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Author SHA1 Message Date
Linas Vepstas 98fb103694 Hexagon: Support dynamic module loading. 
Modules should be compiled as ordinary .o's; shared objects are not
supported.

Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Linas Vepstas b39e293e1d Hexagon: Export ksyms defined in assembly files. 
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo e49ee2906c Hexagon: Add hypervisor interface 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo c150290df4 Hexagon: Add memcpy and memset accelerated functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 075a46a049 Hexagon: Add checksum functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo b7840983e8 Hexagon: Add delay functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 52f710249e Hexagon: Add threadinfo 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 99a70aa051 Hexagon: Add processor and system headers 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo b9398a8459 Hexagon: Add syscalls 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 750850189b Hexagon: Add atomic ops support 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo a86a7ce30a Hexagon: Add bitops support 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 8feca0e182 Hexagon: Core arch-specific header files 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo cd8e65fb96 Hexagon: Add generic headers 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Linus Torvalds c3b92c8787 Linux 3.1 2011-10-24 09:10:05 +02:00
Linus Torvalds 6a0596583f Merge git://git.infradead.org/iommu-2.6 
* git://git.infradead.org/iommu-2.6:
  intel-iommu: fix superpage support in pfn_to_dma_pte()
  intel-iommu: set iommu_superpage on VM domains to lowest common denominator
  intel-iommu: fix return value of iommu_unmap() API
  MAINTAINERS: Update VT-d entry for drivers/pci -> drivers/iommu move
  intel-iommu: Export a flag indicating that the IOMMU is used for iGFX.
  intel-iommu: Workaround IOTLB hang on Ironlake GPU
  intel-iommu: Fix AB-BA lockdep report
 2011-10-24 07:08:24 +02:00
Linus Torvalds 15cc910112 Merge branch 'for-linus' of http://people.redhat.com/agk/git/linux-dm 
* 'for-linus' of http://people.redhat.com/agk/git/linux-dm:
  dm kcopyd: fix job_pool leak
 2011-10-24 07:05:38 +02:00
Takashi Iwai 8548c84da2 x86: Fix S4 regression 
Commit 4b239f458 ("x86-64, mm: Put early page table high") causes a S4
regression since 2.6.39, namely the machine reboots occasionally at S4
resume.  It doesn't happen always, overall rate is about 1/20.  But,
like other bugs, once when this happens, it continues to happen.

This patch fixes the problem by essentially reverting the memory
assignment in the older way.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: <stable@kernel.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Yinghai Lu <yinghai.lu@oracle.com>
[ We'll hopefully find the real fix, but that's too late for 3.1 now ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-10-24 06:55:20 +02:00
Alasdair G Kergon d136f2efdf dm kcopyd: fix job_pool leak 
Fix memory leak introduced by commit a6e50b409d
(dm snapshot: skip reading origin when overwriting complete chunk).

When allocating a set of jobs from kc->job_pool, job->master_job must be
set (to point to itself) so that the mempool item gets freed when the
master_job completes.

master_job was introduced by commit c6ea41fbbe
(dm kcopyd: preallocate sub jobs to avoid deadlock)

Reported-by: Michael Leun <ml@newton.leun.net>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
 2011-10-23 20:55:17 +01:00
Linus Torvalds 1bf1aacedc Merge branch 'samsung-fixes-4' of git://github.com/kgene/linux-samsung 
* 'samsung-fixes-4' of git://github.com/kgene/linux-samsung:
  ARM: S3C24XX: Fix s3c24xx build errors if !CONFIG_PM
  ARM: S5P: fix offset calculation on gpio-interrupt
 2011-10-23 10:44:40 +03:00
Linus Torvalds 5117cc25fd Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging 
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (w83627ehf) Fix negative 8-bit temperature values
 2011-10-23 10:43:31 +03:00
Domenico Andreoli fb630b9fc9 ARM: S3C24XX: Fix s3c24xx build errors if !CONFIG_PM 
v2:
- register_syscore_ops(&s3c24xx_irq_syscore_ops) does not need to be
  conditionally compiled out, it is already optimized out on !CONFIG_PM
- fix also s3c2412 and s3c2416 affected by the same build issue

v1:
s3c2440.c fails to build if !CONFIG_PM because in such case
s3c2410_pm_syscore_ops is not defined. Same error should happen also
in s3c2410.c and s3c2442.c

Signed-off-by: Domenico Andreoli <cavokz@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
 2011-10-22 04:00:53 +09:00
Linus Torvalds 2efd7c0fdc Merge git://github.com/herbertx/crypto 
* git://github.com/herbertx/crypto:
  crypto: ghash - Avoid null pointer dereference if no key is set
 2011-10-21 17:02:18 +03:00
Linus Torvalds 62ddc0046e Merge branch 'fix/hda' of git://github.com/tiwai/sound 
* 'fix/hda' of git://github.com/tiwai/sound:
  ALSA: HDA: conexant support for Lenovo T520/W520
  ALSA: hda - Add position_fix quirk for Dell Inspiron 1010
 2011-10-21 17:01:21 +03:00
Nick Bowler 7ed47b7d14 crypto: ghash - Avoid null pointer dereference if no key is set 
The ghash_update function passes a pointer to gf128mul_4k_lle which will
be NULL if ghash_setkey is not called or if the most recent call to
ghash_setkey failed to allocate memory.  This causes an oops.  Fix this
up by returning an error code in the null case.

