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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
6dbe51c | Linus Torvalds | 03 March 2013, 23:11:05 UTC | Linux 3.9-rc1 | 03 March 2013, 23:11:05 UTC |
ea882c2 | Linus Torvalds | 03 March 2013, 22:24:59 UTC | Merge tag 'disintegrate-fbdev-20121220' of git://git.infradead.org/users/dhowells/linux-headers Pull fbdev UAPI disintegration from David Howells: "You'll be glad to here that the end is nigh for the UAPI patches. Only the fbdev/framebuffer piece remains now that the SCSI stuff has gone in. Here are the UAPI disintegration bits for the fbdev drivers. It appears that Florian hasn't had time to deal with my patch, but back in December he did say he didn't mind if I pushed it forward." Yay. No more uapi movement. And hopefully no more big header file cleanups coming up either, it just tends to be very painful. * tag 'disintegrate-fbdev-20121220' of git://git.infradead.org/users/dhowells/linux-headers: UAPI: (Scripted) Disintegrate include/video | 03 March 2013, 22:24:59 UTC |
8e8b180 | Linus Torvalds | 03 March 2013, 22:22:53 UTC | Merge tag 'stable/for-linus-3.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull Xen bug-fixes from Konrad Rzeszutek Wilk: - Update the Xen ACPI memory and CPU hotplug locking mechanism. - Fix PAT issues wherein various applications would not start - Fix handling of multiple MSI as AHCI now does it. - Fix ARM compile failures. * tag 'stable/for-linus-3.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xenbus: fix compile failure on ARM with Xen enabled xen/pci: We don't do multiple MSI's. xen/pat: Disable PAT using pat_enabled value. xen/acpi: xen cpu hotplug minor updates xen/acpi: xen memory hotplug minor updates | 03 March 2013, 22:22:53 UTC |
56a79b7 | Linus Torvalds | 03 March 2013, 21:23:02 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull more VFS bits from Al Viro: "Unfortunately, it looks like xattr series will have to wait until the next cycle ;-/ This pile contains 9p cleanups and fixes (races in v9fs_fid_add() etc), fixup for nommu breakage in shmem.c, several cleanups and a bit more file_inode() work" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: constify path_get/path_put and fs_struct.c stuff fix nommu breakage in shmem.c cache the value of file_inode() in struct file 9p: if v9fs_fid_lookup() gets to asking server, it'd better have hashed dentry 9p: make sure ->lookup() adds fid to the right dentry 9p: untangle ->lookup() a bit 9p: double iput() in ->lookup() if d_materialise_unique() fails 9p: v9fs_fid_add() can't fail now v9fs: get rid of v9fs_dentry 9p: turn fid->dlist into hlist 9p: don't bother with private lock in ->d_fsdata; dentry->d_lock will do just fine more file_inode() open-coded instances selinux: opened file can't have NULL or negative ->f_path.dentry (In the meantime, the hlist traversal macros have changed, so this required a semantic conflict fixup for the newly hlistified fid->dlist) | 03 March 2013, 21:23:03 UTC |
1c82315 | Linus Torvalds | 03 March 2013, 21:13:20 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixup from Chris Mason: "Geert and James both sent this one in, sorry guys" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs/raid56: Add missing #include <linux/vmalloc.h> | 03 March 2013, 21:13:20 UTC |
530ede1 | Linus Torvalds | 03 March 2013, 20:58:43 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull second set of s390 patches from Martin Schwidefsky: "The main part of this merge are Heikos uaccess patches. Together with commit 09884964335e ("mm: do not grow the stack vma just because of an overrun on preceding vma") the user string access is hopefully fixed for good. In addition some bug fixes and two cleanup patches." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/module: fix compile warning qdio: remove unused parameters s390/uaccess: fix kernel ds access for page table walk s390/uaccess: fix strncpy_from_user string length check input: disable i8042 PC Keyboard controller for s390 s390/dis: Fix invalid array size s390/uaccess: remove pointless access_ok() checks s390/uaccess: fix strncpy_from_user/strnlen_user zero maxlen case s390/uaccess: shorten strncpy_from_user/strnlen_user s390/dasd: fix unresponsive device after all channel paths were lost s390/mm: ignore change bit for vmemmap s390/page table dumper: add support for change-recording override bit | 03 March 2013, 20:58:43 UTC |
6977c6f | Linus Torvalds | 03 March 2013, 20:57:38 UTC | Merge branch 'fixes-for-3.9-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull second round of PARISC updates from Helge Deller: "The most important fix in this branch is the switch of io_setup, io_getevents and io_submit syscalls to use the available compat syscalls when running 32bit userspace on 64bit kernel. Other than that it's mostly removal of compile warnings." * 'fixes-for-3.9-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: fix redefinition of SET_PERSONALITY parisc: do not install modules when installing kernel parisc: fix compile warnings triggered by atomic_sub(sizeof(),v) parisc: check return value of down_interruptible() in hp_sdc_rtc.c parisc: avoid unitialized variable warning in pa_memcpy() parisc: remove unused variable 'compat_val' parisc: switch to compat_functions of io_setup, io_getevents and io_submit parisc: select ARCH_WANT_FRAME_POINTERS | 03 March 2013, 20:57:38 UTC |
8fd5e7a | Linus Torvalds | 03 March 2013, 20:06:09 UTC | Merge tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag Pull new ImgTec Meta architecture from James Hogan: "This adds core architecture support for Imagination's Meta processor cores, followed by some later miscellaneous arch/metag cleanups and fixes which I kept separate to ease review: - Support for basic Meta 1 (ATP) and Meta 2 (HTP) core architecture - A few fixes all over, particularly for symbol prefixes - A few privilege protection fixes - Several cleanups (setup.c includes, split out a lot of metag_ksyms.c) - Fix some missing exports - Convert hugetlb to use vm_unmapped_area() - Copy device tree to non-init memory - Provide dma_get_sgtable()" * tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: (61 commits) metag: Provide dma_get_sgtable() metag: prom.h: remove declaration of metag_dt_memblock_reserve() metag: copy devicetree to non-init memory metag: cleanup metag_ksyms.c includes metag: move mm/init.c exports out of metag_ksyms.c metag: move usercopy.c exports out of metag_ksyms.c metag: move setup.c exports out of metag_ksyms.c metag: move kick.c exports out of metag_ksyms.c metag: move traps.c exports out of metag_ksyms.c metag: move irq enable out of irqflags.h on SMP genksyms: fix metag symbol prefix on crc symbols metag: hugetlb: convert to vm_unmapped_area() metag: export clear_page and copy_page metag: export metag_code_cache_flush_all metag: protect more non-MMU memory regions metag: make TXPRIVEXT bits explicit metag: kernel/setup.c: sort includes perf: Enable building perf tools for Meta metag: add boot time LNKGET/LNKSET check metag: add __init to metag_cache_probe() ... | 03 March 2013, 20:06:09 UTC |
