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13 June 2022, 11:31:42 UTC
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2b7a32f Sinan Akman 03 October 2010, 03:28:29 UTC of/spi: Fix OF-style driver binding of spi devices This patch adds the OF hook to the spi core so that devices can automatically be registered based on device tree data. This fixes a problem with spi devices not binding to drivers after the cleanup of the spi & i2c binding code. Signed-off-by: Sinan Akman <sinan@writeme.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> 03 October 2010, 03:28:29 UTC
23699f9 Roel Kluin 02 October 2010, 12:03:32 UTC spi: spi-gpio.c tests SPI_MASTER_NO_RX bit twice, but not SPI_MASTER_NO_TX The SPI_MASTER_NO_TX bit (can't do buffer write) wasn't tested. This code was introduced in commit 3c8e1a84 (spi/spi-gpio: add support for controllers without MISO or MOSI pin). This patch fixes a bug in choosing which transfer ops to use. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> 03 October 2010, 03:09:08 UTC
37880c9 christophe leroy 16 September 2010, 07:05:25 UTC spi/mpc8xxx: fix buffer overrun on large transfers It fixes an issue when sending-only or receiving-only more than PAGE_SIZE bytes. Signed-off-by: christophe leroy <christophe.leroy@c-s.fr> Acked-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> 16 September 2010, 20:07:45 UTC
9c03f16 Linus Torvalds 15 September 2010, 00:07:51 UTC Merge ssh://master.kernel.org/home/hpa/tree/sec * ssh://master.kernel.org/home/hpa/tree/sec: x86-64, compat: Retruncate rax after ia32 syscall entry tracing x86-64, compat: Test %rax for the syscall number, not %eax compat: Make compat_alloc_user_space() incorporate the access_ok() 15 September 2010, 00:07:51 UTC
a4128b0 David Howells 14 September 2010, 16:59:15 UTC MN10300: Fix up the IRQ names for the on-chip serial ports Fix up the IRQ names for the MN10300 on-chip serial ports in the driver as request_interrupt() no longer allows names containing slashes, giving a warning like the following if one is encountered: ------------[ cut here ]------------ WARNING: at fs/proc/generic.c:323 __xlate_proc_name+0x62/0x7c() name 'ttySM0/Rx' Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 15 September 2010, 00:06:28 UTC
65e0b59 Linus Torvalds 15 September 2010, 00:05:39 UTC Merge git://git.infradead.org/mtd-2.6 * git://git.infradead.org/mtd-2.6: mtd: pxa3xx: fix build error when CONFIG_MTD_PARTITIONS is not defined mtd: mxc_nand: configure pages per block for v2 controller mtd: OneNAND: Fix loop hang when DMA error at Samsung SoCs mtd: OneNAND: Fix 2KiB pagesize handling at Samsung SoCs mtd: Blackfin NFC: fix invalid free in remove() mtd: Blackfin NFC: fix build error after nand_scan_ident() change mxc_nand: Do not do byte accesses to the NFC buffer. 15 September 2010, 00:05:39 UTC
d7a4b63 Linus Torvalds 15 September 2010, 00:05:09 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: fix hiddev's use of usb_find_interface HID: fixup blacklist entry for Asus T91MT HID: add device ID for new Asus Multitouch Controller HID: add no-get quirk for eGalax touch controller HID: Add quirk for eGalax touch controler. HID: add support for another BTC Emprex remote control HID: Set Report ID properly for Output reports on the Control endpoint. HID: Kanvus Note A5 tablet needs HID_QUIRK_MULTI_INPUT HID: Add support for chicony multitouch screens. 15 September 2010, 00:05:09 UTC
de8d4f5 Linus Torvalds 15 September 2010, 00:04:48 UTC Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6 * 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: SUNRPC: Fix the NFSv4 and RPCSEC_GSS Kconfig dependencies statfs() gives ESTALE error NFS: Fix a typo in nfs_sockaddr_match_ipaddr6 sunrpc: increase MAX_HASHTABLE_BITS to 14 gss:spkm3 miss returning error to caller when import security context gss:krb5 miss returning error to caller when import security context Remove incorrect do_vfs_lock message SUNRPC: cleanup state-machine ordering SUNRPC: Fix a race in rpc_info_open SUNRPC: Fix race corrupting rpc upcall Fix null dereference in call_allocate 15 September 2010, 00:04:48 UTC
75e1c70 Jeff Moyer 10 September 2010, 21:16:00 UTC aio: check for multiplication overflow in do_io_submit Tavis Ormandy pointed out that do_io_submit does not do proper bounds checking on the passed-in iocb array:        if (unlikely(nr < 0))                return -EINVAL;        if (unlikely(!access_ok(VERIFY_READ, iocbpp, (nr*sizeof(iocbpp)))))                return -EFAULT;                      ^^^^^^^^^^^^^^^^^^ The attached patch checks for overflow, and if it is detected, the number of iocbs submitted is scaled down to a number that will fit in the long.  This is an ok thing to do, as sys_io_submit is documented as returning the number of iocbs submitted, so callers should handle a return value of less than the 'nr' argument passed in. Reported-by: Tavis Ormandy <taviso@cmpxchg8b.com> Signed-off-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 15 September 2010, 00:02:37 UTC
eefdca0 Roland McGrath 14 September 2010, 19:22:58 UTC x86-64, compat: Retruncate rax after ia32 syscall entry tracing In commit d4d6715, we reopened an old hole for a 64-bit ptracer touching a 32-bit tracee in system call entry. A %rax value set via ptrace at the entry tracing stop gets used whole as a 32-bit syscall number, while we only check the low 32 bits for validity. Fix it by truncating %rax back to 32 bits after syscall_trace_enter, in addition to testing the full 64 bits as has already been added. Reported-by: Ben Hawkes <hawkes@sota.gen.nz> Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> 14 September 2010, 23:08:47 UTC
36d001c H. Peter Anvin 14 September 2010, 19:42:41 UTC x86-64, compat: Test %rax for the syscall number, not %eax On 64 bits, we always, by necessity, jump through the system call table via %rax. For 32-bit system calls, in theory the system call number is stored in %eax, and the code was testing %eax for a valid system call number. At one point we loaded the stored value back from the stack to enforce zero-extension, but that was removed in checkin d4d67150165df8bf1cc05e532f6efca96f907cab. An actual 32-bit process will not be able to introduce a non-zero-extended number, but it can happen via ptrace. Instead of re-introducing the zero-extension, test what we are actually going to use, i.e. %rax. This only adds a handful of REX prefixes to the code. Reported-by: Ben Hawkes <hawkes@sota.gen.nz> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: <stable@kernel.org> Cc: Roland McGrath <roland@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> 14 September 2010, 23:08:46 UTC
c41d68a H. Peter Anvin 07 September 2010, 23:16:18 UTC compat: Make compat_alloc_user_space() incorporate the access_ok() compat_alloc_user_space() expects the caller to independently call access_ok() to verify the returned area. A missing call could introduce problems on some architectures. This patch incorporates the access_ok() check into compat_alloc_user_space() and also adds a sanity check on the length. The existing compat_alloc_user_space() implementations are renamed arch_compat_alloc_user_space() and are used as part of the implementation of the new global function. This patch assumes NULL will cause __get_user()/__put_user() to either fail or access userspace on all architectures. This should be followed by checking the return value of compat_access_user_space() for NULL in the callers, at which time the access_ok() in the callers can also be removed. Reported-by: Ben Hawkes <hawkes@sota.gen.nz> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Tony Luck <tony.luck@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: James Bottomley <jejb@parisc-linux.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: <stable@kernel.org> 14 September 2010, 23:08:45 UTC
