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05dda97 Linus Torvalds 26 March 2008, 01:38:14 UTC Linux 2.6.25-rc7 26 March 2008, 01:38:14 UTC
b97d480 Bjorn Helgaas 25 March 2008, 17:21:11 UTC ACPI: fix Medion _PRT quirk (use "ISA_", not "ISA") This fixes the builtin RTL8139 NIC on the Medion MD9580-F laptop. The BIOS reports the interrupt routing incorrectly. I recently added a quirk to work around this, and this patch fixes a typo in the quirk. We pad every ACPI pathname component to four characters, so ".ISA." will never match anything. We need ".ISA_." instead. Thank you Johann-Nikolaus Andreae <johann-nikolaus.andreae@nacs.de> for patiently testing this patch. See http://bugzilla.kernel.org/show_bug.cgi?id=4773 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 22:21:30 UTC
5004de1 Linus Torvalds 25 March 2008, 16:06:44 UTC Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6 * 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c: Fix docbook problem ASoC/TLV320AIC3X: Stop I2C driver ID abuse i2c-omap: Fix unhandled fault i2c-bfin-twi: Disable BF54x support for now 25 March 2008, 16:06:44 UTC
e584152 Linus Torvalds 25 March 2008, 16:06:19 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: KVM: MMU: Fix memory leak on guest demand faults KVM: VMX: convert init_rmode_tss() to slots_lock KVM: MMU: handle page removal with shadow mapping KVM: MMU: Fix is_rmap_pte() with io ptes KVM: VMX: Restore tss even on x86_64 25 March 2008, 16:06:19 UTC
7ed7fe5 Linus Torvalds 25 March 2008, 15:57:47 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: [PATCH] get stack footprint of pathname resolution back to relative sanity [PATCH] double iput() on failure exit in hugetlb [PATCH] double dput() on failure exit in tiny-shmem [PATCH] fix up new filp allocators [PATCH] check for null vfsmount in dentry_open() [PATCH] reiserfs: eliminate private use of struct file in xattr [PATCH] sanitize hppfs hppfs pass vfsmount to dentry_open() [PATCH] restore export of do_kern_mount() 25 March 2008, 15:57:47 UTC
e48bb49 Avi Kivity 23 March 2008, 12:21:08 UTC KVM: MMU: Fix memory leak on guest demand faults While backporting 72dc67a69690288538142df73a7e3ac66fea68dc, a gfn_to_page() call was duplicated instead of moved (due to an unrelated patch not being present in mainline). This caused a page reference leak, resulting in a fairly massive memory leak. Fix by removing the extraneous gfn_to_page() call. Signed-off-by: Avi Kivity <avi@qumranet.com> 25 March 2008, 08:22:17 UTC
707a18a Marcelo Tosatti 18 March 2008, 20:42:34 UTC KVM: VMX: convert init_rmode_tss() to slots_lock init_rmode_tss was forgotten during the conversion from mmap_sem to slots_lock. INFO: task qemu-system-x86:3748 blocked for more than 120 seconds. Call Trace: [<ffffffff8053d100>] __down_read+0x86/0x9e [<ffffffff8053fb43>] do_page_fault+0x346/0x78e [<ffffffff8053d235>] trace_hardirqs_on_thunk+0x35/0x3a [<ffffffff8053dcad>] error_exit+0x0/0xa9 [<ffffffff8035a7a7>] copy_user_generic_string+0x17/0x40 [<ffffffff88099a8a>] :kvm:kvm_write_guest_page+0x3e/0x5f [<ffffffff880b661a>] :kvm_intel:init_rmode_tss+0xa7/0xf9 [<ffffffff880b7d7e>] :kvm_intel:vmx_vcpu_reset+0x10/0x38a [<ffffffff8809b9a5>] :kvm:kvm_arch_vcpu_setup+0x20/0x53 [<ffffffff8809a1e4>] :kvm:kvm_vm_ioctl+0xad/0x1cf [<ffffffff80249dea>] __lock_acquire+0x4f7/0xc28 [<ffffffff8028fad9>] vfs_ioctl+0x21/0x6b [<ffffffff8028fd75>] do_vfs_ioctl+0x252/0x26b [<ffffffff8028fdca>] sys_ioctl+0x3c/0x5e [<ffffffff8020b01b>] system_call_after_swapgs+0x7b/0x80 Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com> 25 March 2008, 08:22:17 UTC
15aaa81 Marcelo Tosatti 17 March 2008, 13:08:18 UTC KVM: MMU: handle page removal with shadow mapping Do not assume that a shadow mapping will always point to the same host frame number. Fixes crash with madvise(MADV_DONTNEED). [avi: move after first printk(), add another printk()] Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com> 25 March 2008, 08:22:17 UTC
4b1a80f Avi Kivity 23 March 2008, 10:18:19 UTC KVM: MMU: Fix is_rmap_pte() with io ptes is_rmap_pte() doesn't take into account io ptes, which have the avail bit set. Signed-off-by: Avi Kivity <avi@qumranet.com> 25 March 2008, 08:22:16 UTC
5dc8326 Avi Kivity 16 March 2008, 16:48:26 UTC KVM: VMX: Restore tss even on x86_64 The vmx hardware state restore restores the tss selector and base address, but not its length. Usually, this does not matter since most of the tss contents is within the default length of 0x67. However, if a process is using ioperm() to grant itself I/O port permissions, an additional bitmap within the tss, but outside the default length is consulted. The effect is that the process will receive a SIGSEGV instead of transparently accessing the port. Fix by restoring the tss length. Note that i386 had this working already. Closes bugzilla 10246. Signed-off-by: Avi Kivity <avi@qumranet.com> 25 March 2008, 08:22:16 UTC
a4083c9 Linus Torvalds 25 March 2008, 06:24:16 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: Fix cut-and-paste error in rtl8150.c USB: ehci: stop vt6212 bus hogging USB: sierra: add another device id USB: sierra: dma fixes USB: add support for Motorola ROKR Z6 cellphone in mass storage mode USB: isd200: fix memory leak in isd200_get_inquiry_data USB: pl2303: another product ID USB: new quirk flag to avoid Set-Interface USB: fix gadgetfs class request delegation 25 March 2008, 06:24:16 UTC
4742dc1 Linus Torvalds 25 March 2008, 06:23:39 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: driver core: debug for bad dev_attr_show() return value. UIO: add pgprot_noncached() to UIO mmap code 25 March 2008, 06:23:39 UTC
49741c4 Andrew Morton 17 March 2008, 21:21:18 UTC PCI: revert "pcie: utilize pcie transaction pending bit" Revert as it is reported to cause problems for people. commit 4348a2dc49f9baecd34a9b0904245488c6189398 Author: Shaohua Li <shaohua.li@intel.com> Date: Wed Oct 24 10:45:08 2007 +0800 pcie: utilize pcie transaction pending bit PCIE has a mechanism to wait for Non-Posted request to complete. I think pci_disable_device is a good place to do this. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Due to the regression reported at http://bugzilla.kernel.org/show_bug.cgi?id=10065 Cc: Shaohua Li <shaohua.li@intel.com> Cc: Soeren Sonnenburg <kernel@nn7.de> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:38:44 UTC