This is trivially triggered from unprivileged userspace through the
AF_ALG interface by simply writing to the socket without setting a key.

The ghash_final function has a similar issue, but triggering it requires
a memory allocation failure in ghash_setkey _after_ at least one
successful call to ghash_update.

  BUG: unable to handle kernel NULL pointer dereference at 00000670
  IP: [<d88c92d4>] gf128mul_4k_lle+0x23/0x60 [gf128mul]
  *pde = 00000000
  Oops: 0000 [#1] PREEMPT SMP
  Modules linked in: ghash_generic gf128mul algif_hash af_alg nfs lockd nfs_acl sunrpc bridge ipv6 stp llc

  Pid: 1502, comm: hashatron Tainted: G        W   3.1.0-rc9-00085-ge9308cf #32 Bochs Bochs
  EIP: 0060:[<d88c92d4>] EFLAGS: 00000202 CPU: 0
  EIP is at gf128mul_4k_lle+0x23/0x60 [gf128mul]
  EAX: d69db1f0 EBX: d6b8ddac ECX: 00000004 EDX: 00000000
  ESI: 00000670 EDI: d6b8ddac EBP: d6b8ddc8 ESP: d6b8dda4
   DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
  Process hashatron (pid: 1502, ti=d6b8c000 task=d6810000 task.ti=d6b8c000)
  Stack:
   00000000 d69db1f0 00000163 00000000 d6b8ddc8 c101a520 d69db1f0 d52aa000
   00000ff0 d6b8dde8 d88d310f d6b8a3f8 d52aa000 00001000 d88d502c d6b8ddfc
   00001000 d6b8ddf4 c11676ed d69db1e8 d6b8de24 c11679ad d52aa000 00000000
  Call Trace:
   [<c101a520>] ? kmap_atomic_prot+0x37/0xa6
   [<d88d310f>] ghash_update+0x85/0xbe [ghash_generic]
   [<c11676ed>] crypto_shash_update+0x18/0x1b
   [<c11679ad>] shash_ahash_update+0x22/0x36
   [<c11679cc>] shash_async_update+0xb/0xd
   [<d88ce0ba>] hash_sendpage+0xba/0xf2 [algif_hash]
   [<c121b24c>] kernel_sendpage+0x39/0x4e
   [<d88ce000>] ? 0xd88cdfff
   [<c121b298>] sock_sendpage+0x37/0x3e
   [<c121b261>] ? kernel_sendpage+0x4e/0x4e
   [<c10b4dbc>] pipe_to_sendpage+0x56/0x61
   [<c10b4e1f>] splice_from_pipe_feed+0x58/0xcd
   [<c10b4d66>] ? splice_from_pipe_begin+0x10/0x10
   [<c10b51f5>] __splice_from_pipe+0x36/0x55
   [<c10b4d66>] ? splice_from_pipe_begin+0x10/0x10
   [<c10b6383>] splice_from_pipe+0x51/0x64
   [<c10b63c2>] ? default_file_splice_write+0x2c/0x2c
   [<c10b63d5>] generic_splice_sendpage+0x13/0x15
   [<c10b4d66>] ? splice_from_pipe_begin+0x10/0x10
   [<c10b527f>] do_splice_from+0x5d/0x67
   [<c10b6865>] sys_splice+0x2bf/0x363
   [<c129373b>] ? sysenter_exit+0xf/0x16
   [<c104dc1e>] ? trace_hardirqs_on_caller+0x10e/0x13f
   [<c129370c>] sysenter_do_call+0x12/0x32
  Code: 83 c4 0c 5b 5e 5f c9 c3 55 b9 04 00 00 00 89 e5 57 8d 7d e4 56 53 8d 5d e4 83 ec 18 89 45 e0 89 55 dc 0f b6 70 0f c1 e6 04 01 d6 <f3> a5 be 0f 00 00 00 4e 89 d8 e8 48 ff ff ff 8b 45 e0 89 da 0f
  EIP: [<d88c92d4>] gf128mul_4k_lle+0x23/0x60 [gf128mul] SS:ESP 0068:d6b8dda4
  CR2: 0000000000000670
  ---[ end trace 4eaa2a86a8e2da24 ]---
  note: hashatron[1502] exited with preempt_count 1
  BUG: scheduling while atomic: hashatron/1502/0x10000002
  INFO: lockdep is turned off.
  [...]

Signed-off-by: Nick Bowler <nbowler@elliptictech.com>
Cc: stable@kernel.org [2.6.37+]
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2011-10-21 13:18:42 +02:00
Marek Szyprowski 1052cff317 ARM: S5P: fix offset calculation on gpio-interrupt 
Offsets of the irq controller registers were calculated
correctly only for first GPIO bank. This patch fixes
calculation of the register offsets for all GPIO banks.

Reported-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
 2011-10-21 18:05:02 +09:00