8fe294c Guillaume Chazarain 12 September 2010, 19:32:35 UTC HID: fix hiddev's use of usb_find_interface My macbook infrared remote control was broken by commit bd25f4dd6972755579d0ea50d1a5ace2e9b00d1a ("HID: hiddev: use usb_find_interface, get rid of BKL"). This device appears in dmesg as: apple 0003:05AC:8242.0001: hiddev0,hidraw0: USB HID v1.11 Device [Apple Computer, Inc. IR Receiver] on usb-0000:00:1d.2-1/input0 It stopped working as lircd was getting ENODEV when opening /dev/usb/hiddev0. AFAICS hiddev_driver is a dummy driver so usb_find_interface(&hiddev_driver) does not find anything. The device is associated with the usbhid driver, so let's do usb_find_interface(&hid_driver) instead. $ ls -l /sys/devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1:1.0/usb/hiddev0/device/driver lrwxrwxrwx 1 root root 0 2010-09-12 16:28 /sys/devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1:1.0/usb/hiddev0/device/driver -> ../../../../../../bus/usb/drivers/usbhid Signed-off-by: Guillaume Chazarain <guichaz@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 14 September 2010, 08:58:42 UTC
bfa88ea Linus Torvalds 13 September 2010, 21:34:27 UTC Merge branch 'sched/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: Improve latencies under load by decreasing minimum scheduling granularity 13 September 2010, 21:34:27 UTC
1d91686 Linus Torvalds 13 September 2010, 19:51:22 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k,m68knommu: Wire up fanotify_init, fanotify_mark, and prlimit64 13 September 2010, 19:51:22 UTC
ab22c17 Linus Torvalds 13 September 2010, 19:49:55 UTC Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] fix siglock Quoth Tony: "I committed the fix for this last week prior to your -rc4 announcement reminding us to give proper "Reported-by:" credit. This one should have had: Reported-by: Tony Ernst <tee@sgi.com> and also Much-useful-investigation-and-tracing-by: Hedi Berriche <hedi@sgi.com> Much-useful-investigation-and-tracing-by: Petr Tesarik <ptesarik@novell.com>" 13 September 2010, 19:49:55 UTC
ed8f425 Linus Torvalds 13 September 2010, 19:47:08 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: prevent possible memory corruption in cifs_demultiplex_thread cifs: eliminate some more premature cifsd exits cifs: prevent cifsd from exiting prematurely [CIFS] ntlmv2/ntlmssp remove-unused-function CalcNTLMv2_partial_mac_key cifs: eliminate redundant xdev check in cifs_rename Revert "[CIFS] Fix ntlmv2 auth with ntlmssp" Revert "missing changes during ntlmv2/ntlmssp auth and sign" Revert "Eliminate sparse warning - bad constant expression" Revert "[CIFS] Eliminate unused variable warning" 13 September 2010, 19:47:08 UTC
1421e98 Linus Torvalds 13 September 2010, 19:46:35 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: fs/9p: Don't use dotl version of mknod for dotu inode operations fs/9p: Use the correct dentry operations 9p: Check for NULL fid in v9fs_dir_release() fs/9p: Fix error handling in v9fs_get_sb fs/9p, net/9p: memory leak fixes 13 September 2010, 19:46:35 UTC
2bb3a25 Linus Torvalds 13 September 2010, 19:46:09 UTC Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: dquot: do full inode dirty in allocating space 13 September 2010, 19:46:09 UTC
6142811 Linus Torvalds 13 September 2010, 19:45:50 UTC Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6 * 'next-spi' of git://git.secretlab.ca/git/linux-2.6: spi/pl022: move probe call to subsys_initcall() powerpc/5200: mpc52xx_uart.c: Add of_node_put to avoid memory leak spi/pl022: fix APB pclk power regression on U300 spi/spi_s3c64xx: Warn if PIO transfers time out spi/s3c64xx: Fix incorrect reuse of 'val' local variable. spi/s3c64xx: Fix compilation warning spi/dw_spi: clean the cs_control code spi/dw_spi: Allow interrupt sharing spi/spi_s3c64xx: Increase dead reckoning time in wait_for_xfer() spi/spi_s3c64xx: Move to subsys_initcall() spi: free children in spi_unregister_master, not siblings gpiolib: Add 'struct gpio_chip' forward declaration for !GPIOLIB case of: Fix missing includes - ll_temac spi/spi_s3c64xx: Staticise non-exported functions spi/spi_s3c64xx: Make probe more robust against missing board config 13 September 2010, 19:45:50 UTC
edc805b Geert Uytterhoeven 16 August 2010, 12:05:20 UTC m68k,m68knommu: Wire up fanotify_init, fanotify_mark, and prlimit64 Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer <gerg@uclinux.org> 13 September 2010, 18:28:45 UTC
0bf377b Ingo Molnar 12 September 2010, 06:14:52 UTC sched: Improve latencies under load by decreasing minimum scheduling granularity Mathieu reported bad latencies with make -j10 kind of kbuild workloads - which is mostly caused by us scheduling with a too coarse granularity. Reduce the minimum granularity some more, to make sure we can meet the latency target. I got the following results (make -j10 kbuild load, average of 3 runs): vanilla: maximum latency: 38278.9 µs average latency: 7730.1 µs patched: maximum latency: 22702.1 µs average latency: 6684.8 µs Mathieu also measured it: | | * wakeup-latency.c (SIGEV_THREAD) with make -j10 | | - Mainline 2.6.35.2 kernel | | maximum latency: 45762.1 µs | average latency: 7348.6 µs | | - With only Peter's smaller min_gran (shown below): | | maximum latency: 29100.6 µs | average latency: 6684.1 µs | Reported-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Suggested-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <AANLkTi=8m4g01wZPacySoF7U0PevTNVgJoZZrHiUD-pN@mail.gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> 13 September 2010, 18:17:11 UTC
1d76e31 Aneesh Kumar K.V 30 August 2010, 17:43:07 UTC fs/9p: Don't use dotl version of mknod for dotu inode operations We should not use dotlversion for the dotu inode operations Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> 13 September 2010, 13:13:03 UTC
3c30750 Aneesh Kumar K.V 30 August 2010, 16:04:35 UTC fs/9p: Use the correct dentry operations We should use the cached dentry operation only if caching mode is enabled Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> 13 September 2010, 13:13:03 UTC
62726a7 jvrao 25 August 2010, 16:26:21 UTC 9p: Check for NULL fid in v9fs_dir_release() NULL fid should be handled in cases where we endup calling v9fs_dir_release() before even we instantiate the fid in filp. Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> 13 September 2010, 13:13:03 UTC
5c25f34 Aneesh Kumar K.V 24 August 2010, 10:30:49 UTC fs/9p: Fix error handling in v9fs_get_sb This was introduced by 7cadb63d58a932041afa3f957d5cbb6ce69dcee5 Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> 13 September 2010, 13:13:02 UTC
62b2be5 Latchesar Ionkov 24 August 2010, 18:13:59 UTC fs/9p, net/9p: memory leak fixes Four memory leak fixes in the 9P code. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> 13 September 2010, 13:13:02 UTC
