali.nl> Patchwork: https://patchwork.linux-mips.org/patch/9267/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 22:42:00 UTC |
7bad222 | Linus Torvalds | 20 February 2015, 22:26:51 UTC | Merge tag 'for-linus-3.20-1' of git://git.code.sf.net/p/openipmi/linux-ipmi Pull IPMI driver updates from Corey Minyard: "Some minor fixes and cleanups, nothing big. In for-next for a while and I've done some extensive beating on the driver since I have it working in qemu and can do creatively cruel things to it" * tag 'for-linus-3.20-1' of git://git.code.sf.net/p/openipmi/linux-ipmi: ipmi: Fix a memory ordering issue ipmi: Remove uses of return value of seq_printf ipmi: Use is_visible callback for conditional sysfs entries ipmi: Free ipmi_recv_msg messages from the linked list on close ipmi: avoid gcc warning ipmi: Update timespec usage to timespec64 ipmi: Cleanup DEBUG_TIMING ifdef usage drivers:char:ipmi: Remove unneeded FIXME comment in the file,ipmi_si_intf.c char: ipmi: Remove obsolete cleanup for clientdata ipmi: Remove a FIXME for slab conversion | 20 February 2015, 22:26:51 UTC |
4c971aa | Dmitry Torokhov | 20 February 2015, 19:54:53 UTC | Merge branch 'next' into for-linus Second round of updates for 3.20. | 20 February 2015, 19:54:53 UTC |
147d1da | Roland Dreier | 20 February 2015, 17:04:40 UTC | Merge branches 'core', 'cxgb4', 'iser', 'mlx4', 'mlx5', 'ocrdma', 'odp', 'qib' and 'srp' into for-next | 20 February 2015, 17:04:40 UTC |
da12c1f | Mike Marciniszyn | 16 January 2015, 16:23:31 UTC | IB/qib: Add blank line after declaration Upstream checkpatch now requires this. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com> | 20 February 2015, 17:04:12 UTC |
a46a280 | Mike Marciniszyn | 16 January 2015, 15:52:18 UTC | IB/qib: Fix checkpatch warnings Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com> | 20 February 2015, 17:04:09 UTC |
0d8fb59 | Wolfram Sang | 19 February 2015, 16:22:34 UTC | i2c: ocores: rework clk code to handle NULL cookie For, !HAVE_CLK the clk API returns a NULL cookie. Rework the initialization code to handle that. If clk_get_rate() delivers 0, we use the fallback mechanisms. The patch is pretty easy when ignoring white space issues (git diff -b). Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Tested-by: Max Filippov <jcmvbkbc@gmail.com> | 20 February 2015, 17:01:23 UTC |
64b139f | David Daney | 15 January 2015, 13:11:19 UTC | MIPS: OCTEON: irq: add CIB and other fixes - Use of_irq_init() to initialize interrupt controllers - Get rid of some unlikely() - Add CIB to support SATA and other interrupts - Add support for CIU SUM2 interrupt sources Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Leonid Rosenboim <lrosenboim@caviumnetworks.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Signed-off-by: Peter Swain <peter.swain@cavium.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8947/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:33:40 UTC |
2e3ecab | David Daney | 15 January 2015, 13:11:18 UTC | MIPS: OCTEON: Don't do acknowledge operations for level triggered irqs. The acknowledge bits don't exist for level triggered irqs, so setting them causes the simulator to terminate. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Leonid Rosenboim <lrosenboim@caviumnetworks.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8946/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:33:06 UTC |
ac6d9b3 | Chandrakala Chavva | 15 January 2015, 13:11:17 UTC | MIPS: OCTEON: More OCTEONIII support Read clock rate from the correct CSR. Don't clear COP0_DCACHE for OCTEONIII. Signed-off-by: Chandrakala Chavva <cchavva@caviumnetworks.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8945/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:32:46 UTC |
920cda3 | Chad Reese | 15 January 2015, 13:11:16 UTC | MIPS: OCTEON: Remove setting of processor specific CVMCTL icache bits. CN38XX pass 1 required icache prefetching to be turned off. This chip never reached production and is long dead. Other processor specific icache settings are done by the bootloader. Remove these bits from the kernel. Signed-off-by: Chad Reese <kreese@caviumnetworks.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: David Daney <david.daney@cavium.com> Patchwork: https://patchwork.linux-mips.org/patch/8944/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:32:22 UTC |