529e5fb | Linus Torvalds | 03 March 2013, 19:54:39 UTC | Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm Pull late ARM updates from Russell King: "Here is the late set of ARM updates for this merge window; in here is: - The ARM parts of the broadcast timer support, core parts merged through tglx's tree. This was left over from the previous merge to allow the dependency on tglx's tree to be resolved. - A fix to the VFP code which shows up on Raspberry Pi's, as well as fixing the fallout from a previous commit in this area. - A number of smaller fixes scattered throughout the ARM tree" * 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: ARM: Fix broken commit 0cc41e4a21d43 corrupting kernel messages ARM: fix scheduling while atomic warning in alignment handling code ARM: VFP: fix emulation of second VFP instruction ARM: 7656/1: uImage: Error out on build of multiplatform without LOADADDR ARM: 7640/1: memory: tegra_ahb_enable_smmu() depends on TEGRA_IOMMU_SMMU ARM: 7654/1: Preserve L_PTE_VALID in pte_modify() ARM: 7653/2: do not scale loops_per_jiffy when using a constant delay clock ARM: 7651/1: remove unused smp_timer_broadcast #define | 03 March 2013, 19:54:39 UTC |
686c094 | Linus Torvalds | 03 March 2013, 18:25:47 UTC | Merge tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc patch from Greg Kroah-Hartman: "Here is one remaining patch for 3.9-rc1. It is for the hyper-v drivers, and had to wait until some other patches went in through the x86 tree." Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> * tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: Drivers: hv: vmbus: Use the new infrastructure for delivering VMBUS interrupts | 03 March 2013, 18:25:47 UTC |
bc2e4a9 | Linus Torvalds | 03 March 2013, 18:24:57 UTC | Merge tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB patch revert from Greg Kroah-Hartman: "Here is one remaining USB patch for 3.9-rc1, it reverts a 3.8 patch that has caused a lot of regressions for some VIA EHCI controllers." * tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: EHCI: revert "remove ASS/PSS polling timeout" | 03 March 2013, 18:24:57 UTC |
68b86a2 | Linus Torvalds | 03 March 2013, 18:23:29 UTC | Merge git://www.linux-watchdog.org/linux-watchdog Pull watchdog updates from Wim Van Sebroeck: "This contains: - fixes and improvements - devicetree bindings - conversion to watchdog generic framework of the following drivers: - booke_wdt - bcm47xx_wdt.c - at91sam9_wdt - Removal of old STMP3xxx driver - Addition of following new drivers: - new driver for STMP3xxx and i.MX23/28 - Retu watchdog driver" * git://www.linux-watchdog.org/linux-watchdog: (30 commits) watchdog: sp805_wdt depends on ARM watchdog: davinci_wdt: update to devm_* API watchdog: davinci_wdt: use devm managed clk get watchdog: at91rm9200: add DT support watchdog: add timeout-sec property binding watchdog: at91sam9_wdt: Convert to use the watchdog framework watchdog: omap_wdt: Add option nowayout watchdog: core: dt: add support for the timeout-sec dt property watchdog: bcm47xx_wdt.c: add hard timer watchdog: bcm47xx_wdt.c: rename wdt_time to timeout watchdog: bcm47xx_wdt.c: rename ops methods watchdog: bcm47xx_wdt.c: use platform device watchdog: bcm47xx_wdt.c: convert to watchdog core api watchdog: Convert BookE watchdog driver to watchdog infrastructure watchdog: s3c2410_wdt: Use devm_* functions watchdog: remove old STMP3xxx driver watchdog: add new driver for STMP3xxx and i.MX23/28 rtc: stmp3xxx: add wdt-accessor function watchdog: introduce retu_wdt driver watchdog: intel_scu_watchdog: fix Kconfig dependency ... | 03 March 2013, 18:23:29 UTC |
527c680 | Linus Torvalds | 03 March 2013, 18:20:22 UTC | Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma Pull second set of slave-dmaengine updates from Vinod Koul: "Arnd's patch moves the dw_dmac to use generic DMA binding. I agreed to merge this late as it will avoid the conflicts between trees. The second patch from Matt adding a dma_request_slave_channel_compat API was supposed to be picked up, but somehow never got picked up. Some patches dependent on this are already in -next :(" * 'next' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: dw_dmac: move to generic DMA binding dmaengine: add dma_request_slave_channel_compat() | 03 March 2013, 18:20:22 UTC |
23caaee | Linus Torvalds | 03 March 2013, 18:16:19 UTC | Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86 Pull x86 platform driver updates from Matthew Garrett: "Mostly relatively small updates, along with some hardware enablement for Sony hardware and a pile of updates to Google's Chromebook driver" * 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (49 commits) ideapad-laptop: Depend on BACKLIGHT_CLASS_DEVICE instead of selecting it ideapad: depends on backlight subsystem and update comment Platform: x86: chromeos_laptop - add i915 gmbuses to adapter names Platform: x86: chromeos_laptop - Add isl light sensor for Pixel Platform: x86: chromeos_laptop - Add a more general add_i2c_device Platform: x86: chromeos_laptop - Add Pixel Touchscreen Platform: x86: chromeos_laptop - Add support for probing devices Platform: x86: chromeos_laptop - Add Pixel Trackpad hp-wmi: fix handling of platform device sony-laptop: leak in error handling sony_nc_lid_resume_setup() hp-wmi: Add support for SMBus hotkeys asus-wmi: Fix unused function build warning acer-wmi: avoid the warning of 'devices' may be used uninitialized drivers/platform/x86/thinkpad_acpi.c: Handle HKEY event 0x6040 Platform: x86: chromeos_laptop - Add HP Pavilion 14 Platform: x86: chromeos_laptop - Add Taos tsl2583 device Platform: x86: chromeos_laptop - Add Taos tsl2563 device Platform: x86: chromeos_laptop - Add Acer C7 trackpad Platform: x86: chromeos_laptop - Rename setup_lumpy_tp to setup_cyapa_smbus_tp asus-laptop: always report brightness key events ... | 03 March 2013, 18:16:19 UTC |
d7011f5 | Geert Uytterhoeven | 03 March 2013, 11:44:41 UTC | btrfs/raid56: Add missing #include <linux/vmalloc.h> tilegx_defconfig: fs/btrfs/raid56.c: In function 'btrfs_alloc_stripe_hash_table': fs/btrfs/raid56.c:206:3: error: implicit declaration of function 'vzalloc' [-Werror=implicit-function-declaration] fs/btrfs/raid56.c:206:9: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/raid56.c:226:4: error: implicit declaration of function 'vfree' [-Werror=implicit-function-declaration] Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Chris Mason <chris.mason@fusionio.com> | 03 March 2013, 11:53:41 UTC |
a7c1120 | Linus Torvalds | 03 March 2013, 03:33:21 UTC | Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 bug fixes from Ted Ts'o: "Various bug fixes for ext4. The most important is a fix for the new extent cache's slab shrinker which can cause significant, user-visible pauses when the system is under memory pressure." * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: enable quotas before orphan cleanup ext4: don't allow quota mount options when quota feature enabled ext4: fix a warning from sparse check for ext4_dir_llseek ext4: convert number of blocks to clusters properly ext4: fix possible memory leak in ext4_remount() jbd2: fix ERR_PTR dereference in jbd2__journal_start ext4: use percpu counter for extent cache count ext4: optimize ext4_es_shrink() | 03 March 2013, 03:33:21 UTC |
6ec40b4 | Linus Torvalds | 03 March 2013, 03:32:06 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull sigprocmask compat fix from Al Viro: "generic compat_sys_rt_sigprocmask() had a very dumb braino; I'd spent quite a while staring at the offending commit before finally managing to spot the idiocy ;-/" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: fix compat_sys_rt_sigprocmask() | 03 March 2013, 03:32:06 UTC |