8a443df Mark Gross 04 March 2008, 22:59:31 UTC PCI: iova: lockdep false alarm fix lockdep goes off on the iova copy_reserved_iova() because it and a function it calls grabs locks in the from, and the to of the copy operation. The function grab locks of the same lock classes triggering the warning. The first lock grabbed is for the constant reserved areas that is never accessed after early boot. Technically you could do without grabbing the locks for the "from" structure its copying reserved areas from. But dropping the from locks to me looks wrong, even though it would be ok. The affected code only runs in early boot as its setting up the DMAR engines. This patch gives the reserved_ioval_list locks special lockdep classes. Signed-off-by: Mark Gross <mgross@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:38:44 UTC
815d2d5 Andrew Morton 04 March 2008, 23:09:07 UTC driver core: debug for bad dev_attr_show() return value. Try to find the culprit who caused http://bugzilla.kernel.org/show_bug.cgi?id=10150 Cc: <balajirrao@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:33:49 UTC
c9698d6 Jean-Samuel Chenard 14 March 2008, 10:28:36 UTC UIO: add pgprot_noncached() to UIO mmap code Mapping of physical memory in UIO needs pgprot_noncached() to ensure that IO memory is not cached. Without pgprot_noncached(), it (accidentally) works on x86 and arm, but fails on PPC. Signed-off-by: Jean-Samuel Chenard <jsamch@gmail.com> Signed-off-by: Hans J Koch <hjk@linutronix.de> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:33:49 UTC
7fdba2f Robert P. J. Day 10 March 2008, 00:44:52 UTC USB: Fix cut-and-paste error in rtl8150.c Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:26:15 UTC
055b93c Rene Herman 20 March 2008, 07:58:16 UTC USB: ehci: stop vt6212 bus hogging The VIA VT6212 defaults to only waiting 1us between passes over EHCI's async ring, which hammers PCI badly ... and by preventing other devices from accessing the bus, causes problems like drops in IDE throughput, a problem that's been bugging users of those chips for several years. A (partial) datasheet for this chip eventually turned up, letting us see how to make it use a VIA-specific register to switch over to the the normal 10us value instead, as suggested by the EHCI specification Solution noted by Lev A. Melnikovsky. It's not clear whether this register exists on other VIA chips; we know that it's ineffective on the vt8235. So this patch only applies to chips that seem to be incarnations of the (discrete) vt6212. Signed-off-by: Rene Herman <rene.herman@gmail.com> Tested-by: Lev A. Melnikovsky <melnikovsky@mail.ru> Tested-by: Alessandro Suardi <alessandro.suardi@gmail.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:26:15 UTC
7f170a6 Kevin Lloyd 14 March 2008, 07:53:24 UTC USB: sierra: add another device id Add support for the MC8775 device to the sierra driver. Signed-off-by: Kevin Lloyd <klloyd@sierrawireless.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:26:15 UTC
4f4f9c5 Oliver Neukum 14 March 2008, 07:53:24 UTC USB: sierra: dma fixes while I was adding autosuspend to that driver I noticed a few issues. You were having DMAed buffers as a part of a structure. This will fail on platforms that are not DMA-coherent (arm, sparc, ppc, ...) Please test this patch to fix it. Signed-off-by: Kevin Lloyd <klloyd@sierrawireless.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:26:15 UTC
cc36bdd Constantin Baranov 16 March 2008, 20:04:23 UTC USB: add support for Motorola ROKR Z6 cellphone in mass storage mode Motorola ROKR Z6 cellphone has bugs in its USB, so it is impossible to use it as mass storage. Patch describes new "unusual" USB device for it with FIX_INQUIRY and FIX_CAPACITY flags and new BULK_IGNORE_TAG flag. Last flag relaxes check for equality of bcs->Tag and us->tag in usb_stor_Bulk_transport routine. Signed-off-by: Constantin Baranov <const@tltsu.ru> Signed-off-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Daniel Drake <dsd@gentoo.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:26:14 UTC
ba2ef3b Boaz Harrosh 17 March 2008, 21:21:01 UTC USB: isd200: fix memory leak in isd200_get_inquiry_data If the inquiry fails then the info structure on us->extra was not freed. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:26:14 UTC
b483b6a Max Arnold 20 March 2008, 09:43:56 UTC USB: pl2303: another product ID Device like this http://aldiga.com/english/A-100-USB-EDGE10.htm contains Prolific 2303 chip. Actually their site a bit outdated - I have AlDiga AL-11U GSM/GPRS/EDGE modem and it works with pl2303 module after adding corresponding product ID. By default modem uses baud rate 460800. GSM chipset - SIMCom SIM600, quad band 850/900/1800/1900 MHz Device info: T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=067b ProdID=0611 Rev= 0.00 C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=pl2303 E: Ad=81(I) Atr=03(Int.) MxPS= 10 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms From: Max Arnold <lwarxx@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:26:14 UTC
392e1d9 Alan Stern 11 March 2008, 14:20:12 UTC USB: new quirk flag to avoid Set-Interface This patch (as1057) fixes a problem with the X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter; the device crashes when it receives a Set-Interface request. A new quirk (USB_QUIRK_NO_SET_INTF) is introduced and a quirks entry is created for this device. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:26:14 UTC
12cd5b9 Roy Hashimoto 12 March 2008, 21:55:31 UTC USB: fix gadgetfs class request delegation gadgetfs (drivers/usb/gadget/inode.c) was not delegating all non-device requests to userspace. This patch makes the handling of all request cases consistent. Signed-off-by: Roy Hashimoto <hashimot@alumni.caltech.edu> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 25 March 2008, 05:26:14 UTC
7c12c92 Linus Torvalds 25 March 2008, 03:35:48 UTC Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] mpc5200: Fix incorrect compatible string for the mdio node [POWERPC] Update some defconfigs 25 March 2008, 03:35:48 UTC
5a17558 Linus Torvalds 25 March 2008, 03:02:32 UTC Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: [libata] ahci: SB600 workaround is suspect... play it safe for now sata_promise: fix hardreset hotplug events, take 2 libata: improve HPA error handling libata: assume no device is attached if both IDENTIFYs are aborted pata_it821x: use raw nbytes in check_atapi_dma libata: implement ata_qc_raw_nbytes() 25 March 2008, 03:02:32 UTC