99d3896 Mark F. Brown 26 August 2010, 08:56:51 UTC mtd: pxa3xx: fix build error when CONFIG_MTD_PARTITIONS is not defined Signed-off-by: Mark F. Brown <mark.brown314@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> 13 September 2010, 07:50:42 UTC
b8db2f5 Sascha Hauer 09 August 2010, 13:04:19 UTC mtd: mxc_nand: configure pages per block for v2 controller This patch initializes the pages per block field in CONFIG1 for v2 controllers. It also sets the FP_INT field. This is the last field not correctly initialized, so we can switch from read/modify/write the CONFIG1 reg to just write the correct value. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: John Ogness <john.ogness@linutronix.de> Tested-by: John Ogness <john.ogness@linutronix.de> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> 13 September 2010, 07:50:34 UTC
53d1e13 Kyungmin Park 27 August 2010, 02:55:37 UTC mtd: OneNAND: Fix loop hang when DMA error at Samsung SoCs When DMA error occurs. it's loop hang since it can't exit the loop. and it's the right DMA handling code as Spec. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> 13 September 2010, 07:49:45 UTC
9aba97a Kyungmin Park 27 August 2010, 02:55:44 UTC mtd: OneNAND: Fix 2KiB pagesize handling at Samsung SoCs Wrong assumption bufferram can be switched between BufferRAM0 and BufferRAM1 Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> 13 September 2010, 07:49:18 UTC
8b865d5 Mike Frysinger 28 August 2010, 20:42:04 UTC mtd: Blackfin NFC: fix invalid free in remove() Since info->mtd isn't dynamically allocated, we shouldn't attempt to kfree() it. Otherwise we get random fun corruption when unloading the driver built as a module. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> 13 September 2010, 07:49:03 UTC
eac15a4 Mike Frysinger 28 August 2010, 05:45:00 UTC mtd: Blackfin NFC: fix build error after nand_scan_ident() change Seems some patches got out sync when being merged. The Blackfin NFC driver was updated to use nand_scan_ident(), but it missed the change where nand_scan_ident() now takes 3 arguments. So update this driver to fix build failures. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> 13 September 2010, 07:48:50 UTC
827e345 Trond Myklebust 12 September 2010, 23:57:50 UTC SUNRPC: Fix the NFSv4 and RPCSEC_GSS Kconfig dependencies The NFSv4 client's callback server calls svc_gss_principal(), which is defined in the auth_rpcgss.ko The NFSv4 server has the same dependency, and in addition calls svcauth_gss_flavor(), gss_mech_get_by_pseudoflavor(), gss_pseudoflavor_to_service() and gss_mech_put() from the same module. The module auth_rpcgss itself has no dependencies aside from sunrpc, so we only need to select RPCSEC_GSS. Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> 12 September 2010, 23:57:50 UTC
fbf3fdd Menyhart Zoltan 12 September 2010, 23:55:26 UTC statfs() gives ESTALE error Hi, An NFS client executes a statfs("file", &buff) call. "file" exists / existed, the client has read / written it, but it has already closed it. user_path(pathname, &path) looks up "file" successfully in the directory-cache and restarts the aging timer of the directory-entry. Even if "file" has already been removed from the server, because the lookupcache=positive option I use, keeps the entries valid for a while. nfs_statfs() returns ESTALE if "file" has already been removed from the server. If the user application repeats the statfs("file", &buff) call, we are stuck: "file" remains young forever in the directory-cache. Signed-off-by: Zoltan Menyhart <Zoltan.Menyhart@bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org 12 September 2010, 23:55:26 UTC
b20d37c Trond Myklebust 12 September 2010, 23:55:26 UTC NFS: Fix a typo in nfs_sockaddr_match_ipaddr6 Reported-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org 12 September 2010, 23:55:26 UTC
db5fe26 Miquel van Smoorenburg 12 September 2010, 23:55:26 UTC sunrpc: increase MAX_HASHTABLE_BITS to 14 The maximum size of the authcache is now set to 1024 (10 bits), but on our server we need at least 4096 (12 bits). Increase MAX_HASHTABLE_BITS to 14. This is a maximum of 16384 entries, each containing a pointer (8 bytes on x86_64). This is exactly the limit of kmalloc() (128K). Signed-off-by: Miquel van Smoorenburg <mikevs@xs4all.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> 12 September 2010, 23:55:26 UTC
651b293 Bian Naimeng 12 September 2010, 23:55:26 UTC gss:spkm3 miss returning error to caller when import security context spkm3 miss returning error to up layer when import security context, it may be return ok though it has failed to import security context. Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> 12 September 2010, 23:55:26 UTC
ce8477e Bian Naimeng 12 September 2010, 23:55:25 UTC gss:krb5 miss returning error to caller when import security context krb5 miss returning error to up layer when import security context, it may be return ok though it has failed to import security context. Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> 12 September 2010, 23:55:25 UTC
b1bde04 Fabio Olive Leite 12 September 2010, 23:55:25 UTC Remove incorrect do_vfs_lock message The do_vfs_lock function on fs/nfs/file.c is only called if NLM is not being used, via the -onolock mount option. Therefore it cannot really be "out of sync with lock manager" when the local locking function called returns an error, as there will be no corresponding call to the NLM. For details, simply check the if/else on do_setlk and do_unlk on fs/nfs/file.c. Signed-Off-By: Fabio Olive Leite <fleite@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> 12 September 2010, 23:55:25 UTC
5557624 J. Bruce Fields 12 September 2010, 23:55:25 UTC SUNRPC: cleanup state-machine ordering This is just a minor cleanup: net/sunrpc/clnt.c clarifies the rpc client state machine by commenting each state and by laying out the functions implementing each state in the order that each state is normally executed (in the absence of errors). The previous patch "Fix null dereference in call_allocate" changed the order of the states. Move the functions and update the comments to reflect the change. Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> 12 September 2010, 23:55:25 UTC
006abe8 Trond Myklebust 12 September 2010, 23:55:25 UTC SUNRPC: Fix a race in rpc_info_open There is a race between rpc_info_open and rpc_release_client() in that nothing stops a process from opening the file after the clnt->cl_kref goes to zero. Fix this by using atomic_inc_unless_zero()... Reported-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org 12 September 2010, 23:55:25 UTC
5a67657 Trond Myklebust 12 September 2010, 23:55:25 UTC SUNRPC: Fix race corrupting rpc upcall If rpc_queue_upcall() adds a new upcall to the rpci->pipe list just after rpc_pipe_release calls rpc_purge_list(), but before it calls gss_pipe_release (as rpci->ops->release_pipe(inode)), then the latter will free a message without deleting it from the rpci->pipe list. We will be left with a freed object on the rpc->pipe list. Most frequent symptoms are kernel crashes in rpc.gssd system calls on the pipe in question. Reported-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org 12 September 2010, 23:55:25 UTC