db61ec2 | Al Viro | 03 March 2013, 01:39:15 UTC | fix compat_sys_rt_sigprocmask() Converting bitmask to 32bit granularity is fine, but we'd better _do_ something with the result. Such as "copy it to userland"... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 03 March 2013, 01:39:15 UTC |
8d05b37 | Linus Torvalds | 03 March 2013, 00:46:07 UTC | Merge tag 'nfs-for-3.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs Pull NFS client bugfixes from Trond Myklebust: "We've just concluded another Connectathon interoperability testing week, and so here are the fixes for the bugs that were discovered: - Don't allow NFS silly-renamed files to be deleted - Don't start the retransmission timer when out of socket space - Fix a couple of pnfs-related Oopses. - Fix one more NFSv4 state recovery deadlock - Don't loop forever when LAYOUTGET returns NFS4ERR_LAYOUTTRYLATER" * tag 'nfs-for-3.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: SUNRPC: One line comment fix NFSv4.1: LAYOUTGET EDELAY loops timeout to the MDS SUNRPC: add call to get configured timeout PNFS: set the default DS timeout to 60 seconds NFSv4: Fix another open/open_recovery deadlock nfs: don't allow nfs_find_actor to match inodes of the wrong type NFSv4.1: Hold reference to layout hdr in layoutget pnfs: fix resend_to_mds for directio SUNRPC: Don't start the retransmission timer when out of socket space NFS: Don't allow NFS silly-renamed files to be deleted, no signal | 03 March 2013, 00:46:07 UTC |
b695188 | Linus Torvalds | 03 March 2013, 00:41:54 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs update from Chris Mason: "The biggest feature in the pull is the new (and still experimental) raid56 code that David Woodhouse started long ago. I'm still working on the parity logging setup that will avoid inconsistent parity after a crash, so this is only for testing right now. But, I'd really like to get it out to a broader audience to hammer out any performance issues or other problems. scrub does not yet correct errors on raid5/6 either. Josef has another pass at fsync performance. The big change here is to combine waiting for metadata with waiting for data, which is a big latency win. It is also step one toward using atomics from the hardware during a commit. Mark Fasheh has a new way to use btrfs send/receive to send only the metadata changes. SUSE is using this to make snapper more efficient at finding changes between snapshosts. Snapshot-aware defrag is also included. Otherwise we have a large number of fixes and cleanups. Eric Sandeen wins the award for removing the most lines, and I'm hoping we steal this idea from XFS over and over again." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (118 commits) btrfs: fixup/remove module.h usage as required Btrfs: delete inline extents when we find them during logging btrfs: try harder to allocate raid56 stripe cache Btrfs: cleanup to make the function btrfs_delalloc_reserve_metadata more logic Btrfs: don't call btrfs_qgroup_free if just btrfs_qgroup_reserve fails Btrfs: remove reduplicate check about root in the function btrfs_clean_quota_tree Btrfs: return ENOMEM rather than use BUG_ON when btrfs_alloc_path fails Btrfs: fix missing deleted items in btrfs_clean_quota_tree btrfs: use only inline_pages from extent buffer Btrfs: fix wrong reserved space when deleting a snapshot/subvolume Btrfs: fix wrong reserved space in qgroup during snap/subv creation Btrfs: remove unnecessary dget_parent/dput when creating the pending snapshot btrfs: remove a printk from scan_one_device Btrfs: fix NULL pointer after aborting a transaction Btrfs: fix memory leak of log roots Btrfs: copy everything if we've created an inline extent btrfs: cleanup for open-coded alignment Btrfs: do not change inode flags in rename Btrfs: use reserved space for creating a snapshot clear chunk_alloc flag on retryable failure ... | 03 March 2013, 00:41:54 UTC |
48476df | Linus Torvalds | 03 March 2013, 00:33:54 UTC | Merge tag 'for-linus-20130301' of git://git.infradead.org/linux-mtd Pull MTD update from David Woodhouse: "Fairly unexciting MTD merge for 3.9: - misc clean-ups in the MTD command-line partitioning parser (cmdlinepart) - add flash locking support for STmicro chips serial flash chips, as well as for CFI command set 2 chips. - new driver for the ELM error correction HW module found in various TI chips, enable the OMAP NAND driver to use the ELM HW error correction - added number of new serial flash IDs - various fixes and improvements in the gpmi NAND driver - bcm47xx NAND driver improvements - make the mtdpart module actually removable" * tag 'for-linus-20130301' of git://git.infradead.org/linux-mtd: (45 commits) mtd: map: BUG() in non handled cases mtd: bcm47xxnflash: use pr_fmt for module prefix in messages mtd: davinci_nand: Use managed resources mtd: mtd_torturetest can cause stack overflows mtd: physmap_of: Convert device allocation to managed devm_kzalloc() mtd: at91: atmel_nand: for PMECC, add code to check the ONFI parameter ECC requirement. mtd: atmel_nand: make pmecc-cap, pmecc-sector-size in dts is optional. mtd: atmel_nand: avoid to report an error when lookup table offset is 0. mtd: bcm47xxsflash: adjust names of bus-specific functions mtd: bcm47xxpart: improve probing of nvram partition mtd: bcm47xxpart: add support for other erase sizes mtd: bcm47xxnflash: register this as normal driver mtd: bcm47xxnflash: fix message mtd: bcm47xxsflash: register this as normal driver mtd: bcm47xxsflash: write number of written bytes mtd: gpmi: add sanity check for the ECC mtd: gpmi: set the Golois Field bit for mx6q's BCH mtd: devices: elm: Removes <xx> literals in elm DT node mtd: gpmi: fix a dereferencing freed memory error mtd: fix the wrong timeo for panic_nand_wait() ... | 03 March 2013, 00:33:54 UTC |
16af43f | Russell King | 03 March 2013, 00:32:50 UTC | Merge branches 'devel-stable', 'fixes' and 'mmci' into for-linus | 03 March 2013, 00:32:50 UTC |
512e4b2 | Trond Myklebust | 02 March 2013, 23:54:11 UTC | SUNRPC: One line comment fix Reported-by: Weston Andros Adamson <dros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> | 02 March 2013, 23:54:11 UTC |
9b2ff35 | Jan Kara | 02 March 2013, 23:22:38 UTC | ext4: enable quotas before orphan cleanup When using quota feature we need to enable quotas before orphan cleanup so that changes happening during it are properly reflected in quota accounting. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> | 02 March 2013, 23:22:38 UTC |
262b466 | Jan Kara | 02 March 2013, 22:57:08 UTC | ext4: don't allow quota mount options when quota feature enabled So far we silently ignored when quota mount options were set while quota feature was enabled. But this can create confusion in userspace when mount options are set but silently ignored and also creates opportunities for bugs when we don't properly test all quota types. Actually ext4_mark_dquot_dirty() forgets to test for quota feature so it was dependent on journaled quota options being set. OTOH ext4_orphan_cleanup() tries to enable journaled quota when quota options are specified which is wrong when quota feature is enabled. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> | 02 March 2013, 22:57:08 UTC |
d4e4395 | Zheng Liu | 02 March 2013, 22:24:05 UTC | ext4: fix a warning from sparse check for ext4_dir_llseek ext4_dir_llseek is only used as a callback function, and no one calls it directly. So make it as a static function in order to remove a warning message from sparse check. Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> | 02 March 2013, 22:24:05 UTC |