726da2f | David Daney | 15 January 2015, 13:11:15 UTC | MIPS: OCTEON: Core-15169 Workaround and general CVMSEG cleanup. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8943/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:31:59 UTC |
debe6a6 | David Daney | 15 January 2015, 13:11:14 UTC | MIPS: OCTEON: Update octeon-model.h code for new SoCs. Add coverage for OCTEON III models. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8942/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:31:43 UTC |
e3d0ead | David Daney | 15 January 2015, 13:11:13 UTC | MIPS: OCTEON: Implement DCache errata workaround for all CN6XXX Make messages refer to all CN6XXX. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8941/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:31:27 UTC |
664f1ae | David Daney | 15 January 2015, 13:11:12 UTC | MIPS: OCTEON: Add little-endian support to asm/octeon/octeon.h Also update union octeon_cvmemctl with new OCTEON II fields. [aleksey.makarov@auriga.com: use __BITFIELD_FIELD] Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8940/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:31:07 UTC |
664d699 | David Daney | 15 January 2015, 13:11:10 UTC | MIPS: OCTEON: Implement the core-16057 workaround Disable ICache prefetch for certian Octeon II processors. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8938/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:30:42 UTC |
69f7cd4 | Aleksey Makarov | 15 January 2015, 13:11:09 UTC | MIPS: OCTEON: Delete unused COP2 saving code Commit 2c952e06e4f5 ("MIPS: Move cop2 save/restore to switch_to()") removes assembler code to store COP2 registers. Commit a36d8225bceb ("MIPS: OCTEON: Enable use of FPU") mistakenly restores it Fixes: a36d8225bceb ("MIPS: OCTEON: Enable use of FPU") Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: David Daney <david.daney@cavium.com> Patchwork: https://patchwork.linux-mips.org/patch/8937/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:30:23 UTC |
2d98cae | Chandrakala Chavva | 15 January 2015, 13:11:08 UTC | MIPS: OCTEON: Use correct instruction to read 64-bit COP0 register Use dmfc0/dmtc0 instructions for reading CvmMemCtl COP0 register, its a 64-bit wide. Signed-off-by: Chandrakala Chavva <cchavva@caviumnetworks.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: David Daney <david.daney@cavium.com> Patchwork: https://patchwork.linux-mips.org/patch/8936/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:29:36 UTC |
6b3a287 | David Daney | 15 January 2015, 13:11:07 UTC | MIPS: OCTEON: Save and restore CP2 SHA3 state Allocate new save space, and then save/restore the registers if OCTEON III. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8935/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:29:08 UTC |
d6e4152 | David Daney | 15 January 2015, 13:11:06 UTC | MIPS: OCTEON: Fix FP context save. It wasn't being saved on task switch. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8934/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:28:51 UTC |
ac655fb | David Daney | 15 January 2015, 13:11:05 UTC | MIPS: OCTEON: Save/Restore wider multiply registers in OCTEON III CPUs The wide multiplier is twice as wide, so we need to save twice as much state. Detect the multiplier type (CPU type) at start up and install model specific handlers. [aleksey.makarov@auriga.com: conflict resolution, support for old compilers] Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Leonid Rosenboim <lrosenboim@caviumnetworks.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8933/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 14:28:29 UTC |
4531fa1 | Lukasz Majewski | 06 February 2015, 13:07:10 UTC | thermal: exynos: fix: Check if data->tmu_read callback is present before read The exynos_tmu_data() function should on entrance test not only for valid data pointer, but also for data->tmu_read one. It is important, since afterwards it is dereferenced to get temperature code. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Tested-by: Abhilash Kesavan <a.kesavan@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> | 20 February 2015, 13:57:02 UTC |