f2d47d0 J. Bruce Fields 12 September 2010, 23:55:25 UTC Fix null dereference in call_allocate In call_allocate we need to reach the auth in order to factor au_cslack into the allocation. As of a17c2153d2e271b0cbacae9bed83b0eaa41db7e1 "SUNRPC: Move the bound cred to struct rpc_rqst", call_allocate attempts to do this by dereferencing tk_client->cl_auth, however this is not guaranteed to be defined--cl_auth can be zero in the case of gss context destruction (see rpc_free_auth). Reorder the client state machine to bind credentials before allocating, so that we can instead reach the auth through the cred. Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org 12 September 2010, 23:55:25 UTC
49553c2 Linus Torvalds 12 September 2010, 23:07:37 UTC Linux 2.6.36-rc4 12 September 2010, 23:07:37 UTC
39d7093 Randy Dunlap 11 September 2010, 22:55:26 UTC docbook: skip files with no docs since they generate scary warnings Fix docbook templates that reference files that do not contain the expected kernel-doc notation. Fixes these warnings: Warning(arch/x86/include/asm/unaligned.h): no structured comments found Warning(lib/vsprintf.c): no structured comments found These cause errors in the generated html output, like below, so drop these lines. Name arch/x86/include/asm/unaligned.h - Document generation inconsistency Oops Warning The template for this document tried to insert the structured comment from the file arch/x86/include/asm/unaligned.h at this point, but none was found. This dummy section is inserted to allow generation to continue. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 September 2010, 23:49:21 UTC
eda603f Johannes Berg 11 September 2010, 22:55:22 UTC docbook: warn on unused doc entries When you don't use !E or !I but only !F, then it's very easy to miss including some functions, structs etc. in documentation. To help finding which ones were missed, allow printing out the unused ones as warnings. For example, using this on mac80211 yields a lot of warnings like this: Warning: didn't use docs for DOC: mac80211 workqueue Warning: didn't use docs for ieee80211_max_queues Warning: didn't use docs for ieee80211_bss_change Warning: didn't use docs for ieee80211_bss_conf when generating the documentation for it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 September 2010, 23:49:21 UTC
1f3a668 Johannes Berg 11 September 2010, 22:55:12 UTC kernel-doc: ignore case when stripping attributes There are valid attributes that could have upper case letters, but we still want to remove, like for example __attribute__((aligned(NETDEV_ALIGN))) as encountered in the wireless code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 September 2010, 23:49:21 UTC
84e1d83 Linus Torvalds 11 September 2010, 22:50:53 UTC Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM / Hibernate: Avoid hitting OOM during preallocation of memory PM QoS: Correct pr_debug() misuse and improve parameter checks PM: Prevent waiting forever on asynchronous resume after failing suspend 11 September 2010, 22:50:53 UTC
20f4cad Linus Torvalds 11 September 2010, 19:17:02 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] fix use-after-free in scsi_init_io() [SCSI] sd: fix medium-removal bug [SCSI] qla2xxx: Update version number to 8.03.04-k0. [SCSI] qla2xxx: Check for empty slot in request queue before posting Command type 6 request. [SCSI] qla2xxx: Cover UNDERRUN case where SCSI status is set. [SCSI] qla2xxx: Correctly set fw hung and complete only waiting mbx. [SCSI] qla2xxx: Reset seconds_since_last_heartbeat correctly. [SCSI] qla2xxx: make rport deletions explicit during vport removal [SCSI] qla2xxx: Fix vport delete issues [SCSI] sd, sym53c8xx: Remove warnings after vsprintf %pV introducation. [SCSI] Fix warning: zero-length gnu_printf format string [SCSI] hpsa: disable doorbell reset on reset_devices [SCSI] be2iscsi: Fix for Login failure [SCSI] fix bio.bi_rw handling 11 September 2010, 19:17:02 UTC
6715045 Rafael J. Wysocki 11 September 2010, 18:58:27 UTC PM / Hibernate: Avoid hitting OOM during preallocation of memory There is a problem in hibernate_preallocate_memory() that it calls preallocate_image_memory() with an argument that may be greater than the total number of available non-highmem memory pages. If that's the case, the OOM condition is guaranteed to trigger, which in turn can cause significant slowdown to occur during hibernation. To avoid that, make preallocate_image_memory() adjust its argument before calling preallocate_image_pages(), so that the total number of saveable non-highem pages left is not less than the minimum size of a hibernation image. Change hibernate_preallocate_memory() to try to allocate from highmem if the number of pages allocated by preallocate_image_memory() is too low. Modify free_unnecessary_pages() to take all possible memory allocation patterns into account. Reported-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Tested-by: M. Vefa Bicakci <bicave@superonline.com> 11 September 2010, 19:03:53 UTC
002e473 Linus Torvalds 11 September 2010, 15:06:38 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: (28 commits) ipheth: remove incorrect devtype to WWAN MAINTAINERS: Add CAIF sctp: fix test for end of loop KS8851: Correct RX packet allocation udp: add rehash on connect() net: blackhole route should always be recalculated ipv4: Suppress lockdep-RCU false positive in FIB trie (3) niu: Fix kernel buffer overflow for ETHTOOL_GRXCLSRLALL ipvs: fix active FTP gro: Re-fix different skb headrooms via-velocity: Turn scatter-gather support back off. ipv4: Fix reverse path filtering with multipath routing. UNIX: Do not loop forever at unix_autobind(). PATCH: b44 Handle RX FIFO overflow better (simplified) irda: off by one 3c59x: Fix deadlock in vortex_error() netfilter: discard overlapping IPv6 fragment ipv6: discard overlapping fragment net: fix tx queue selection for bridged devices implementing select_queue bonding: Fix jiffies overflow problems (again) ... Fix up trivial conflicts due to the same cgroup API thinko fix going through both Andrew and the networking tree. However, there were small differences between the two, with Andrew's version generally being the nicer one, and the one I merged first. So pick that one. Conflicts in: include/linux/cgroup.h and kernel/cgroup.c 11 September 2010, 15:06:38 UTC
10d90f2 Linus Torvalds 11 September 2010, 15:01:09 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: sparc: Kill all BKL usage. 11 September 2010, 15:01:09 UTC
aad1830 Linus Torvalds 11 September 2010, 14:59:49 UTC Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, tsc: Fix a preemption leak in restore_sched_clock_state() sched: Move sched_avg_update() to update_cpu_load() 11 September 2010, 14:59:49 UTC
55496c8 Peter Zijlstra 10 September 2010, 20:32:53 UTC x86, tsc: Fix a preemption leak in restore_sched_clock_state() Doh, a real life genuine preemption leak.. This caused a suspend failure. Reported-bisected-and-tested-by-the-invaluable: Jeff Chua <jeff.chua.linux@gmail.com> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Nico Schottelius <nico-linux-20100709@schottelius.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Florian Pritz <flo@xssn.at> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Len Brown <lenb@kernel.org> Cc: <stable@kernel.org> # Greg, please apply after: cd7240c ("x86, tsc, sched: Recompute cyc2ns_offset's during resume from") sleep states LKML-Reference: <1284150773.402.122.camel@laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu> 11 September 2010, 07:47:07 UTC