4cde32f Jeff Garzik 25 March 2008, 02:40:40 UTC [libata] ahci: SB600 workaround is suspect... play it safe for now At least one report claims that a878539ef994787c447a98c2e3ba0fe3dad984ec failed to solve lockups, whereas the old limit-to-32-bit trick worked. Restore the 32-bit limit, but also leave the 255-sector limit in place, because we know that's needed as well. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> 25 March 2008, 02:40:40 UTC
d56dc0b Linus Torvalds 25 March 2008, 02:32:38 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-linus * git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-linus: kbuild: soften modpost checks when doing cross builds 25 March 2008, 02:32:38 UTC
16fddf5 Paul Mackerras 25 March 2008, 02:31:46 UTC Merge branch 'linux-2.6' into merge 25 March 2008, 02:31:46 UTC
c07a9c4 Mikael Pettersson 23 March 2008, 17:41:01 UTC sata_promise: fix hardreset hotplug events, take 2 A Promise SATA controller will signal hotplug events when a hard reset (COMRESET) is done on a port. These events aren't masked by the driver, and the unexpected interrupts will cause a sequence of failed reset attempts util libata's EH finally gives up. This has not been a common problem so far, but the pending libata hardreset-by-default changes makes it a critical issue. The solution is to disable hotplug events before a reset, and to reenable them afterwards. (Promise's driver does this too.) This patch adds SATA-specific versions of ->freeze() and ->thaw() that also disable and enable hotplug events. PATA ports continue to use the old versions of ->freeze() and ->thaw(). Accesses to the hotplug register must be serialised via host->lock. We rely on ap->lock == &ap->host->lock and that libata takes this lock before ->freeze() and ->thaw(). Document this requirement. The interrupt handler is adjusted so its hotplug register accesses are inside the region protected by host->lock. Tested on various chips (SATA300TX4, SATA300TX2plus, SATAII150TX4, FastTrack TX4000) with various combinations of SATA and PATA disks, with and without the pending hardreset-by-default changes. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Acked-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> 25 March 2008, 02:31:25 UTC
266c2e0 Linus Torvalds 25 March 2008, 02:25:08 UTC Make printk() console semaphore accesses sensible The printk() logic on when/how to get the console semaphore was unreadable, this splits the code up into a few helper functions and makes it easier to follow what is going on. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:25:08 UTC
5f7b703 Pavel Emelyanov 24 March 2008, 19:29:53 UTC bsd_acct: using task_struct->tgid is not right in pid-namespaces In case we're accounting from a sub-namespace, the tgids reported will not refer to the right namespace. Save the pid_namespace we're accounting in on the acct_glbs and use it in do_acct_process. Two less :) places using the task_struct.tgid member. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:20 UTC
a846a19 Pavel Emelyanov 24 March 2008, 19:29:52 UTC bsd_acct: plain current->real_parent access is not always safe This is minor, but dereferencing even current real_parent is not safe on debug kernels, since the memory, this points to, can be unmapped - RCU protection is required. Besides, the tgid field is deprecated and is to be replaced with task_tgid_xxx call (the 2nd patch), so RCU will be required anyway. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:19 UTC
4dd4b92 Andrew Morton 24 March 2008, 19:29:52 UTC revert "kswapd should only wait on IO if there is IO" Revert commit f1a9ee758de7de1e040de849fdef46e6802ea117: Author: Rik van Riel <riel@redhat.com> Date: Thu Feb 7 00:14:08 2008 -0800 kswapd should only wait on IO if there is IO The current kswapd (and try_to_free_pages) code has an oddity where the code will wait on IO, even if there is no IO in flight. This problem is notable especially when the system scans through many unfreeable pages, causing unnecessary stalls in the VM. Additionally, tasks without __GFP_FS or __GFP_IO in the direct reclaim path will sleep if a significant number of pages are encountered that should be written out. This gives kswapd a chance to write out those pages, while the direct reclaim task sleeps. Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Because of large latencies and interactivity problems reported by Carlos, here: http://lkml.org/lkml/2008/3/22/211 Cc: Rik van Riel <riel@redhat.com> Cc: "Carlos R. Mafra" <crmafra2@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:19 UTC
537878d David Brownell 24 March 2008, 19:29:51 UTC hw_random doc updates Update documentation for the hw_random support to be current: - Documentation/hw_random.txt has been updated to reflect the current code: it's a framework now, a "core" with a small sysfs interface, that hardware-specific drivers plug in to. Text specific to Intel hardware is now at the end. - Kconfig now references the Documentation/hw_random.txt file and better explains what this really does. Both chunks of documentation now higlight the fact that the kernel entropy pool is maintained by "rngd", and this driver has nothing directly to do with that important task. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:19 UTC
cb622bb Ahmed S. Darwish 24 March 2008, 19:29:49 UTC smackfs: remove redundant lock, fix open(,O_RDWR) Older smackfs was parsing MAC rules by characters, thus a need of locking write sessions on open() was needed. This lock is no longer useful now since each rule is handled by a single write() call. This is also a bugfix since seq_open() was not called if an open() O_RDWR flag was given, leading to a seq_read() without an initialized seq_file, thus an Oops. Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Reported-by: Jonathan Corbet <corbet@lwn.net> Acked-by: Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:19 UTC
5833611 Mathieu Desnoyers 24 March 2008, 19:29:49 UTC markers: remove ACCESS_ONCE As Paul pointed out, the ACCESS_ONCE are not needed because we already have the explicit surrounding memory barriers. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Christoph Hellwig <hch@infradead.org> Cc: Mike Mason <mmlnx@us.ibm.com> Cc: Dipankar Sarma <dipankar@in.ibm.com> Cc: David Smith <dsmith@redhat.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:19 UTC
