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  1. 03 Jan, 2006 4 commits
    • Zach Brown's avatar
      [PATCH] add AOP_TRUNCATED_PAGE, prepend AOP_ to WRITEPAGE_ACTIVATE · 994fc28c
      Zach Brown authored 
      readpage(), prepare_write(), and commit_write() callers are updated to
understand the special return code AOP_TRUNCATED_PAGE in the style of
writepage() and WRITEPAGE_ACTIVATE.  AOP_TRUNCATED_PAGE tells the caller that
the callee has unlocked the page and that the operation should be tried again
with a new page.  OCFS2 uses this to detect and work around a lock inversion in
its aop methods.  There should be no change in behaviour for methods that don't
return AOP_TRUNCATED_PAGE.

WRITEPAGE_ACTIVATE is also prepended with AOP_ for consistency and they are
made enums so that kerneldoc can be used to document their semantics.
Signed-off-by: default avatarZach Brown <zach.brown@oracle.com>
      994fc28c
    • Joel Becker's avatar
      [PATCH] configfs: User-driven configuration filesystem · 7063fbf2
      Joel Becker authored 
      Configfs, a file system for userspace-driven kernel object configuration.
The OCFS2 stack makes extensive use of this for propagation of cluster
configuration information into kernel.
Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
      7063fbf2
    • Linus Torvalds's avatar
      Linux v2.6.15 · 88026842
      Linus Torvalds authored 
      Hey, it's fifteen years today since I bought the machine that got Linux
started.  January 2nd is a good date.
      88026842
    • Andi Kleen's avatar
      [PATCH] Make sure interleave masks have at least one node set · 8f493d79
      Andi Kleen authored 
      Otherwise a bad mem policy system call can confuse the interleaving
code into referencing undefined nodes.

Originally reported by Doug Chapman

I was told it's CVE-2005-3358
(one has to love these security people - they make everything sound important)
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      8f493d79
  3. 02 Jan, 2006 2 commits
    • Dag-Erling Smrgrav's avatar
      [PATCH] Avoid namespace pollution in <asm/param.h> · abe842eb
      Dag-Erling Smrgrav authored 
      In commit 3D59121003721a8fad11ee72e646fd9d3076b5679c, the x86 and x86-64
<asm/param.h> was changed to include <linux/config.h> for the
configurable timer frequency.

However, asm/param.h is sometimes used in userland (it is included
indirectly from <sys/param.h>), so your commit pollutes the userland
namespace with tons of CONFIG_FOO macros.  This greatly confuses
software packages (such as BusyBox) which use CONFIG_FOO macros
themselves to control the inclusion of optional features.

After a short exchange, Christoph approved this patch
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      abe842eb
    • Benjamin Herrenschmidt's avatar
      [PATCH] powerpc: more g5 overtemp problem fix · f12f4d90
      Benjamin Herrenschmidt authored 
      Some G5s still occasionally experience shutdowns due to overtemp
conditions despite the recent fix. After analyzing logs from such
machines, it appears that the overtemp code is a bit too quick at
shutting the machine down when reaching the critical temperature (tmax +
8) and doesn't leave the fan enough time to actually cool it down. This
happens if the temperature of a CPU suddenly rises too high in a very
short period of time, or occasionally on boot (that is the CPUs are
already overtemp by the time the driver loads).

This patches makes the code a bit more relaxed, leaving a few seconds to
the fans to do their job before kicking the machine shutown.
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      f12f4d90
  5. 01 Jan, 2006 2 commits
  7. 31 Dec, 2005 3 commits
    • Linus Torvalds's avatar
      Merge master.kernel.org:/home/rmk/linux-2.6-serial · 35f349ee
      Linus Torvalds authored
      35f349ee
    • Yi Yang's avatar
      [PATCH] Fix false old value return of sysctl · 82c9df82
      Yi Yang authored 
      For the sysctl syscall, if the user wants to get the old value of a
sysctl entry and set a new value for it in the same syscall, the old
value is always overwritten by the new value if the sysctl entry is of
string type and if the user sets its strategy to sysctl_string.  This
issue lies in the strategy being run twice if the strategy is set to
sysctl_string, the general strategy sysctl_string always returns 0 if
success.

Such strategy routines as sysctl_jiffies and sysctl_jiffies_ms return 1
because they do read and write for the sysctl entry.

The strategy routine sysctl_string return 0 although it actually read
and write the sysctl entry.

According to my analysis, if a strategy routine do read and write, it
should return 1, if it just does some necessary check but not read and
write, it should return 0, for example sysctl_intvec.
Signed-off-by: default avatarYi Yang <yang.y.yi@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      82c9df82
    • Linus Torvalds's avatar
      sysctl: don't overflow the user-supplied buffer with '\0' · 8febdd85
      Linus Torvalds authored 
      If the string was too long to fit in the user-supplied buffer,
the sysctl layer would zero-terminate it by writing past the
end of the buffer. Don't do that.

Noticed by Yi Yang <yang.y.yi@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      8febdd85
  9. 30 Dec, 2005 5 commits
  11. 29 Dec, 2005 14 commits
  13. 28 Dec, 2005 6 commits
  15. 27 Dec, 2005 4 commits
    • David L Stevens's avatar
      [IPV6] mcast: Fix multiple issues in MLDv2 reports. · 5ab4a6c8
      David L Stevens authored 
      The below "jumbo" patch fixes the following problems in MLDv2.

1) Add necessary "ntohs" to recent "pskb_may_pull" check [breaks
        all nonzero source queries on little-endian (!)]

2) Add locking to source filter list [resend of prior patch]

3) fix "mld_marksources()" to
        a) send nothing when all queried sources are excluded
        b) send full exclude report when source queried sources are
                not excluded
        c) don't schedule a timer when there's nothing to report

NOTE: RFC 3810 specifies the source list should be saved and each
  source reported individually as an IS_IN. This is an obvious DOS
  path, requiring the host to store and then multicast as many sources
  as are queried (e.g., millions...). This alternative sends a full, 
  relevant report that's limited to number of sources present on the
  machine.

4) fix "add_grec()" to send empty-source records when it should
        The original check doesn't account for a non-empty source
        list with all sources inactive; the new code keeps that
        short-circuit case, and also generates the group header
        with an empty list if needed.

5) fix mca_crcount decrement to be after add_grec(), which needs
        its original value

These issues (other than item #1 ;-) ) were all found by Yan Zheng,
much thanks!
Signed-off-by: default avatarDavid L Stevens <dlstevens@us.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      5ab4a6c8
    • David S. Miller's avatar
      [NET]: Validate socket filters against BPF_MAXINSNS in one spot. · 1b93ae64
      David S. Miller authored 
      Currently the checks are scattered all over and this leads
to inconsistencies and even cases where the check is not made.

Based upon a patch from Kris Katterjohn.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      1b93ae64
    • YOSHIFUJI Hideaki's avatar
      [IPV6]: Fix addrconf dead lock. · 6732bade
      YOSHIFUJI Hideaki authored 
      We need to release idev->lcok before we call addrconf_dad_stop().
It calls ipv6_addr_del(), which will hold idev->lock.

Bug spotted by Yasuyuki KOZAKAI <yasuyuki.kozakai@toshiba.co.jp>.
Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      6732bade
    • Russell King's avatar
      [SERIAL] Fix AMBA PL011 sysrq character handling · a710ce08
      Russell King authored 
      We only want the received character without the status bits for
sysrq handling.
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
      a710ce08
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