3e6dce7 Linus Torvalds 11 September 2010, 01:19:43 UTC Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel * 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel: drm/i915: don't enable self-refresh on Ironlake drm/i915: Double check that the wait_request is not pending before warning Revert "drm/i915: Warn if we run out of FIFO space for a mode" Revert "drm/i915: Allow LVDS on pipe A on gen4+" Revert "drm/i915: Enable RC6 on Ironlake." 11 September 2010, 01:19:43 UTC
fbc1487 Linus Torvalds 11 September 2010, 01:19:26 UTC Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs * 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: log IO completion workqueue is a high priority queue xfs: prevent reading uninitialized stack memory 11 September 2010, 01:19:26 UTC
5ee5e97 Peter Zijlstra 10 September 2010, 20:32:53 UTC x86, tsc: Fix a preemption leak in restore_sched_clock_state() A real life genuine preemption leak.. Reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 11 September 2010, 01:17:45 UTC
0109c2c mark gross 09 September 2010, 21:20:09 UTC PM QoS: Correct pr_debug() misuse and improve parameter checks Correct some pr_debug() misuse and add a stronger parameter check to pm_qos_write() for the ASCII hex value case. Thanks to Dan Carpenter for pointing out the problem! Signed-off-by: mark gross <markgross@thegnar.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> 10 September 2010, 22:53:05 UTC
51749e4 Dave Chinner 08 September 2010, 09:00:22 UTC xfs: log IO completion workqueue is a high priority queue The workqueue implementation in 2.6.36-rcX has changed, resulting in the workqueues no longer having dedicated threads for work processing. This has caused severe livelocks under heavy parallel create workloads because the log IO completions have been getting held up behind metadata IO completions. Hence log commits would stall, memory allocation would stall because pages could not be cleaned, and lock contention on the AIL during inode IO completion processing was being seen to slow everything down even further. By making the log Io completion workqueue a high priority workqueue, they are queued ahead of all data/metadata IO completions and processed before the data/metadata completions. Hence the log never gets stalled, and operations needed to clean memory can continue as quickly as possible. This avoids the livelock conditions and allos the system to keep running under heavy load as per normal. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com> 10 September 2010, 15:16:54 UTC
9aea5a6 Roland McGrath 08 September 2010, 02:37:06 UTC execve: make responsive to SIGKILL with large arguments An execve with a very large total of argument/environment strings can take a really long time in the execve system call. It runs uninterruptibly to count and copy all the strings. This change makes it abort the exec quickly if sent a SIGKILL. Note that this is the conservative change, to interrupt only for SIGKILL, by using fatal_signal_pending(). It would be perfectly correct semantics to let any signal interrupt the string-copying in execve, i.e. use signal_pending() instead of fatal_signal_pending(). We'll save that change for later, since it could have user-visible consequences, such as having a timer set too quickly make it so that an execve can never complete, though it always happened to work before. Signed-off-by: Roland McGrath <roland@redhat.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 15:10:26 UTC
7993bc1 Roland McGrath 08 September 2010, 02:36:28 UTC execve: improve interactivity with large arguments This adds a preemption point during the copying of the argument and environment strings for execve, in copy_strings(). There is already a preemption point in the count() loop, so this doesn't add any new points in the abstract sense. When the total argument+environment strings are very large, the time spent copying them can be much more than a normal user time slice. So this change improves the interactivity of the rest of the system when one process is doing an execve with very large arguments. Signed-off-by: Roland McGrath <roland@redhat.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 15:10:26 UTC
1b52818 Roland McGrath 08 September 2010, 02:35:49 UTC setup_arg_pages: diagnose excessive argument size The CONFIG_STACK_GROWSDOWN variant of setup_arg_pages() does not check the size of the argument/environment area on the stack. When it is unworkably large, shift_arg_pages() hits its BUG_ON. This is exploitable with a very large RLIMIT_STACK limit, to create a crash pretty easily. Check that the initial stack is not too large to make it possible to map in any executable. We're not checking that the actual executable (or intepreter, for binfmt_elf) will fit. So those mappings might clobber part of the initial stack mapping. But that is just userland lossage that userland made happen, not a kernel problem. Signed-off-by: Roland McGrath <roland@redhat.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 15:10:26 UTC
be6200a Linus Torvalds 10 September 2010, 15:02:45 UTC Merge branch 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm * 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Perform hardware_enable in CPU_STARTING callback KVM: i8259: fix migration KVM: fix i8259 oops when no vcpus are online KVM: x86 emulator: fix regression with cmpxchg8b on i386 hosts 10 September 2010, 15:02:45 UTC
f2955b4 Linus Torvalds 10 September 2010, 14:31:24 UTC Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: tracing: t_start: reset FTRACE_ITER_HASH in case of seek/pread perf symbols: Fix multiple initialization of symbol system perf: Fix CPU hotplug perf, trace: Fix module leak tracing/kprobe: Fix handling of C-unlike argument names tracing/kprobes: Fix handling of argument names perf probe: Fix handling of arguments names perf probe: Fix return probe support tracing/kprobe: Fix a memory leak in error case tracing: Do not allow llseek to set_ftrace_filter 10 September 2010, 14:31:24 UTC
3d96406 David Howells 10 September 2010, 08:59:51 UTC KEYS: Fix bug in keyctl_session_to_parent() if parent has no session keyring Fix a bug in keyctl_session_to_parent() whereby it tries to check the ownership of the parent process's session keyring whether or not the parent has a session keyring [CVE-2010-2960]. This results in the following oops: BUG: unable to handle kernel NULL pointer dereference at 00000000000000a0 IP: [<ffffffff811ae4dd>] keyctl_session_to_parent+0x251/0x443 ... Call Trace: [<ffffffff811ae2f3>] ? keyctl_session_to_parent+0x67/0x443 [<ffffffff8109d286>] ? __do_fault+0x24b/0x3d0 [<ffffffff811af98c>] sys_keyctl+0xb4/0xb8 [<ffffffff81001eab>] system_call_fastpath+0x16/0x1b if the parent process has no session keyring. If the system is using pam_keyinit then it mostly protected against this as all processes derived from a login will have inherited the session keyring created by pam_keyinit during the log in procedure. To test this, pam_keyinit calls need to be commented out in /etc/pam.d/. Reported-by: Tavis Ormandy <taviso@cmpxchg8b.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Tavis Ormandy <taviso@cmpxchg8b.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 14:30:00 UTC