fd3c36f Mathieu Desnoyers 24 March 2008, 19:29:47 UTC markers: update preempt_disable. call_rcu, rcu_barrier comments Add comments requested by Andrew. Updated comments about synchronize_sched(). Since we use call_rcu and rcu_barrier now, these comments were out of sync with the code. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Christoph Hellwig <hch@infradead.org> Cc: Mike Mason <mmlnx@us.ibm.com> Cc: Dipankar Sarma <dipankar@in.ibm.com> Cc: David Smith <dsmith@redhat.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Adrian Bunk <adrian.bunk@movial.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:19 UTC
5a982cb Yinghai Lu 24 March 2008, 19:29:45 UTC mm: fix boundary checking in free_bootmem_core With numa enabled, some callers could have a range of memory on one node but try to free that on other node. This can cause some pages to be freed wrongly. For example: when we try to allocate 128g boot ram early for gart/swiotlb, and free that range later so gart/swiotlb can get some range afterwards. With this patch, we don't need to care which node holds the range, just loop to call free_bootmem_node for all online nodes. This patch makes free_bootmem_core() more robust by trimming the sidx and eidx according the ram range that the node has. And make the free_bootmem_core handle this out of range case. We could use bdata_list to make sure the range can be freed for sure. So next time, we don't need to loop online nodes and could use free_bootmem directly. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Andi Kleen <ak@suse.de> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Ingo Molnar <mingo@elte.hu> Tested-by: Ingo Molnar <mingo@elte.hu> Cc: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:19 UTC
2875fb6 Ingo van Lil 24 March 2008, 19:29:44 UTC mtd: memory corruption in block2mtd.c The block2mtd driver (drivers/mtd/devices/block2mtd.c) will kfree an on-stack pointer when handling an invalid argument line (e.g. block2mtd=/dev/loop0,xxx). The kfree was added some time ago when "name" was dynamically allocated. Signed-off-by: Ingo van Lil <inguin@gmx.de> Acked-by: Joern Engel <joern@lazybastard.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: <stable@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:19 UTC
1312848 Pavel Machek 24 March 2008, 19:29:43 UTC kernel-parameters.txt: document memmap option better Provide example for memmap exclude option (it is slightly strange and non-trivial) and provide nice small HOWTO for people with bad memory. Signed-off-by: Jan-Simon Moeller <dl9pf@gmx.de> Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 25 March 2008, 02:22:19 UTC
5492a7e Grant Likely 22 March 2008, 03:25:15 UTC [POWERPC] mpc5200: Fix incorrect compatible string for the mdio node The MDIO node in the lite5200b.dts file needs to also claim compatibility with the older mpc5200 chip. Otherwise the driver won't find the device. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org> 25 March 2008, 02:18:39 UTC
dda7aba Tejun Heo 23 March 2008, 12:05:15 UTC libata: improve HPA error handling There's no point in retrying and eventually failing device detection when the device rejects READ_NATIVE_MAX[_EXT]. Disable HPA unlocking if READ_NATIVE_MAX[_EXT] is rejected as done when SET_MAX[_EXT] is rejected. This allows some old drives to work even if they aren't blacklisted. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> 25 March 2008, 02:09:40 UTC
1ffc151 Tejun Heo 23 March 2008, 06:16:53 UTC libata: assume no device is attached if both IDENTIFYs are aborted This is to fix bugzilla #10254. QSI cdrom attached to pata_sis as secondary master appears as phantom device for the slave. Interestingly, instead of not setting DRQ after IDENTIFY which triggers NODEV_HINT, it aborts both IDENTIFY and IDENTIFY PACKET which makes EH retry. Modify EH such that it assumes no device is attached if both flavors of IDENTIFY are aborted by the device. There really isn't much point in retrying when the device actively aborts the commands. While at it, convert NODEV detection message to ata_dev_printk() to help debugging obscure detection problems. This problem was reported by Jan Bücken. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Jan Bücken <jb.faq@gmx.de> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> 25 March 2008, 02:09:38 UTC
b63b133 Tejun Heo 18 March 2008, 08:56:12 UTC pata_it821x: use raw nbytes in check_atapi_dma pata_it821x needs to look at raw request size in check_atapi_dma(). Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org> 25 March 2008, 02:09:24 UTC
aacda37 Tejun Heo 18 March 2008, 08:47:43 UTC libata: implement ata_qc_raw_nbytes() Implement ata_qc_raw_nbytes() which determines the raw user-requested size of a PC command. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> 25 March 2008, 02:09:12 UTC
cc7feea Linus Torvalds 24 March 2008, 20:09:34 UTC Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix Oops with TQM5200 on TQM5200 [POWERPC] mpc5200: Fix null dereference if bestcomm fails to initialize [POWERPC] mpc5200-fec: Fix possible NULL dereference in mdio driver [POWERPC] Fix crash in init_ipic_sysfs on efika [POWERPC] Don't use 64k pages for ioremap on pSeries 24 March 2008, 20:09:34 UTC
6f58d79 Linus Torvalds 24 March 2008, 20:08:01 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: exec PT_DTRACE [SPARC64]: Use shorter list_splice_init() for brevity. [SPARC64]: Remove most limitations to kernel image size. 24 March 2008, 20:08:01 UTC
ca1a6ba Linus Torvalds 24 March 2008, 20:07:24 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: sch_htb: fix "too many events" situation connector: convert to single-threaded workqueue [ATM]: When proc_create() fails, do some error handling work and return -ENOMEM. [SUNGEM]: Fix NAPI assertion failure. BNX2X: prevent ethtool from setting port type [9P] net/9p/trans_fd.c: remove unused variable [IPV6] net/ipv6/ndisc.c: remove unused variable [IPV4] fib_trie: fix warning from rcu_assign_poinger [TCP]: Let skbs grow over a page on fast peers [DLCI]: Fix tiny race between module unload and sock_ioctl. [SCTP]: Fix build warnings with IPV6 disabled. [IPV4]: Fix null dereference in ip_defrag 24 March 2008, 20:07:24 UTC