810da24 | Lukas Czerner | 02 March 2013, 22:18:58 UTC | ext4: convert number of blocks to clusters properly We're using macro EXT4_B2C() to convert number of blocks to number of clusters for bigalloc file systems. However, we should be using EXT4_NUM_B2C(). Signed-off-by: Lukas Czerner <lczerner@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@vger.kernel.org | 02 March 2013, 22:18:58 UTC |
3e36a16 | Wei Yongjun | 02 March 2013, 22:13:55 UTC | ext4: fix possible memory leak in ext4_remount() 'orig_data' is malloced in ext4_remount() and should be freed before leaving from the error handling cases, otherwise it will cause memory leak. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reviewed-by: Lukas Czerner <lczerner@redhat.com> Cc: stable@vger.kernel.org | 02 March 2013, 22:13:55 UTC |
df05c1b | Dmitry Monakhov | 02 March 2013, 22:08:46 UTC | jbd2: fix ERR_PTR dereference in jbd2__journal_start If start_this_handle() failed handle will be initialized to ERR_PTR() and can not be dereferenced. paging request at fffffffffffffff6 IP: [<ffffffff813c073f>] jbd2__journal_start+0x18f/0x290 PGD 200e067 PUD 200f067 PMD 0 Oops: 0000 [#1] SMP Modules linked in: cpufreq_ondemand acpi_cpufreq freq_table mperf coretemp kvm_intel kvm crc32c_intel ghash_clmulni_intel microcode sg xhci_hcd button sd_mod crc_t10dif aesni_intel ablk_helper cryptd lrw aes_x86_64 xts gf128mul ahci libahci pata_acpi ata_generic dm_mirror dm_region_hash dm_log dm_mod CPU 0 journal commit I/O error Pid: 2694, comm: fio Not tainted 3.8.0-rc3+ #79 /DQ67SW RIP: 0010:[<ffffffff813c073f>] [<ffffffff813c073f>] jbd2__journal_start+0x18f/0x290 RSP: 0018:ffff880233b8ba58 EFLAGS: 00010292 RAX: 00000000ffffffe2 RBX: ffffffffffffffe2 RCX: 0000000000000006 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff82128f48 RBP: ffff880233b8ba98 R08: 0000000000000000 R09: ffff88021440a6e0 Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> | 02 March 2013, 22:08:46 UTC |
c60ac31 | James Hogan | 19 February 2013, 13:25:46 UTC | metag: Provide dma_get_sgtable() metag/allmodconfig: drivers/media/v4l2-core/videobuf2-dma-contig.c: In function 'vb2_dc_get_base_sgt': drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function 'dma_get_sgtable' For architectures using dma_map_ops, dma_get_sgtable() is provided in <asm-generic/dma-mapping-common.h>. Metag does not use dma_map_ops yet, hence it should implement it as an inline stub using dma_common_get_sgtable(). Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> | 02 March 2013, 20:11:17 UTC |
2742c52 | James Hogan | 20 February 2013, 14:19:54 UTC | metag: prom.h: remove declaration of metag_dt_memblock_reserve() Metag doesn't have a metag_dt_memblock_reserve() function so remove the declaration from asm/prom.h. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:17 UTC |
2270e6d | James Hogan | 20 February 2013, 13:59:13 UTC | metag: copy devicetree to non-init memory Make a copy of the device tree blob in non-init memory. It is required when using built-in device tree files that the platform code copies the blob to non-init memory prior to calling unflatten_device_tree(), otherwise the strings that the device tree refer to will get poisoned and potentially reused, breaking later reading of the device tree post-init (such as compatible matching in modules, debugfs, and the procfs interface). Signed-off-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Vineet Gupta <vgupta@synopsys.com> | 02 March 2013, 20:11:17 UTC |
d790050 | James Hogan | 13 February 2013, 13:30:15 UTC | metag: cleanup metag_ksyms.c includes Minimise metag_ksyms.c includes to directly include the <asm/*.h> files that declare a particular symbol, and not include any unnecessary ones. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:16 UTC |
44c2451 | James Hogan | 13 February 2013, 13:19:15 UTC | metag: move mm/init.c exports out of metag_ksyms.c It's less error prone to have function symbols exported immediately after the function rather than in metag_ksyms.c. Move each EXPORT_SYMBOL in metag_ksyms.c for symbols defined in mm/init.c into mm/init.c. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:16 UTC |
9da3ee9 | James Hogan | 13 February 2013, 12:57:10 UTC | metag: move usercopy.c exports out of metag_ksyms.c It's less error prone to have function symbols exported immediately after the function rather than in metag_ksyms.c. Move each EXPORT_SYMBOL in metag_ksyms.c for symbols defined in usercopy.c into usercopy.c Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:15 UTC |
7293dbe | James Hogan | 13 February 2013, 12:55:51 UTC | metag: move setup.c exports out of metag_ksyms.c It's less error prone to have function symbols exported immediately after the function rather than in metag_ksyms.c. Move each EXPORT_SYMBOL in metag_ksyms.c for symbols defined in setup.c into setup.c Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:15 UTC |
aa29ec5 | James Hogan | 13 February 2013, 13:01:55 UTC | metag: move kick.c exports out of metag_ksyms.c It's less error prone to have function symbols exported immediately after the function rather than in metag_ksyms.c. Move each EXPORT_SYMBOL in metag_ksyms.c for symbols defined in kick.c into kick.c Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:15 UTC |
9fb4aa8 | James Hogan | 13 February 2013, 12:19:03 UTC | metag: move traps.c exports out of metag_ksyms.c It's less error prone to have function symbols exported immediately after the function rather than in metag_ksyms.c. Move each EXPORT_SYMBOL in metag_ksyms.c for symbols defined in traps.c into traps.c Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:14 UTC |
fa771d0 | James Hogan | 12 February 2013, 16:04:53 UTC | metag: move irq enable out of irqflags.h on SMP The SMP version of arch_local_irq_enable() uses preempt_disable(), but <asm/irqflags.h> doesn't include <linux/preempt.h> causing the following errors on SMP when pstore/ftrace is enabled (caught by buildbot smp allyesconfig): In file included from include/linux/irqflags.h:15, from fs/pstore/ftrace.c:16: arch/metag/include/asm/irqflags.h: In function 'arch_local_irq_enable': arch/metag/include/asm/irqflags.h:84: error: implicit declaration of function 'preempt_disable' arch/metag/include/asm/irqflags.h:86: error: implicit declaration of function 'preempt_enable_no_resched' However <linux/preempt.h> cannot be easily included from <asm/irqflags.h> as it can cause circular include dependencies in the !SMP case, and potentially in the SMP case in the future. Therefore move the SMP implementation of arch_local_irq_enable() into traps.c and use an inline version of get_trigger_mask() which is also defined in traps.c for SMP. This adds an extra layer of function call / stack push when preempt_disable needs to call other functions, however in the non-preemptive SMP case it should be about as fast, as it was already calling the get_trigger_mask() function which is now used inline. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:14 UTC |
97c3ec6 | James Hogan | 11 February 2013, 15:40:24 UTC | genksyms: fix metag symbol prefix on crc symbols Meta uses symbol prefixes, so add "metag" to the list of architectures to set the mod_prefix to "_" for. This fixes __crc_* symbols to add the extra underscore to match _CRC_SYMBOL macro in <linux/export.h> and so that modpost finds them. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:13 UTC |