9d1ac65 David Howells 10 September 2010, 08:59:46 UTC KEYS: Fix RCU no-lock warning in keyctl_session_to_parent() There's an protected access to the parent process's credentials in the middle of keyctl_session_to_parent(). This results in the following RCU warning: =================================================== [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- security/keys/keyctl.c:1291 invoked rcu_dereference_check() without protection! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 0 1 lock held by keyctl-session-/2137: #0: (tasklist_lock){.+.+..}, at: [<ffffffff811ae2ec>] keyctl_session_to_parent+0x60/0x236 stack backtrace: Pid: 2137, comm: keyctl-session- Not tainted 2.6.36-rc2-cachefs+ #1 Call Trace: [<ffffffff8105606a>] lockdep_rcu_dereference+0xaa/0xb3 [<ffffffff811ae379>] keyctl_session_to_parent+0xed/0x236 [<ffffffff811af77e>] sys_keyctl+0xb4/0xb6 [<ffffffff81001eab>] system_call_fastpath+0x16/0x1b The code should take the RCU read lock to make sure the parents credentials don't go away, even though it's holding a spinlock and has IRQ disabled. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 14:30:00 UTC
ff3cb3f Linus Torvalds 10 September 2010, 14:26:27 UTC Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block * 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: Range check cpu in blk_cpu_to_group scatterlist: prevent invalid free when alloc fails writeback: Fix lost wake-up shutting down writeback thread writeback: do not lose wakeup events when forking bdi threads cciss: fix reporting of max queue depth since init block: switch s390 tape_block and mg_disk to elevator_change() block: add function call to switch the IO scheduler from a driver fs/bio-integrity.c: return -ENOMEM on kmalloc failure bio-integrity.c: remove dependency on __GFP_NOFAIL BLOCK: fix bio.bi_rw handling block: put dev->kobj in blk_register_queue fail path cciss: handle allocation failure cfq-iosched: Documentation help for new tunables cfq-iosched: blktrace print per slice sector stats cfq-iosched: Implement tunable group_idle cfq-iosched: Do group share accounting in IOPS when slice_idle=0 cfq-iosched: Do not idle if slice_idle=0 cciss: disable doorbell reset on reset_devices blkio: Fix return code for mkdir calls 10 September 2010, 14:26:27 UTC
6ccaa31 Linus Torvalds 10 September 2010, 14:24:51 UTC Merge branch 'at91-fixes-for-linus' of git://github.com/at91linux/linux-2.6-at91 * 'at91-fixes-for-linus' of git://github.com/at91linux/linux-2.6-at91: AT91: at91sam9261ek: remove C99 comments but keep information AT91: at91sam9261ek board: remove warnings related to use of SPI or SD/MMC AT91: dm9000 initialization update AT91: SAM9G45 - add a separate clock entry for every single TC block AT91: clock: peripheral clocks can have other parent than mck AT91: change dma resource index 10 September 2010, 14:24:51 UTC
3657423 Linus Torvalds 10 September 2010, 14:23:45 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: rawmidi: fix the get next midi device ioctl ALSA: hda - Fix wrong HP pin detection in snd_hda_parse_pin_def_config() ALSA: seq/oss - Fix double-free at error path of snd_seq_oss_open() ALSA: msnd-classic: Fix invalid cfg parameter ALSA: hda - Enable PC-beep for EeePC with ALC269 codec ALSA: hda - Add errata initverb sequence for CS42xx codecs ALSA: usb - Release capture substream URBs properly ALSA: virtuoso: fix setting of Xonar DS line-in/mic-in controls ALSA: virtuoso: work around missing reset in the Xonar DS Windows driver ALSA: hda - Add quirk for Lenovo T400s ALSA: usb-audio: fix detection of vendor-specific device protocol settings ALSA: usb-audio: Assume first control interface is for audio ALSA: hda - Add a new hp-laptop model for Conexant 5066, tested on HP G60 10 September 2010, 14:23:45 UTC
dd8849c Jesse Barnes 09 September 2010, 18:58:02 UTC drm/i915: don't enable self-refresh on Ironlake We don't know how to enable it safely, especially as outputs turn on and off. When disabling LP1 we also need to make sure LP2 and 3 are already disabled. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29173 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29082 Reported-by: Chris Lord <chris@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Tested-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@kernel.org Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> 10 September 2010, 14:11:43 UTC
a122eb2 Dan Rosenberg 06 September 2010, 22:24:57 UTC xfs: prevent reading uninitialized stack memory The XFS_IOC_FSGETXATTR ioctl allows unprivileged users to read 12 bytes of uninitialized stack memory, because the fsxattr struct declared on the stack in xfs_ioc_fsgetxattr() does not alter (or zero) the 12-byte fsx_pad member before copying it back to the user. This patch takes care of it. Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Alex Elder <aelder@sgi.com> 10 September 2010, 12:39:28 UTC
4deb22a Nicolas Ferre 10 September 2010, 12:36:06 UTC AT91: at91sam9261ek: remove C99 comments but keep information Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> 10 September 2010, 12:36:06 UTC
64d72bb Nicolas Ferre 10 September 2010, 09:26:42 UTC AT91: at91sam9261ek board: remove warnings related to use of SPI or SD/MMC The sd/mmc data structure is not used if SPI is selected. The configuration of PIO on the board prevent from using both interfaces at the same time (board dependent). Remove the warnings at compilation time adding a preprocessor condition. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> 10 September 2010, 10:00:56 UTC
1879c45 Nicolas Ferre 10 September 2010, 09:38:43 UTC AT91: dm9000 initialization update Add information in dm9000 mac/phy chip initialization: - irq resource details - platform data details Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> 10 September 2010, 09:39:23 UTC
be14eb6 Brian King 10 September 2010, 07:03:21 UTC block: Range check cpu in blk_cpu_to_group While testing CPU DLPAR, the following problem was discovered. We were DLPAR removing the first CPU, which in this case was logical CPUs 0-3. CPUs 0-2 were already marked offline and we were in the process of offlining CPU 3. After marking the CPU inactive and offline in cpu_disable, but before the cpu was completely idle (cpu_die), we ended up in __make_request on CPU 3. There we looked at the topology map to see which CPU to complete the I/O on and found no CPUs in the cpu_sibling_map. This resulted in the block layer setting the completion cpu to be NR_CPUS, which then caused an oops when we tried to complete the I/O. Fix this by sanity checking the value we return from blk_cpu_to_group to be a valid cpu value. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com> 10 September 2010, 07:03:21 UTC
5431427 Takashi Iwai 10 September 2010, 06:27:00 UTC Merge branch 'fix/hda' into for-linus 10 September 2010, 06:27:00 UTC
9efdda3 Ingo Molnar 10 September 2010, 06:05:34 UTC Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent 10 September 2010, 06:05:34 UTC
e1d4e08 Ingo Molnar 10 September 2010, 05:34:14 UTC Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/urgent 10 September 2010, 05:34:14 UTC