9d6b80f | Markos Chandras | 16 February 2015, 15:13:11 UTC | MIPS: boot: Provide more uImage options Allow more compression algorithms as well as uncompressed uImage.bin to be generated. An uncompressed image might be useful to rule out problems in the decompression code in the bootloader or even speed up the boot process at the expense of a bigger uImage file. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9271/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 13:17:43 UTC |
151f914 | David Daney | 18 December 2014, 10:59:53 UTC | MIPS: Remove unneeded #ifdef __KERNEL__ from asm/processor.h Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8737/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 13:14:52 UTC |
fa75da8 | Lars-Peter Clausen | 11 January 2015, 16:06:56 UTC | MIPS: ip22-gio: Remove legacy suspend/resume support There are currently no gio device drivers that implement suspend/resume and this patch removes the bus specific legacy suspend and resume callbacks. This will allow us to eventually remove struct bus_type legacy suspend and resume support altogether. gio device drivers wanting to implement suspend and resume can use dev PM ops which will work out of the box without further modifications necessary. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8920/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 12:30:55 UTC |
6fb8a16 | Zubair Lutfullah Kakakhel | 12 December 2014, 12:45:39 UTC | mips: pci: Add ifdef around pci_proc_domain Without these, there are multiple definitions of pci_proc_domain() and pci_domain_nr() if linux/pci.h and asm/pci.h are included. Add #ifdefs around them Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Reviewed-by: Markos Chandras <Markos.Chandras@imgtec.com> Cc: Markos.Chandras@imgtec.com Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8670/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 12:16:14 UTC |
69e4e63 | Manuel Lauss | 18 February 2015, 10:01:56 UTC | MIPS: Alchemy: Fix cpu clock calculation The current code uses bits 0-6 of the sys_cpupll register to calculate core clock speed. However this is only valid on Au1300, on all earlier models the hardware only uses bits 0-5 to generate core clock. This fixes clock calculation on the MTX1 (Au1500), where bit 6 of cpupll is set as well, which ultimately lead the code to calculate a bogus cpu core clock and also uart base clock down the line. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Reported-by: John Crispin <blogic@openwrt.org> Tested-by: Bruno Randolf <br1@einfach.org> Cc: stable@vger.kernel.org [v3.17+] Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/9279/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 12:01:42 UTC |
200276e | Manuel Lauss | 29 January 2015, 15:06:44 UTC | MIPS: Alchemy: remove declaration for set_cpuspec set_cpuspec() has been dropped with commit 074cf656700ddd1d2bd7f815f78e785418beb898 ("MIPS: Alchemy: remove cpu_table.") in late 2008. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/9150/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 12:00:45 UTC |
45a848f | Manuel Lauss | 29 January 2015, 15:06:43 UTC | MIPS: Alchemy: preset loops_per_jiffy based on CPU clock This was lost during the rewrite of clock framework support. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/9149/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 12:00:25 UTC |
51f105d | Manuel Lauss | 29 January 2015, 15:06:42 UTC | MIPS: Alchemy: fix Au1000/Au1500 LRCLK calculation The Au1000 and Au1500 calculate the LRCLK a bit differently than newer models: a single bit in MEM_STCFG0 selects if pclk is divided by 4 or 5. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/9148/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 12:00:08 UTC |
a5770df | Steven J. Hill | 19 February 2015, 16:18:52 UTC | MIPS: Add set/clear CP0 macros for PageGrain register Build set and clear macros for the PageGrain register. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9289/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 20 February 2015, 11:55:18 UTC |