f75c28d | James Hogan | 11 February 2013, 17:28:10 UTC | metag: hugetlb: convert to vm_unmapped_area() Convert hugetlb_get_unmapped_area_new_pmd() to use vm_unmapped_area() rather than searching the virtual address space itself. This fixes the following errors in linux-next due to the specified members being removed after other architectures have already been converted: arch/metag/mm/hugetlbpage.c: In function 'hugetlb_get_unmapped_area_new_pmd': arch/metag/mm/hugetlbpage.c:199: error: 'struct mm_struct' has no member named 'cached_hole_size' arch/metag/mm/hugetlbpage.c:200: error: 'struct mm_struct' has no member named 'free_area_cache' arch/metag/mm/hugetlbpage.c:215: error: 'struct mm_struct' has no member named 'cached_hole_size' Signed-off-by: James Hogan <james.hogan@imgtec.com> Acked-by: Michel Lespinasse <walken@google.com> | 02 March 2013, 20:11:13 UTC |
c838e72 | James Hogan | 11 February 2013, 11:47:02 UTC | metag: export clear_page and copy_page Various file systems use clear_page() and copy_page(), so when they're built as modules we get build errors like the following: ERROR: "clear_page" [fs/ntfs/ntfs.ko] undefined! ERROR: "copy_page" [fs/nilfs2/nilfs2.ko] undefined! Therefore export these functions to modules from metag_ksyms.c to fix the errors. This was hit by a randconfig build. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:13 UTC |
f626dc7 | James Hogan | 11 February 2013, 11:43:20 UTC | metag: export metag_code_cache_flush_all Various file systems indirectly use metag_code_cache_flush_all(), so when they're built as modules we get build errors like the following: ERROR: "metag_code_cache_flush_all" [fs/xfs/xfs.ko] undefined! Therefore export this function to modules to fix the errors. This was hit by a randconfig build. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:11:12 UTC |
3d6b7bb | James Hogan | 31 January 2013, 13:42:03 UTC | metag: protect more non-MMU memory regions Rename setup_txprivext() to setup_priv() and add initialisation of some more per-thread privilege protection registers: - TxPRIVSYSR: 0x04400000-0x047fffff 0x05000000-0x07ffffff 0x84000000-0x87ffffff - TxPIOREG: 0x02000000-0x02ffffff 0x04800000-0x048fffff - TxSYREG: 0x04000000-0x04000fff (except write fetch system event) Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:58 UTC |
c787c2d | James Hogan | 31 January 2013, 13:27:35 UTC | metag: make TXPRIVEXT bits explicit Define PRIV_BITS using explicit constants from <asm/metag_regs.h> rather than with a hard coded value. This also adds a couple of missing definitions for the TXPRIVEXT priv bits for protecting writes to TXTIMER and the trace registers. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:58 UTC |
82f0167 | James Hogan | 31 January 2013, 13:38:48 UTC | metag: kernel/setup.c: sort includes Sort includes in kernel/setup.c. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:57 UTC |
1bea5b8 | James Hogan | 31 January 2013, 12:22:37 UTC | perf: Enable building perf tools for Meta Define rmb(), cpu_relax(), and CPUINFO_PROC for Meta so that the perf tools can be built for Meta. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 02 March 2013, 20:09:57 UTC |
883a635 | James Hogan | 31 January 2013, 11:06:03 UTC | metag: add boot time LNKGET/LNKSET check Add boot time check for whether LNKGET/LNKSET go through or around the cache. Depending on the configuration an info message (no harm), warning (technically wrong but no harm), or big WARN (expect failure in either kernel or userland) may be emitted if the behaviour is not as expected: Configuration Hardware Response ------------------------------------------ -------- -------- AROUND_CACHE through pr_info !AROUND_CACHE && ATOMICITY_LNKGET around WARN (kernel) " && !ATOMICITY_LNKGET && SMP around WARN (user) " " && !SMP around pr_warn Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:56 UTC |
0a38a8a | James Hogan | 31 January 2013, 11:04:49 UTC | metag: add __init to metag_cache_probe() metag_cache_probe() is only called from setup_arch(), so add the __init attribute to it. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:56 UTC |
ae85ac7 | James Hogan | 21 September 2012, 16:38:15 UTC | metag: Add JTAG Debug Adapter (DA) support Add basic JTAG Debug Adapter (DA) support so that drivers which communicate with the DA can detect whether one is actually present (otherwise the target will halt indefinitely). This allows the metag_da TTY driver and imgdafs filesystem driver to be built, updates defconfigs, and sets up the metag_da console early if it's configured in. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:56 UTC |
690998b | James Hogan | 17 October 2012, 14:21:13 UTC | scripts/checkstack.pl: Add metag support Adapt checkstack.pl so that it works for metag. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:55 UTC |
00512bd | James Hogan | 05 October 2012, 15:27:31 UTC | metag: ftrace support Add ftrace support for metag. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> | 02 March 2013, 20:09:55 UTC |
903b20a | James Hogan | 05 October 2012, 15:54:55 UTC | metag: Perf Add Perf support for metag. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 02 March 2013, 20:09:54 UTC |
5633004 | James Hogan | 09 October 2012, 09:54:32 UTC | metag: Build infrastructure Add metag build infrastructure. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:54 UTC |
79f83c0 | James Hogan | 05 December 2012, 11:34:13 UTC | Kconfig.debug: add METAG to dependency lists Add [!]METAG to a couple of Kconfig dependencies in lib/Kconfig.debug. Don't allow stack utilization instrumentation on metag, and allow building with frame pointers. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "Paul E. McKenney" <paul.mckenney@linaro.org> Cc: Akinobu Mita <akinobu.mita@gmail.com> Cc: Michel Lespinasse <walken@google.com> Cc: Catalin Marinas <catalin.marinas@arm.com> | 02 March 2013, 20:09:53 UTC |
9ca52ed | James Hogan | 16 October 2012, 09:16:14 UTC | mm: define VM_GROWSUP for CONFIG_METAG Commit cc2383ec06be093789469852e1fe96e1148e9a2c ("mm: introduce arch-specific vma flag VM_ARCH_1") merged in v3.7-rc1. The above commit combined several arch-specific vma flags into one, and in the process it changed the VM_GROWSUP definition to depend on specific architectures rather than CONFIG_STACK_GROWSUP. Therefore add an ifdef for CONFIG_METAG to also set VM_GROWSUP. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Michel Lespinasse <walken@google.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: linux-mm@kvack.org | 02 March 2013, 20:09:53 UTC |
1e57372 | James Hogan | 05 October 2012, 15:22:14 UTC | metag: Various other headers Add the remaining metag header files: - byteorder.h, swab.h (byte order and swapping) - barrier.h, cpu.h. hwthread.h, processor.h (hardware thread related) - bug.h, elf.h, gpio.h, linkage.h, resource.h (other) Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:52 UTC |
e8de348 | James Hogan | 05 October 2012, 16:01:38 UTC | metag: Stack unwinding Add stack unwinding support for metag. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:52 UTC |
086e9dc | James Hogan | 05 October 2012, 16:02:09 UTC | metag: Optimised library functions Add optimised library functions for metag. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:52 UTC |
f507758 | James Hogan | 05 October 2012, 15:27:03 UTC | metag: DMA Add DMA mapping code. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:51 UTC |
42682c6 | James Hogan | 05 October 2012, 15:56:56 UTC | metag: SMP support Add SMP support for metag. This allows Linux to take control of multiple hardware threads on a single Meta core, treating them as separate Linux CPUs. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:51 UTC |