053d8f6 David S. Miller 10 September 2010, 04:59:51 UTC Merge branch 'vhost-net' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost 10 September 2010, 04:59:51 UTC
c9cedbb Dan Williams 08 September 2010, 07:50:47 UTC ipheth: remove incorrect devtype to WWAN The 'wwan' devtype is meant for devices that require preconfiguration and *every* time setup before the ethernet interface can be used, like cellular modems which require a series of setup commands on serial ports or other mechanisms before the ethernet interface will handle packets. As ipheth only requires one-per-hotplug pairing setup with no preconfiguration (like APN, phone #, etc) and the network interface is usable at any time after that initial setup, remove the incorrect devtype wwan. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> 10 September 2010, 04:41:59 UTC
201b6ba Joe Perches 07 September 2010, 20:33:24 UTC MAINTAINERS: Add CAIF Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net> 10 September 2010, 04:41:59 UTC
df423dc Linus Torvalds 10 September 2010, 03:28:19 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-sff: Reenable Port Multiplier after libata-sff remodeling. libata: skip EH autopsy and recovery during suspend ahci: AHCI and RAID mode SATA patch for Intel Patsburg DeviceIDs ata_piix: IDE Mode SATA patch for Intel Patsburg DeviceIDs libata,pata_via: revert ata_wait_idle() removal from ata_sff/via_tf_load() ahci: fix hang on failed softreset pata_artop: Fix device ID parity check 10 September 2010, 03:28:19 UTC
df09162 Chris Wright 09 September 2010, 23:34:59 UTC tracing: t_start: reset FTRACE_ITER_HASH in case of seek/pread Be sure to avoid entering t_show() with FTRACE_ITER_HASH set without having properly started the iterator to iterate the hash. This case is degenerate and, as discovered by Robert Swiecki, can cause t_hash_show() to misuse a pointer. This causes a NULL ptr deref with possible security implications. Tracked as CVE-2010-3079. Cc: Robert Swiecki <swiecki@google.com> Cc: Eugene Teo <eugene@redhat.com> Cc: <stable@kernel.org> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> 10 September 2010, 02:43:49 UTC
ea3c645 Gwendal Grignou 31 August 2010, 23:20:36 UTC libata-sff: Reenable Port Multiplier after libata-sff remodeling. Keep track of the link on the which the current request is in progress. It allows support of links behind port multiplier. Not all libata-sff is PMP compliant. Code for native BMDMA controller does not take in accound PMP. Tested on Marvell 7042 and Sil7526. Signed-off-by: Gwendal Grignou <gwendal@google.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com> 10 September 2010, 02:31:55 UTC
e2f3d75 Tejun Heo 07 September 2010, 12:05:31 UTC libata: skip EH autopsy and recovery during suspend For some mysterious reason, certain hardware reacts badly to usual EH actions while the system is going for suspend. As the devices won't be needed until the system is resumed, ask EH to skip usual autopsy and recovery and proceed directly to suspend. Signed-off-by: Tejun Heo <tj@kernel.org> Tested-by: Stephan Diestelhorst <stephan.diestelhorst@amd.com> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@redhat.com> 10 September 2010, 02:27:59 UTC
992b3fb Seth Heasley 09 September 2010, 16:44:56 UTC ahci: AHCI and RAID mode SATA patch for Intel Patsburg DeviceIDs This patch adds the Intel Patsburg (PCH) SATA AHCI and RAID Controller DeviceIDs. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com> 10 September 2010, 02:27:55 UTC
238e149 Seth Heasley 09 September 2010, 16:42:40 UTC ata_piix: IDE Mode SATA patch for Intel Patsburg DeviceIDs This patch adds the Intel Patsburg (PCH) IDE mode SATA Controller DeviceIDs. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com> 10 September 2010, 02:27:48 UTC
40c6023 Tejun Heo 09 September 2010, 15:13:31 UTC libata,pata_via: revert ata_wait_idle() removal from ata_sff/via_tf_load() Commit 978c0666 (libata: Remove excess delay in the tf_load path) removed ata_wait_idle() from ata_sff_tf_load() and via_tf_load(). This caused obscure detection problems in sata_sil. https://bugzilla.kernel.org/show_bug.cgi?id=16606 The commit was pure performance optimization. Revert it for now. Reported-by: Dieter Plaetinck <dieter@plaetinck.be> Reported-by: Jan Beulich <JBeulich@novell.com> Bisected-by: gianluca <gianluca@sottospazio.it> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@redhat.com> 10 September 2010, 02:27:44 UTC
eee743f Jorge Boncompte [DTI2] 09 September 2010, 23:38:19 UTC minix: fix regression in minix_mkdir() Commit 9eed1fb721c ("minix: replace inode uid,gid,mode init with helper") broke directory creation on minix filesystems. Fix it by passing the needed mode flag to inode init helper. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Cc: Dmitry Monakhov <dmonakhov@openvz.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <stable@kernel.org> [2.6.35.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
9ee493c Mel Gorman 09 September 2010, 23:38:18 UTC mm: page allocator: drain per-cpu lists after direct reclaim allocation fails When under significant memory pressure, a process enters direct reclaim and immediately afterwards tries to allocate a page. If it fails and no further progress is made, it's possible the system will go OOM. However, on systems with large amounts of memory, it's possible that a significant number of pages are on per-cpu lists and inaccessible to the calling process. This leads to a process entering direct reclaim more often than it should increasing the pressure on the system and compounding the problem. This patch notes that if direct reclaim is making progress but allocations are still failing that the system is already under heavy pressure. In this case, it drains the per-cpu lists and tries the allocation a second time before continuing. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Reviewed-by: Minchan Kim <minchan.kim@gmail.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: Christoph Lameter <cl@linux.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
aa45484 Christoph Lameter 09 September 2010, 23:38:17 UTC mm: page allocator: calculate a better estimate of NR_FREE_PAGES when memory is low and kswapd is awake Ordinarily watermark checks are based on the vmstat NR_FREE_PAGES as it is cheaper than scanning a number of lists. To avoid synchronization overhead, counter deltas are maintained on a per-cpu basis and drained both periodically and when the delta is above a threshold. On large CPU systems, the difference between the estimated and real value of NR_FREE_PAGES can be very high. If NR_FREE_PAGES is much higher than number of real free page in buddy, the VM can allocate pages below min watermark, at worst reducing the real number of pages to zero. Even if the OOM killer kills some victim for freeing memory, it may not free memory if the exit path requires a new page resulting in livelock. This patch introduces a zone_page_state_snapshot() function (courtesy of Christoph) that takes a slightly more accurate view of an arbitrary vmstat counter. It is used to read NR_FREE_PAGES while kswapd is awake to avoid the watermark being accidentally broken. The estimate is not perfect and may result in cache line bounces but is expected to be lighter than the IPI calls necessary to continually drain the per-cpu counters while kswapd is awake. Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