d307377 Roland Dreier 24 March 2008, 16:03:03 UTC SVCRDMA: Use only 1 RDMA read scatter entry for iWARP adapters The iWARP protocol limits RDMA read requests to a single scatter entry. NFS/RDMA has code in rdma_read_max_sge() that is supposed to limit the sge_count for RDMA read requests to 1, but the code to do that is inside an #ifdef RDMA_TRANSPORT_IWARP block. In the mainline kernel at least, RDMA_TRANSPORT_IWARP is an enum and not a preprocessor #define, so the #ifdef'ed code is never compiled. In my test of a kernel build with -j8 on an NFS/RDMA mount, this problem eventually leads to trouble starting with: svcrdma: Error posting send = -22 svcrdma : RDMA_READ error = -22 and things go downhill from there. The trivial fix is to delete the #ifdef guard. The check seems to be a remnant of when the NFS/RDMA code was not merged and needed to compile against multiple kernel versions, although I don't think it ever worked as intended. In any case now that the code is upstream there's no need to test whether the RDMA_TRANSPORT_IWARP constant is defined or not. Without this patch, my kernel build on an NFS/RDMA mount using NetEffect adapters quickly and 100% reproducibly failed with an error like: ld: final link failed: Software caused connection abort With the patch applied I was able to complete a kernel build on the same setup. (Tom Tucker says this is "actually an _ancient_ remnant when it had to compile against iWARP vs. non-iWARP enabled OFA trees.") Signed-off-by: Roland Dreier <rolandd@cisco.com> Acked-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 24 March 2008, 18:25:25 UTC
b9e76a0 Linus Torvalds 24 March 2008, 18:22:39 UTC x86-32: Pass the full resource data to ioremap() It appears that 64-bit PCI resources cannot possibly ever have worked on x86-32 even when the RESOURCES_64BIT config option was set, because any driver that tried to [pci_]ioremap() the resource would have been unable to do so because the high 32 bits would have been silently dropped on the floor by the ioremap() routines that only used "unsigned long". Change them to use "resource_size_t" instead, which properly encodes the whole 64-bit resource data if RESOURCES_64BIT is enabled. Acked-by: H. Peter Anvin <hpa@kernel.org> Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 24 March 2008, 18:22:39 UTC
92896bd Linus Torvalds 24 March 2008, 18:07:15 UTC Don't 'printk()' while holding xtime lock for writing The printk() can deadlock because it can wake up klogd(), and task enqueueing will try to read the time in order to set a hrtimer. Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com> Debugged-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 24 March 2008, 18:07:15 UTC
eff2f1e Kumar Gala 24 March 2008, 13:56:06 UTC [POWERPC] Update some defconfigs Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 24 March 2008, 13:56:06 UTC
7ea6fd7 Anatolij Gustschin 22 March 2008, 10:49:05 UTC [POWERPC] Fix Oops with TQM5200 on TQM5200 The "bestcomm-core" driver defines its of_match table as follows static struct of_device_id mpc52xx_bcom_of_match[] = { { .type = "dma-controller", .compatible = "fsl,mpc5200-bestcomm", }, { .type = "dma-controller", .compatible = "mpc5200-bestcomm", }, {}, }; so while registering the driver, the driver's probe function won't be called, because the device tree node doesn't have a device_type property. Thus the driver's bcom_engine structure won't be allocated. Referencing this structure later causes observed Oops. Checking bcom_eng pointer for NULL before referencing data pointed by it prevents oopsing, but fec driver still doesn't work (because of the lost bestcomm match and resulted task allocation failure). Actually the compatible property exists and should match and so the fec driver should work. This removes .type = "dma-controller" from the bestcomm driver's mpc52xx_bcom_of_match table to solve the problem. Signed-off-by: Anatolij Gustschin <agust@denx.de> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org> 24 March 2008, 06:55:51 UTC
9560aea Grant Likely 22 March 2008, 03:41:05 UTC [POWERPC] mpc5200: Fix null dereference if bestcomm fails to initialize If the bestcomm initialization fails, calls to the task allocate function should fail gracefully instead of oopsing with a NULL deref. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org> 24 March 2008, 06:55:49 UTC
b8c19eb Grant Likely 22 March 2008, 03:20:29 UTC [POWERPC] mpc5200-fec: Fix possible NULL dereference in mdio driver If the reg property is missing from the phy node (unlikely, but possible), then the kernel will oops with a NULL pointer dereference. This fixes it by checking the pointer first. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org> 24 March 2008, 06:55:48 UTC
1428a9f Olaf Hering 17 March 2008, 19:53:05 UTC [POWERPC] Fix crash in init_ipic_sysfs on efika The global primary_ipic in arch/powerpc/sysdev/ipic.c can remain NULL if ipic_init() fails, which will happen on machines that don't have an ipic interrupt controller. init_ipic_sysfs() will crash in that case. Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org> 24 March 2008, 06:55:00 UTC
cfe666b Paul Mackerras 24 March 2008, 06:41:22 UTC [POWERPC] Don't use 64k pages for ioremap on pSeries On pSeries, the hypervisor doesn't let us map in the eHEA ethernet adapter using 64k pages, and thus the ehea driver will fail if 64k pages are configured. This works around the problem by always using 4k pages for ioremap on pSeries (but not on other platforms). A better fix would be to check whether the partition could ever have an eHEA adapter, and only force 4k pages if it could, but this will do for 2.6.25. This is based on an earlier patch by Tony Breeds. Signed-off-by: Paul Mackerras <paulus@samba.org> 24 March 2008, 06:41:22 UTC
6d00815 Roland McGrath 24 March 2008, 05:50:16 UTC [SPARC64]: exec PT_DTRACE The PT_DTRACE flag is meaningless and obsolete. Don't touch it. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 24 March 2008, 05:50:16 UTC
1f17131 Robert P. J. Day 24 March 2008, 05:48:29 UTC [SPARC64]: Use shorter list_splice_init() for brevity. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: David S. Miller <davem@davemloft.net> 24 March 2008, 05:48:29 UTC