fdabf52 | James Hogan | 09 October 2012, 10:00:27 UTC | metag: Basic documentation Add basic metag documentation. This includes an outline description of the ABIs (including syscall ABI) and calling conventions, similar to the one in Documentation/frv/. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Rob Landley <rob@landley.net> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: linux-doc@vger.kernel.org | 02 March 2013, 20:09:50 UTC |
6006c0d | James Hogan | 09 October 2012, 10:00:24 UTC | metag: Atomics, locks and bitops Add header files to implement Meta hardware thread locks (used by some other atomic operations), atomics, spinlocks, and bitops. There are 2 main types of atomic primitives for metag (in addition to IRQs off on UP): - LOCK instructions provide locking between hardware threads. - LNKGET/LNKSET instructions provide load-linked/store-conditional operations allowing for lighter weight atomics on Meta2 LOCK instructions allow for hardware threads to acquire voluntary or exclusive hardware thread locks: - LOCK0 releases exclusive and voluntary lock from the running hardware thread. - LOCK1 acquires the voluntary hardware lock, blocking until it becomes available. - LOCK2 implies LOCK1, and additionally acquires the exclusive hardware lock, blocking all other hardware threads from executing. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:50 UTC |
9b802d1 | James Hogan | 09 October 2012, 09:55:00 UTC | metag: Module support Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:49 UTC |
44dea39 | James Hogan | 09 October 2012, 09:54:54 UTC | metag: Scheduling/Process management Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:49 UTC |
26025bb | James Hogan | 09 October 2012, 09:54:51 UTC | metag: System Calls Add metag system call and gateway page interfaces. The metag architecture port uses the generic system call numbers from asm-generic/unistd.h, as well as a user gateway page mapped at 0x6ffff000 which contains fast atomic primitives (depending on SMP) and a fast method of accessing TLS data. System calls use the SWITCH instruction with the immediate 0x440001 to signal a system call. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:49 UTC |
5698c50 | James Hogan | 09 October 2012, 09:54:47 UTC | metag: Internal and external irqchips Meta core internal interrupts (from HWSTATMETA and friends) are vectored onto the TR1 core trigger for the current thread. This is demultiplexed in irq-metag.c to individual Linux IRQs for each internal interrupt. External SoC interrupts (from HWSTATEXT and friends) are vectored onto the TR2 core trigger for the current thread. This is demultiplexed in irq-metag-ext.c to individual Linux IRQs for each external SoC interrupt. The external irqchip has devicetree bindings for configuring the number of irq banks and the type of masking available. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Rob Landley <rob@landley.net> Cc: Dom Cobley <popcornmix@gmail.com> Cc: Simon Arlott <simon@fire.lp0.eu> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: devicetree-discuss@lists.ozlabs.org Cc: linux-doc@vger.kernel.org | 02 March 2013, 20:09:48 UTC |
63047ea | James Hogan | 09 October 2012, 09:54:47 UTC | metag: IRQ handling Add core IRQ handling for metag. The code in irq.c exposes the TBX signal numbers as Linux IRQs. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:48 UTC |
ac919f0 | James Hogan | 09 October 2012, 09:54:43 UTC | metag: Traps Add trap code for metag. At the lowest level Meta traps (and return from interrupt instruction - RTI) simply swap the PC and PCX registers and optionally toggle the interrupt status bit (ISTAT). Low level TBX code in tbipcx.S handles the core context save, determine the TBX signal number based on the core trigger that fired (using the TXSTATI status register), and call TBX signal handlers (mostly in traps.c) via a vector table. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Al Viro <viro@zeniv.linux.org.uk> | 02 March 2013, 20:09:45 UTC |
a2c5d4e | James Hogan | 09 October 2012, 09:54:39 UTC | metag: Time keeping Add time keeping code for metag. Meta hardware threads have 2 timers. The background timer (TXTIMER) is used as a free-running time base, and the interrupt timer (TXTIMERI) is used for the timer interrupt. Both counters traditionally count at approximately 1MHz. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: John Stultz <johnstul@us.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> | 02 March 2013, 20:09:22 UTC |
bc3966b | James Hogan | 09 October 2012, 09:54:36 UTC | metag: ptrace The ptrace interface for metag provides access to some core register sets using the PTRACE_GETREGSET and PTRACE_SETREGSET operations. The details of the internal context structures is abstracted into user API structures to both ease use and allow flexibility to change the internal context layouts. Copyin and copyout functions for these register sets are exposed to allow signal handling code to use them to copy to and from the signal context. struct user_gp_regs (NT_PRSTATUS) provides access to the core general purpose register context. struct user_cb_regs (NT_METAG_CBUF) provides access to the TXCATCH* registers which contains information abuot a memory fault, unaligned access error or watchpoint. This can be modified to alter the way the fault is replayed on resume ("catch replay"), or to prevent the replay taking place. struct user_rp_state (NT_METAG_RPIPE) provides access to the state of the Meta read pipeline which can be used to hide memory latencies in hand optimised data loops. Extended DSP register state, DSP RAM, and hardware breakpoint registers aren't yet exposed through ptrace. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Denys Vlasenko <vda.linux@googlemail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Tony Lindgren <tony@atomide.com> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> | 02 March 2013, 20:09:22 UTC |
29dd78c | James Hogan | 05 October 2012, 15:02:12 UTC | metag: Device tree Add device tree files to arch/metag. Signed-off-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Vineet Gupta <vgupta@synopsys.com> | 02 March 2013, 20:09:22 UTC |
262d96b | James Hogan | 09 October 2012, 09:54:27 UTC | metag: Signal handling Add signal handling code for metag. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Al Viro <viro@zeniv.linux.org.uk> | 02 March 2013, 20:09:21 UTC |
c438b58 | James Hogan | 09 October 2012, 09:54:17 UTC | metag: TCM support Add some TCM support Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:21 UTC |
bbc1770 | James Hogan | 09 October 2012, 09:54:17 UTC | metag: Highmem support Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:20 UTC |
e624e95 | James Hogan | 09 October 2012, 09:54:17 UTC | metag: Huge TLB Add huge TLB support to the metag architecture. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:20 UTC |