72853e2 Mel Gorman 09 September 2010, 23:38:16 UTC mm: page allocator: update free page counters after pages are placed on the free list When allocating a page, the system uses NR_FREE_PAGES counters to determine if watermarks would remain intact after the allocation was made. This check is made without interrupts disabled or the zone lock held and so is race-prone by nature. Unfortunately, when pages are being freed in batch, the counters are updated before the pages are added on the list. During this window, the counters are misleading as the pages do not exist yet. When under significant pressure on systems with large numbers of CPUs, it's possible for processes to make progress even though they should have been stalled. This is particularly problematic if a number of the processes are using GFP_ATOMIC as the min watermark can be accidentally breached and in extreme cases, the system can livelock. This patch updates the counters after the pages have been added to the list. This makes the allocator more cautious with respect to preserving the watermarks and mitigates livelock possibilities. [akpm@linux-foundation.org: avoid modifying incoming args] Signed-off-by: Mel Gorman <mel@csn.ul.ie> Reviewed-by: Rik van Riel <riel@redhat.com> Reviewed-by: Minchan Kim <minchan.kim@gmail.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Christoph Lameter <cl@linux.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
5ee28a4 KAMEZAWA Hiroyuki 09 September 2010, 23:38:14 UTC vmstat: update zone stat threshold when onlining a cpu refresh_zone_stat_thresholds() calculates parameter based on the number of online cpus. It's called at cpu offlining but needs to be called at onlining, too. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Christoph Lameter <cl@linux-foundation.org> Acked-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
3ab04d5 James Bottomley 09 September 2010, 23:38:12 UTC vfs: take O_NONBLOCK out of the O_* uniqueness test O_NONBLOCK on parisc has a dual value: #define O_NONBLOCK 000200004 /* HPUX has separate NDELAY & NONBLOCK */ It is caught by the O_* bits uniqueness check and leads to a parisc compile error. The fix would be to take O_NONBLOCK out. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de> Cc: Jamie Lokier <jamie@shareable.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
3399446 Hugh Dickins 09 September 2010, 23:38:11 UTC swap: discard while swapping only if SWAP_FLAG_DISCARD Tests with recent firmware on Intel X25-M 80GB and OCZ Vertex 60GB SSDs show a shift since I last tested in December: in part because of firmware updates, in part because of the necessary move from barriers to awaiting completion at the block layer. While discard at swapon still shows as slightly beneficial on both, discarding 1MB swap cluster when allocating is now disadvanteous: adds 25% overhead on Intel, adds 230% on OCZ (YMMV). Surrender: discard as presently implemented is more hindrance than help for swap; but might prove useful on other devices, or with improvements. So continue to do the discard at swapon, but make discard while swapping conditional on a SWAP_FLAG_DISCARD to sys_swapon() (which has been using only the lower 16 bits of int flags). We can add a --discard or -d to swapon(8), and a "discard" to swap in /etc/fstab: matching the mount option for btrfs, ext4, fat, gfs2, nilfs2. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Nigel Cunningham <nigel@tuxonice.net> Cc: Tejun Heo <tj@kernel.org> Cc: Jens Axboe <jaxboe@fusionio.com> Cc: James Bottomley <James.Bottomley@hansenpartnership.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
8f2ae0f Christoph Hellwig 09 September 2010, 23:38:10 UTC swap: do not send discards as barriers The swap code already uses synchronous discards, no need to add I/O barriers. This fixes the worst of the terrible slowdown in swap allocation for hibernation, reported on 2.6.35 by Nigel Cunningham; but does not entirely eliminate that regression. [tj@kernel.org: superflous newlines removed] Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Nigel Cunningham <nigel@tuxonice.net> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Jens Axboe <jaxboe@fusionio.com> Cc: James Bottomley <James.Bottomley@hansenpartnership.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
b73d7fc Hugh Dickins 09 September 2010, 23:38:09 UTC swap: prevent reuse during hibernation Move the hibernation check from scan_swap_map() into try_to_free_swap(): to catch not only the common case when hibernation's allocation itself triggers swap reuse, but also the less likely case when concurrent page reclaim (shrink_page_list) might happen to try_to_free_swap from a page. Hibernation already clears __GFP_IO from the gfp_allowed_mask, to stop reclaim from going to swap: check that to prevent swap reuse too. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Ondrej Zary <linux@rainbow-software.org> Cc: Andrea Gelmini <andrea.gelmini@gmail.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Nigel Cunningham <nigel@tuxonice.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
910321e Hugh Dickins 09 September 2010, 23:38:07 UTC swap: revert special hibernation allocation Please revert 2.6.36-rc commit d2997b1042ec150616c1963b5e5e919ffd0b0ebf "hibernation: freeze swap at hibernation". It complicated matters by adding a second swap allocation path, just for hibernation; without in any way fixing the issue that it was intended to address - page reclaim after fixing the hibernation image might free swap from a page already imaged as swapcache, letting its swap be reallocated to store a different page of the image: resulting in data corruption if the imaged page were freed as clean then swapped back in. Pages freed to si->swap_map were still in danger of being reallocated by the alternative allocation path. I guess it inadvertently fixed slow SSD swap allocation for hibernation, as reported by Nigel Cunningham: by missing out the discards that occur on the usual swap allocation path; but that was unintentional, and needs a separate fix. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Ondrej Zary <linux@rainbow-software.org> Cc: Andrea Gelmini <andrea.gelmini@gmail.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Nigel Cunningham <nigel@tuxonice.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
ac8456d Gary King 09 September 2010, 23:38:05 UTC bounce: call flush_dcache_page() after bounce_copy_vec() I have been seeing problems on Tegra 2 (ARMv7 SMP) systems with HIGHMEM enabled on 2.6.35 (plus some patches targetted at 2.6.36 to perform cache maintenance lazily), and the root cause appears to be that the mm bouncing code is calling flush_dcache_page before it copies the bounce buffer into the bio. The bounced page needs to be flushed after data is copied into it, to ensure that architecture implementations can synchronize instruction and data caches if necessary. Signed-off-by: Gary King <gking@nvidia.com> Cc: Tejun Heo <tj@kernel.org> Cc: Russell King <rmk@arm.linux.org.uk> Acked-by: Jens Axboe <axboe@kernel.dk> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 September 2010, 01:57:25 UTC
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