8f3ea33 Martin Devera 24 March 2008, 05:00:38 UTC sch_htb: fix "too many events" situation HTB is event driven algorithm and part of its work is to apply scheduled events at proper times. It tried to defend itself from livelock by processing only limited number of events per dequeue. Because of faster computers some users already hit this hardcoded limit. This patch limits processing up to 2 jiffies (why not 1 jiffie ? because it might stop prematurely when only fraction of jiffie remains). Signed-off-by: Martin Devera <devik@cdi.cz> Signed-off-by: David S. Miller <davem@davemloft.net> 24 March 2008, 05:00:38 UTC
4b1b366 Evgeniy Polyakov 24 March 2008, 04:51:12 UTC connector: convert to single-threaded workqueue From: Evgeniy Polyakov <johnpol@2ka.mipt.ru> We don't need one cqueue thread for each CPU. cqueue is used for receiving userspace datagrams, which are very rare and thus will happily live with a single queue. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net> 24 March 2008, 04:51:12 UTC
dbee0d3 Wang Chen 24 March 2008, 04:45:36 UTC [ATM]: When proc_create() fails, do some error handling work and return -ENOMEM. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net> 24 March 2008, 04:45:36 UTC
4ce6efe Sam Ravnborg 23 March 2008, 20:38:54 UTC kbuild: soften modpost checks when doing cross builds The module alias support in the kernel have a consistency check where it is checked that the size of a structure in the kernel and on the build host are the same. For cross builds this check does not make sense so detect when we do cross builds and silently skip the check in these situations. This fixes a build bug for a wireless driver when cross building for arm. Acked-by: Michael Buesch <mb@bu3sch.de> Tested-by: Gordon Farquharson <gordonfarquharson@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: stable@kernel.org 23 March 2008, 20:38:54 UTC
8c07e46 Randy Dunlap 23 March 2008, 19:28:20 UTC i2c: Fix docbook problem Sometimes kernel-doc and xmlto conspire to create output that is invalid and causes problems. Until I know a real/better solution, change the source code that causes this. If anyone has better fixes or can just explain what is happening here, that would be great. xmlto: input does not validate (status 1) mmotm-2008-0314-1449/Documentation/DocBook/kernel-api.xml:71468: parser error : Opening and ending tag mismatch: programlisting line 71464 and para </para><para> ^ mmotm-2008-0314-1449/Documentation/DocBook/kernel-api.xml:71480: parser error : Opening and ending tag mismatch: para line 71473 and programlisting </programlisting></informalexample> ^ make[1]: *** [Documentation/DocBook/kernel-api.html] Error 1 Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> 23 March 2008, 19:28:20 UTC
bc80cc5 Jean Delvare 23 March 2008, 19:28:20 UTC ASoC/TLV320AIC3X: Stop I2C driver ID abuse Please stop using random I2C driver IDs. Also removed a pointless initialization to 0 of a static struct member. Acked-by: Takashi Iwai <tiwai@suse.de> Cc: Jarkko Nikula <jarkko.nikula@nokia.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> 23 March 2008, 19:28:20 UTC
f08ac4e Tony Lindgren 23 March 2008, 19:28:20 UTC i2c-omap: Fix unhandled fault If an I2C interrupt happens between disabling interface clock and functional clock, the interrupt handler will produce an external abort on non-linefetch error when trying to access driver registers while interface clock is disabled. This patch fixes the problem by saving and disabling i2c-omap interrupt before turning off the clocks. Also disable functional clock before the interface clock as suggested by Paul Walmsley. Patch also renames enable/disable_clocks functions to unidle/idle functions. Note that the driver is currently not taking advantage of the idle interrupts. To use the idle interrupts, driver would have to enable interface clock based on the idle interrupt and dev->idle flag. This patch has been tested in linux-omap tree with various omaps. Cc: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> 23 March 2008, 19:28:20 UTC
7084925 Bryan Wu 23 March 2008, 19:28:20 UTC i2c-bfin-twi: Disable BF54x support for now The i2c-bfin-twi driver doesn't support BF54x for now due to missing header definitions causing the build to fail. Exclude it for now, it will be enabled again later. Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Jean Delvare <khali@linux-fr.org> 23 March 2008, 19:28:20 UTC
da990a2 David S. Miller 23 March 2008, 10:35:12 UTC [SUNGEM]: Fix NAPI assertion failure. As reported by Johannes Berg: I started getting this warning with recent kernels: [ 773.908927] ------------[ cut here ]------------ [ 773.908954] Badness at net/core/dev.c:2204 ... If we loop more than once in gem_poll(), we'll use more than the real budget in our gem_rx() calls, thus eventually trigger the caller's assertions in net_rx_action(). Subtract "work_done" from "budget" for the second arg to gem_rx() to fix the bug. Signed-off-by: David S. Miller <davem@davemloft.net> 23 March 2008, 10:35:12 UTC
2572c14 Eliezer Tamir 23 March 2008, 10:07:45 UTC BNX2X: prevent ethtool from setting port type On 10GBaseT boards setting the type to TP will cause the driver to try to configure 1GBaseT. Since there are currently no boards that support setting of the port type, disable this for now. Signed-off-by: Eliezer Tamir <eliezert@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> 23 March 2008, 10:07:45 UTC
53a6201 Julia Lawall 23 March 2008, 01:05:33 UTC [9P] net/9p/trans_fd.c: remove unused variable The variable cb is initialized but never used otherwise. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T; identifier i; constant C; @@ ( extern T i; | - T i; <+... when != i - i = C; ...+> ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net> 23 March 2008, 01:05:33 UTC
421f099 Julia Lawall 23 March 2008, 01:04:16 UTC [IPV6] net/ipv6/ndisc.c: remove unused variable The variable hlen is initialized but never used otherwise. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T; identifier i; constant C; @@ ( extern T i; | - T i; <+... when != i - i = C; ...+> ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net> 23 March 2008, 01:04:16 UTC
6440cc9 Stephen Hemminger 23 March 2008, 00:59:58 UTC [IPV4] fib_trie: fix warning from rcu_assign_poinger This gets rid of a warning caused by the test in rcu_assign_pointer. I tried to fix rcu_assign_pointer, but that devolved into a long set of discussions about doing it right that came to no real solution. Since the test in rcu_assign_pointer for constant NULL would never succeed in fib_trie, just open code instead. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> 23 March 2008, 00:59:58 UTC