373cd78 | James Hogan | 09 October 2012, 09:54:17 UTC | metag: Memory handling Meta has instructions for accessing: - bytes - GETB (1 byte) - words - GETW (2 bytes) - doublewords - GETD (4 bytes) - longwords - GETL (8 bytes) All accesses must be aligned. Unaligned accesses can be detected and made to fault on Meta2, however it isn't possible to fix up unaligned writes so we don't bother fixing up reads either. This patch adds metag memory handling code including: - I/O memory (io.h, ioremap.c): Actually any virtual memory can be accessed with these helpers. A part of the non-MMUable address space is used for memory mapped I/O. The ioremap() function is implemented one to one for non-MMUable addresses. - User memory (uaccess.h, usercopy.c): User memory is directly accessible from privileged code. - Kernel memory (maccess.c): probe_kernel_write() needs to be overwridden to use the I/O functions when doing a simple aligned write to non-writecombined memory, otherwise the write may be split by the generic version. Note that due to the fact that a portion of the virtual address space is non-MMUable, and therefore always maps directly to the physical address space, metag specific I/O functions are made available (metag_in32, metag_out32 etc). These cast the address argument to a pointer so that they can be used with raw physical addresses. These accessors are only to be used for accessing fixed core Meta architecture registers in the non-MMU region, and not for any SoC/peripheral registers. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:19 UTC |
f5df8e2 | James Hogan | 09 October 2012, 09:54:17 UTC | metag: Memory management Add memory management files for metag. Meta's 32bit virtual address space is split into two halves: - local (0x08000000-0x7fffffff): traditionally local to a hardware thread and incoherent between hardware threads. Each hardware thread has it's own local MMU table. On Meta2 the local space can be globally coherent (GCOn) if the cache partitions coincide. - global (0x88000000-0xffff0000): coherent and traditionally global between hardware threads. On Meta2, each hardware thread has it's own global MMU table. The low 128MiB of each half is non-MMUable and maps directly to the physical address space: - 0x00010000-0x07ffffff: contains Meta core registers and maps SoC bus - 0x80000000-0x87ffffff: contains low latency global core memories Linux usually further splits the local virtual address space like this: - 0x08000000-0x3fffffff: user mappings - 0x40000000-0x7fffffff: kernel mappings Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:19 UTC |
99ef7c2 | James Hogan | 09 October 2012, 09:54:17 UTC | metag: Cache/TLB handling Add cache and TLB handling code for metag, including the required callbacks used by MM switches and DMA operations. Caches can be partitioned between the hardware threads and the global space, however this is usually configured by the bootloader so Linux doesn't make any changes to this configuration. TLBs aren't configurable, so only need consideration to flush them. On Meta1 the L1 cache was VIVT which required a full flush on MM switch. Meta2 has a VIPT L1 cache so it doesn't require the full flush on MM switch. Meta2 can also have a writeback L2 with hardware prefetch which requires some special handling. Support is optional, and the L2 can be detected and initialised by Linux. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:19 UTC |
027f891 | James Hogan | 21 September 2012, 16:40:06 UTC | metag: TBX source Add source files from the Thread Binary Interface (TBI) library which provides useful low level operations and traps/context management. Among other things it handles interrupt/exception/syscall entry (in tbipcx.S). Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:18 UTC |
4ca151b | James Hogan | 05 December 2012, 11:26:10 UTC | metag: TBX header Add the main header for the Thread Binary Interface (TBI) library which provides useful low level operations and trap/context management. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:18 UTC |
85d9d7a | James Hogan | 21 September 2012, 16:38:15 UTC | metag: Boot Add boot code for metag. Due to the multi-threaded nature of Meta it is not uncommon for an RTOS or bare metal application to be started on other hardware threads by the bootloader. Since there is a single MMU switch which affects all threads, the MMU is traditionally configured by the bootloader prior to starting Linux. The bootloader passes a structure to Linux which among other things contains information about memory regions which have been mapped. Linux then assumes control of the local heap memory region. A kernel arguments string pointer or a flattened device tree pointer can be provided in the third argument. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:17 UTC |
87aa132 | James Hogan | 05 December 2012, 11:05:40 UTC | metag: Header for core memory mapped registers Add the header <asm/metag_mem.h> describing addresses, fields, and bits of various core memory mapped registers in the low non-MMU region. Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:17 UTC |
af8a104 | James Hogan | 05 December 2012, 11:03:52 UTC | metag: Headers for core arch constants Add a couple of header files containing core architecture constants. The first (<asm/metag_isa.h>) contains some constants relating to the instruction set, such as values to give to the CACHEW and CACHER instructions. The second (<asm/metag_regs.h>) contains constants for the core register units directly accessible to various instructions, and for the registers, fields, and bits in those units. The main units described are the control unit (CT.*), the trigger unit (TR.*), and the run-time trace unit (TT.*). Signed-off-by: James Hogan <james.hogan@imgtec.com> | 02 March 2013, 20:09:16 UTC |
1228594 | James Hogan | 10 October 2012, 11:59:49 UTC | metag: Add MAINTAINERS entry Add MAINTAINERS entry for the metag architecture port. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Cesar Eduardo Barros <cesarb@cesarb.net> Cc: Joe Perches <joe@perches.com> Cc: "David S. Miller" <davem@davemloft.net> | 02 March 2013, 20:09:16 UTC |
649508f | James Hogan | 30 May 2012, 11:11:19 UTC | trace/ring_buffer: handle 64bit aligned structs Some 32 bit architectures require 64 bit values to be aligned (for example Meta which has 64 bit read/write instructions). These require 8 byte alignment of event data too, so use !CONFIG_HAVE_64BIT_ALIGNED_ACCESS instead of !CONFIG_64BIT || CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS to decide alignment, and align buffer_data_page::data accordingly. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> (previous version subtly different) | 02 March 2013, 20:09:16 UTC |
c19fa94 | James Hogan | 30 May 2012, 10:23:23 UTC | Add HAVE_64BIT_ALIGNED_ACCESS On 64 bit architectures with no efficient unaligned access, padding and explicit alignment must be added in various places to prevent unaligned 64bit accesses (such as taskstats and trace ring buffer). However this also needs to apply to 32 bit architectures with 64 bit accesses requiring alignment such as metag. This is solved by adding a new Kconfig symbol HAVE_64BIT_ALIGNED_ACCESS which defaults to 64BIT && !HAVE_EFFICIENT_UNALIGNED_ACCESS, and can be explicitly selected by METAG and any other relevant architectures. This can be used in various places to determine whether 64bit alignment is required. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Eric Paris <eparis@redhat.com> Cc: Will Drewry <wad@chromium.org> | 02 March 2013, 20:09:15 UTC |
c07380b | James Hogan | 09 May 2011, 09:58:40 UTC | Revert some of "binfmt_elf: cleanups" The commit "binfmt_elf: cleanups" (f670d0ecda73b7438eec9ed108680bc5f5362ad8) removed an ifndef elf_map but this breaks compilation for metag which does define elf_map. This adds the ifndef back in as it was before, but does not affect the other cleanups made by that patch. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: linux-fsdevel@vger.kernel.org Acked-by: Mikael Pettersson <mikpe@it.uu.se> | 02 March 2013, 20:09:15 UTC |