23be7fd | Alexandre Courbot | 19 February 2015, 06:29:58 UTC | ARM: 8305/1: DMA: Fix kzalloc flags in __iommu_alloc_buffer() There doesn't seem to be any valid reason to allocate the pages array with the same flags as the buffer itself. Doing so can eventually lead to the following safeguard in mm/slab.c's cache_grow() to be hit: if (unlikely(flags & GFP_SLAB_BUG_MASK)) { pr_emerg("gfp: %un", flags & GFP_SLAB_BUG_MASK); BUG(); } This happens when buffers are allocated with __GFP_DMA32 or __GFP_HIGHMEM. Fix this by allocating the pages array with GFP_KERNEL to follow what is done elsewhere in this file. Using GFP_KERNEL in __iommu_alloc_buffer() is safe because atomic allocations are handled by __iommu_alloc_atomic(). Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 20 February 2015, 11:14:42 UTC |
ce7b9fa | Al Viro | 20 February 2015, 09:58:52 UTC | Merge branch 'overlayfs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into for-next | 20 February 2015, 09:58:52 UTC |
a95104f | David Howells | 27 January 2015, 15:01:18 UTC | Infiniband: Fix potential NULL d_inode dereference Code that does this: if (!(d_unhashed(tmp) && tmp->d_inode)) { ... simple_unlink(parent->d_inode, tmp); } is broken because: !(d_unhashed(tmp) && tmp->d_inode) is equivalent to: !d_unhashed(tmp) || !tmp->d_inode so it is possible to get into simple_unlink() with tmp->d_inode == NULL. simple_unlink(), however, assumes tmp->d_inode cannot be NULL. I think that what was meant is this: !d_unhashed(tmp) && tmp->d_inode and that the logical-not operator or the final close-bracket was misplaced. Signed-off-by: David Howells <dhowells@redhat.com> cc: Bryan O'Sullivan <bos@pathscale.com> cc: Roland Dreier <rolandd@cisco.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 20 February 2015, 09:56:45 UTC |
fed0b58 | Omar Sandoval | 09 February 2015, 05:45:25 UTC | posix_acl: fix reference leaks in posix_acl_create get_acl gets a reference which we must release in the error cases. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Omar Sandoval <osandov@osandov.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 20 February 2015, 09:56:45 UTC |
76bf3f6 | Rasmus Villemoes | 06 February 2015, 15:28:17 UTC | autofs4: Wrong format for printing dentry %pD for struct file*, %pd for struct dentry*. Fixes: a455589f181e ("assorted conversions to %p[dD]") Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 20 February 2015, 09:56:45 UTC |
fcbc32b | Bastien Nocera | 05 February 2015, 13:35:05 UTC | coredump: Fix typo in comment Signed-off-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 20 February 2015, 09:56:44 UTC |
acd88d4 | Kinglong Mee | 04 February 2015, 13:15:59 UTC | fs/aio.c: Remove duplicate function name in pr_debug messages Have defined pr_fmt as below in fs/aio.c, so remove duplicate function name in pr_debug message. #define pr_fmt(fmt) "%s: " fmt, __func__ Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 20 February 2015, 09:56:44 UTC |
112fc89 | David Howells | 27 January 2015, 15:18:39 UTC | configfs: Fix potential NULL d_inode dereference Code that does this: if (!(d_unhashed(dentry) && dentry->d_inode)) { ... simple_unlink(parent->d_inode, dentry); } is broken because: !(d_unhashed(dentry) && dentry->d_inode) is equivalent to: !d_unhashed(dentry) || !dentry->d_inode so it is possible to get into simple_unlink() with dentry->d_inode == NULL. simple_unlink(), however, assumes dentry->d_inode cannot be NULL. I think that what was meant is this: !d_unhashed(dentry) && dentry->d_inode and that the logical-not operator or the final close-bracket was misplaced. Signed-off-by: David Howells <dhowells@redhat.com> cc: Joel Becker <joel.becker@oracle.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 20 February 2015, 09:56:43 UTC |
a457ac2 | Al Viro | 04 February 2015, 21:17:45 UTC | hypfs: switch to read_iter/write_iter Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 20 February 2015, 09:56:28 UTC |