d2532dd Linus Torvalds 23 March 2008, 00:07:59 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: RDMA/nes: Fix MSS calculation on RDMA path 23 March 2008, 00:07:59 UTC
7f8ed18 Linus Torvalds 23 March 2008, 00:06:57 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: Revert "ide-tape: schedule driver for removal after 6 months" ide: mark "hdx=remap" and "hdx=remap63" kernel parameters as obsoleted ide: mark "hdx=[driver_name]" and "hdx=scsi" kernel parameters as obsoleted ide: Documentation/ide/ide.txt fixes ide: mark special "ide0=" kernel parameters as obsoleted ide: remove commented out entries from ide_pio_blacklist[] 23 March 2008, 00:06:57 UTC
0d995b2 Linus Torvalds 23 March 2008, 00:05:31 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Fix mem leak on dfs referral [CIFS] file create with acl support enabled is slow [CIFS] Fix mtime on cp -p when file data cached but written out too late [CIFS] Fix build problem [CIFS] cifs: replace remaining __FUNCTION__ occurrences [CIFS] DFS patch that connects inode with dfs handling ops 23 March 2008, 00:05:31 UTC
130eb46 Linus Torvalds 23 March 2008, 00:04:58 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: x86: revert: reserve dma32 early for gart 23 March 2008, 00:04:58 UTC
f16278c Hans Rosenfeld 21 March 2008, 23:46:59 UTC Change pagemap output format to allow for future reporting of huge pages Change pagemap output format to allow for future reporting of huge pages. (Format comment and minor cleanups: mpm@selenic.com) Signed-off-by: Hans Rosenfeld <hans.rosenfeld@amd.com> Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 23 March 2008, 00:03:10 UTC
51ec92e Pierre Ossman 21 March 2008, 22:54:50 UTC mmc: use sysfs groups to handle conditional attributes Suppressing uevents turned out to be a bad idea as it screws up the order of events, making user space very confused. Change the system to use sysfs groups instead. This is a regression that, for some odd reason, has gone unnoticed for some time. It confuses hal so that the block devices (which have the mmc device as a parent) are not registered. End result being that desktop magic when cards are inserted won't work. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 23 March 2008, 00:02:20 UTC
03c086a Darren Salt 13 March 2008, 15:35:49 UTC PNP: increase the number of PnP memory resources from 12 to 24 Increase the number of PnP memory resources from 12 to 24. This removes an "exceeded the max num of mem resources" warning on boot. I also noticed the reservation of two more iomem ranges on the computer on which this was tested. Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk> Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 23 March 2008, 00:00:57 UTC
245073f Bjorn Helgaas 21 March 2008, 18:08:37 UTC ISAPNP: fix limits of logical device register set PNP_MAX_MEM and PNP_MAX_PORT are mainly used to size tables of PNP device resources. In 2.6.24, we increased their values to accomodate ACPI devices that have many resources: 2.6.23 2.6.24 ------ ------ PNP_MAX_MEM 4 12 PNP_MAX_PORT 8 40 However, ISAPNP also used these constants as the size of parts of the logical device register set. This register set is fixed by hardware, so increasing the constants meant that we were reading and writing unintended parts of the register set. This patch changes ISAPNP to use the correct register set sizes (the same values we used prior to 2.6.24). Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 23 March 2008, 00:00:03 UTC
04b6e6e Steve French 22 March 2008, 22:57:44 UTC [CIFS] Fix mem leak on dfs referral Signed-off-by: Igor Mammedov <niallain@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com> 22 March 2008, 22:57:44 UTC
69d1506 Herbert Xu 22 March 2008, 22:47:05 UTC [TCP]: Let skbs grow over a page on fast peers While testing the virtio-net driver on KVM with TSO I noticed that TSO performance with a 1500 MTU is significantly worse compared to the performance of non-TSO with a 16436 MTU. The packet dump shows that most of the packets sent are smaller than a page. Looking at the code this actually is quite obvious as it always stop extending the packet if it's the first packet yet to be sent and if it's larger than the MSS. Since each extension is bound by the page size, this means that (given a 1500 MTU) we're very unlikely to construct packets greater than a page, provided that the receiver and the path is fast enough so that packets can always be sent immediately. The fix is also quite obvious. The push calls inside the loop is just an optimisation so that we don't end up doing all the sending at the end of the loop. Therefore there is no specific reason why it has to do so at MSS boundaries. For TSO, the most natural extension of this optimisation is to do the pushing once the skb exceeds the TSO size goal. This is what the patch does and testing with KVM shows that the TSO performance with a 1500 MTU easily surpasses that of a 16436 MTU and indeed the packet sizes sent are generally larger than 16436. I don't see any obvious downsides for slower peers or connections, but it would be prudent to test this extensively to ensure that those cases don't regress. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net> 22 March 2008, 22:47:05 UTC
9e96304 Thomas Gleixner 22 March 2008, 13:13:06 UTC x86: revert: reserve dma32 early for gart Revert commit f62f1fc9ef94f74fda2b456d935ba2da69fa0a40 Author: Yinghai Lu <yhlu.kernel@gmail.com> Date: Fri Mar 7 15:02:50 2008 -0800 x86: reserve dma32 early for gart The patch has a dependency on bootmem modifications which are not .25 material that late in the -rc cycle. The problem which is addressed by the patch is limited to machines with 256G and more memory booted with NUMA disabled. This is not a .25 regression and the audience which is affected by this problem is very limited, so it's safer to do the revert than pulling in intrusive bootmem changes right now. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 22 March 2008, 18:25:41 UTC
ca4e2ab Bartlomiej Zolnierkiewicz 22 March 2008, 15:44:27 UTC Revert "ide-tape: schedule driver for removal after 6 months" This reverts commit d48567dd43868b3d2e1fcc33ee76dc2d38a1ddeb. Borislav is working on ide-tape "light" version instead. Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> 22 March 2008, 15:44:27 UTC