4dd3c95 | James Hogan | 24 February 2012, 13:47:48 UTC | asm-generic/unistd.h: handle symbol prefixes in cond_syscall Some architectures have symbol prefixes and set CONFIG_SYMBOL_PREFIX, but this wasn't taken into account by the generic cond_syscall. It's easy enough to fix in a generic fashion, so add the symbol prefix to symbol names in cond_syscall when CONFIG_SYMBOL_PREFIX is set. Signed-off-by: James Hogan <james.hogan@imgtec.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Mike Frysinger <vapier@gentoo.org> | 02 March 2013, 20:09:14 UTC |
c93d031 | James Hogan | 23 November 2012, 16:13:05 UTC | asm-generic/io.h: check CONFIG_VIRT_TO_BUS Make asm-generic/io.h check CONFIG_VIRT_TO_BUS before defining virt_to_bus() and bus_to_virt(), otherwise it's easy to accidentally have a silently failing incorrect direct mapped definition rather then no definition at all. Signed-off-by: James Hogan <james.hogan@imgtec.com> Acked-by: Arnd Bergmann <arnd@arndb.de> | 02 March 2013, 20:09:14 UTC |
37cae6a | Linus Torvalds | 02 March 2013, 19:44:27 UTC | Merge tag 'dm-3.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm Pull device-mapper update from Alasdair G Kergon: "The main addition here is a long-desired target framework to allow an SSD to be used as a cache in front of a slower device. Cache tuning is delegated to interchangeable policy modules so these can be developed independently of the mechanics needed to shuffle the data around. Other than that, kcopyd users acquire a throttling parameter, ioctl buffer usage gets streamlined, more mempool reliance is reduced and there are a few other bug fixes and tidy-ups." * tag 'dm-3.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm: (30 commits) dm cache: add cleaner policy dm cache: add mq policy dm: add cache target dm persistent data: add bitset dm persistent data: add transactional array dm thin: remove cells from stack dm bio prison: pass cell memory in dm persistent data: add btree_walk dm: add target num_write_bios fn dm kcopyd: introduce configurable throttling dm ioctl: allow message to return data dm ioctl: optimize functions without variable params dm ioctl: introduce ioctl_flags dm: merge io_pool and tio_pool dm: remove unused _rq_bio_info_cache dm: fix limits initialization when there are no data devices dm snapshot: add missing module aliases dm persistent data: set some btree fn parms const dm: refactor bio cloning dm: rename bio cloning functions ... | 02 March 2013, 19:44:27 UTC |
9862489 | Linus Torvalds | 02 March 2013, 19:43:27 UTC | Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target patches from Nicholas Bellinger: "Here are the remaining target-pending patches for v3.9-rc1. The most important one here is the immediate queue starvation regression fix for iscsi-target, which addresses a bug that's effecting v3.5+ kernels under heavy sustained READ only workloads. Thanks alot to Benjamin Estrabaud for helping to track this down! Also included is a pSCSI exception bugfix from Asias, along with a handful of other minor changes. Both bugfixes are CC'ed to stable." * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: target/pscsi: Rename sg_num to nr_vecs in pscsi_get_bio() target/pscsi: Fix page increment target/pscsi: Drop unnecessary NULL assignment to bio->bi_next target: Add __exit annotation for module_exit functions iscsi-target: Fix immediate queue starvation regression with DATAIN | 02 March 2013, 19:43:27 UTC |
426d266 | Linus Torvalds | 02 March 2013, 19:42:16 UTC | Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This is an assorted set of stragglers into the merge window with driver updates for qla2xxx, megaraid_sas, storvsc and ufs. It also includes pulls of the uapi tree (all the remaining SCSI pieces) and the fcoe tree (updates to fcoe and libfc)" * tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (81 commits) [SCSI] ufs: Separate PCI code into glue driver [SCSI] ufs: Segregate PCI Specific Code [SCSI] scsi: fix lpfc build when wmb() is defined as mb() [SCSI] storvsc: Handle dynamic resizing of the device [SCSI] storvsc: Restructure error handling code on command completion [SCSI] storvsc: avoid usage of WRITE_SAME [SCSI] aacraid: suppress two GCC warnings [SCSI] hpsa: check for dma_mapping_error in hpsa_passthru ioctls [SCSI] hpsa: reorganize error handling in hpsa_passthru_ioctl [SCSI] hpsa: check for dma_mapping_error in hpsa_map_sg_chain_block [SCSI] hpsa: Check for dma_mapping_error for all code paths using fill_cmd [SCSI] hpsa: Check for dma_mapping_error in hpsa_map_one [SCSI] dc395x: uninitialized variable in device_alloc() [SCSI] Fix range check in scsi_host_dif_capable() [SCSI] storvsc: Initialize the sglist [SCSI] mpt2sas: Add support for OEM specific controller [SCSI] ipr: Fix oops while resetting an ipr adapter [SCSI] fnic: Fnic Trace Utility [SCSI] fnic: New debug flags and debug log messages [SCSI] fnic: fnic driver may hit BUG_ON on device reset ... | 02 March 2013, 19:42:16 UTC |
cf8e18e | Helge Deller | 02 March 2013, 19:15:28 UTC | parisc: fix redefinition of SET_PERSONALITY commit e72837e3e7bae3f182c4ac63c9424e86f1158dd0 introduced a default SET_PERSONALITY() in include/linux/elf.h. This breaks with our own SET_PERSONALITY define for 32bit userspace on 64bit kernel. Signed-off-by: Helge Deller <deller@gmx.de> | 02 March 2013, 19:15:28 UTC |
1905b77 | Rolf Eike Beer | 01 March 2013, 22:23:11 UTC | parisc: do not install modules when installing kernel PA-RISC is the only arch that installs the modules when installing the kernel. Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Helge Deller <deller@gmx.de> | 02 March 2013, 19:04:21 UTC |
8527ed4 | Helge Deller | 02 March 2013, 19:01:05 UTC | parisc: fix compile warnings triggered by atomic_sub(sizeof(),v) This fixes compile warnings like this one: net/ipv4/igmp.c: In function ‘ip_mc_leave_group’: net/ipv4/igmp.c:1898:3: warning: overflow in implicit constant conversion [-Woverflow] atomic_sub() is defined as __atomic_add_return(-(VAL),(v)))) and if VAL is of type unsigned int (as returned by sizeof()), negating this value will overflow. Fix this by type-casting VAL to int type. Signed-off-by: Helge Deller <deller@gmx.de> | 02 March 2013, 19:01:05 UTC |
15fb968 | Helge Deller | 27 February 2013, 21:46:56 UTC | parisc: check return value of down_interruptible() in hp_sdc_rtc.c additionally comment out unused code (which may be used later) Signed-off-by: Helge Deller <deller@gmx.de> | 02 March 2013, 18:56:36 UTC |
d8d0524 | Helge Deller | 26 February 2013, 23:06:48 UTC | parisc: avoid unitialized variable warning in pa_memcpy() Avoid this warning, while still prevent gcc from optimizing away the exception code: arch/parisc/lib/memcpy.c: In function ‘pa_memcpy’: arch/parisc/lib/memcpy.c:256:2: warning: ‘dummy’ may be used uninitialized in this function [-Wuninitialized] Signed-off-by: Helge Deller <deller@gmx.de> | 02 March 2013, 18:56:27 UTC |
850df98 | Helge Deller | 26 February 2013, 23:02:31 UTC | parisc: remove unused variable 'compat_val' clean up after commit 6e26aab98ce8a818fb1ec47f8f727a8480a9011b (switch to generic sigaltstack) Signed-off-by: Helge Deller <deller@gmx.de> | 02 March 2013, 18:56:18 UTC |
48139f8 | Helge Deller | 26 February 2013, 23:32:10 UTC | parisc: switch to compat_functions of io_setup, io_getevents and io_submit Signed-off-by: Helge Deller <deller@gmx.de> | 02 March 2013, 18:56:08 UTC |