570e1aa | Jiri Kosina | 20 February 2015, 09:18:59 UTC | x86/mm/ASLR: Avoid PAGE_SIZE redefinition for UML subarch Commit f47233c2d34 ("x86/mm/ASLR: Propagate base load address calculation") causes PAGE_SIZE redefinition warnings for UML subarch builds. This is caused by added includes that were leftovers from previous patch versions are are not actually needed (especially page_types.h inlcude in module.c). Drop those stray includes. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Cc: Borislav Petkov <bp@suse.de> Cc: H. Peter Anvin <hpa@linux.intel.com> Cc: Kees Cook <keescook@chromium.org> Link: http://lkml.kernel.org/r/alpine.LNX.2.00.1502201017240.28769@pobox.suse.cz Signed-off-by: Ingo Molnar <mingo@kernel.org> | 20 February 2015, 09:55:32 UTC |
db671a8 | Al Viro | 04 February 2015, 21:02:09 UTC | don't bother with most of the bad_file_ops methods Only ->open() should be there (always failing, of course). We never replace ->f_op of an already opened struct file, so there's no way for any of those methods to be called. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 20 February 2015, 09:03:58 UTC |
ec02ace | Tomeu Vizoso | 06 February 2015, 14:13:01 UTC | clk: Only recalculate the rate if needed We don't really need to recalculate the effective rate of a clock when a per-user clock is removed, if the constraints of the later aren't limiting the requested rate. This was causing problems with clocks that never had a rate set before, as rate_req would be zero. Though this could be considered a bug in the implementation of those clocks, this should be checked somewhere else. Fixes: 1c8e600440c7 ("clk: Add rate constraints to clocks") Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Michael Turquette <mturquette@linaro.org> | 20 February 2015, 03:29:19 UTC |
1d86e29 | Corey Minyard | 19 February 2015, 14:25:49 UTC | ipmi: Fix a memory ordering issue From a locking point of view it is safe to check waiting_msg without a lock, but there is a memory ordering issue that causes it to possibly not be set right when viewed from another processor. We are already claiming a lock right after that, move the check to inside the lock to enforce the memory ordering. Signed-off-by: Corey Minyard <cminyard@mvista.com> | 20 February 2015, 02:58:42 UTC |
d6c5dc1 | Joe Perches | 17 February 2015, 19:10:56 UTC | ipmi: Remove uses of return value of seq_printf The seq_printf like functions will soon be changed to return void. Convert these uses to check seq_has_overflowed instead. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> | 20 February 2015, 02:58:41 UTC |
2d06a0c | Takashi Iwai | 04 February 2015, 14:36:14 UTC | ipmi: Use is_visible callback for conditional sysfs entries Instead of manual calls of device_create_file() and device_remove_file(), implement the condition in is_visible callback for the attribute group and put these entries to the group, too. This simplifies the code and avoids the possible races. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Corey Minyard <cminyard@mvista.com> | 20 February 2015, 02:58:40 UTC |
bdf2829 | Nicholas Krause | 31 January 2015, 05:17:54 UTC | ipmi: Free ipmi_recv_msg messages from the linked list on close This adds a loop through the elements in the linked list, recv_msgs using list_for_entry_safe in order to free messages in this list. In addition we are using the safe version of this marco in order to prevent use after bugs related to deleting the element we are on currently by holding a pointer to the next element after the current one we are on and freeing with the function, ipmi_free_recv_msg internally in this loop. Signed-off-by: Nicholas Krause <xerofoify@gmail.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> | 20 February 2015, 02:58:40 UTC |
191cc41 | Arnd Bergmann | 28 January 2015, 15:00:11 UTC | ipmi: avoid gcc warning A new harmless warning has come up on ARM builds with gcc-4.9: drivers/char/ipmi/ipmi_msghandler.c: In function 'smi_send.isra.11': include/linux/spinlock.h:372:95: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] raw_spin_unlock_irqrestore(&lock->rlock, flags); ^ drivers/char/ipmi/ipmi_msghandler.c:1490:16: note: 'flags' was declared here unsigned long flags; ^ This could be worked around by initializing the 'flags' variable, but it seems better to rework the code to avoid this. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 7ea0ed2b5be81 ("ipmi: Make the message handler easier to use for SMI interfaces") Signed-off-by: Corey Minyard <cminyard@mvista.com> | 20 February 2015, 02:58:18 UTC |