d708c40 Bartlomiej Zolnierkiewicz 22 March 2008, 15:40:22 UTC ide: mark "hdx=remap" and "hdx=remap63" kernel parameters as obsoleted Mark "hdx=remap" and "hdx=remap63" kernel parameters as obsoleted (they are layering violation and should be dealt with in the same way as done by libata - device-mapper should be used instead). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> 22 March 2008, 15:40:22 UTC
15220d9 Bartlomiej Zolnierkiewicz 22 March 2008, 15:40:21 UTC ide: mark "hdx=[driver_name]" and "hdx=scsi" kernel parameters as obsoleted Mark "hdx=[driver_name]" and "hdx=scsi" kernel parameters as obsoleted (nowadays device-driver binding can be changed at runtime through sysfs and it can also be dealt with using per device driver parameters). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> 22 March 2008, 15:40:21 UTC
ad1c53b Bartlomiej Zolnierkiewicz 22 March 2008, 15:40:21 UTC ide: Documentation/ide/ide.txt fixes * "hdx=cyls,heads,sects,wpcom,irq" should be "hdx=cyls,heads,sects". * "hdx=" is for "x" from 'a' to 'u', "idex=" is for "x" from '0' to '9'. * "idex=noautotune" is long gone. * Obsoleted "ide0=" parameters were already removed from the documentation. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> 22 March 2008, 15:40:21 UTC
9c027c6 Bartlomiej Zolnierkiewicz 22 March 2008, 15:40:21 UTC ide: mark special "ide0=" kernel parameters as obsoleted Mark "ide0=ali14xx|cmd640_vlb|dtc2278|ht6560b|qd65xx|umc8672" kernel parameters as obsoleted (per host driver replacements have been available for a long time). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> 22 March 2008, 15:40:21 UTC
37ff9f3 Bartlomiej Zolnierkiewicz 22 March 2008, 15:40:20 UTC ide: remove commented out entries from ide_pio_blacklist[] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> 22 March 2008, 15:40:20 UTC
6465874 David S. Miller 22 March 2008, 00:01:38 UTC [SPARC64]: Remove most limitations to kernel image size. Currently kernel images are limited to 8MB in size, and this causes problems especially when enabling features that take up a lot of kernel image space such as lockdep. The code now will align the kernel image size up to 4MB and map that many locked TLB entries. So, the only practical limitation is the number of available locked TLB entries which is 16 on Cheetah and 64 on pre-Cheetah sparc64 cpus. Niagara cpus don't actually have hw locked TLB entry support. Rather, the hypervisor transparently provides support for "locked" TLB entries since it runs with physical addressing and does the initial TLB miss processing. Fully utilizing this change requires some help from SILO, a patch for which will be submitted to the maintainer. Essentially, SILO will only currently map up to 8MB for the kernel image and that needs to be increased. Note that neither this patch nor the SILO bits will help with network booting. The openfirmware code will only map up to a certain amount of kernel image during a network boot and there isn't much we can to about that other than to implemented a layered network booting facility. Solaris has this, and calls it "wanboot" and we may implement something similar at some point. Signed-off-by: David S. Miller <davem@davemloft.net> 22 March 2008, 00:01:38 UTC
7512cbf Pavel Emelyanov 21 March 2008, 22:58:52 UTC [DLCI]: Fix tiny race between module unload and sock_ioctl. This is a narrow pedantry :) but the dlci_ioctl_hook check and call should not be parted with the mutex lock. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net> 21 March 2008, 22:58:52 UTC
1233823 David S. Miller 21 March 2008, 22:40:47 UTC [SCTP]: Fix build warnings with IPV6 disabled. Introduced by 270637abff0cdf848b910b9f96ad342e1da61c66 ("[SCTP]: Fix a race between module load and protosw access") Reported by Gabriel C: In file included from net/sctp/sm_statetable.c:50: include/net/sctp/sctp.h: In function 'sctp_v6_pf_init': include/net/sctp/sctp.h:392: warning: 'return' with a value, in function returning void In file included from net/sctp/sm_statefuns.c:62: include/net/sctp/sctp.h: In function 'sctp_v6_pf_init': include/net/sctp/sctp.h:392: warning: 'return' with a value, in function returning void ... Signed-off-by: David S. Miller <davem@davemloft.net> 21 March 2008, 22:40:47 UTC
12b1015 Phil Oester 21 March 2008, 22:01:50 UTC [IPV4]: Fix null dereference in ip_defrag Been seeing occasional panics in my testing of 2.6.25-rc in ip_defrag. Offending line in ip_defrag is here: net = skb->dev->nd_net where dev is NULL. Bisected the problem down to commit ac18e7509e7df327e30d6e073a787d922eaf211d ([NETNS][FRAGS]: Make the inet_frag_queue lookup work in namespaces). Below patch (idea from Patrick McHardy) fixes the problem for me. Signed-off-by: Phil Oester <kernel@linuxace.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> 21 March 2008, 22:01:50 UTC
f2b2b59 Chien Tung 21 March 2008, 00:55:30 UTC RDMA/nes: Fix MSS calculation on RDMA path Fix the calculation of the MSS for RDMA connections: we need to allow space in frames for a VLAN tag too. Signed-off-by: Chien Tung <ctung@neteffect.com> Signed-off-by: Glenn Streiff <gstreiff@neteffect.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> 21 March 2008, 20:59:28 UTC
a575433 Mark Fasheh 21 March 2008, 17:40:31 UTC ocfs2: MAINTAINERS update Change my e-mail address, add Joel as new co-maintainer. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> 21 March 2008, 17:40:31 UTC
028011e Linus Torvalds 21 March 2008, 17:05:19 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel: sched: add arch_update_cpu_topology hook. sched: add exported arch_reinit_sched_domains() to header file. sched: remove double unlikely from schedule() sched: cleanup old and rarely used 'debug' features. 21 March 2008, 17:05:19 UTC
37bff62 Yinghai Lu 18 March 2008, 19:40:04 UTC x86_64: free_bootmem should take phys so use nodedata_phys directly. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 21 March 2008, 16:06:15 UTC
7800c0c Matti Linnanvuori 16 March 2008, 09:47:35 UTC sync_bitops: fix wrong comments [Bug 10247] Fix wrong function name and references to non-x86 architectures. Signed-off-by: Matti Linnanvuori mattilinnanvuori@yahoo.com Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 21 March 2008, 16:06:15 UTC
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