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  1. 08 Jul, 2008 18 commits
  2. 12 Jun, 2008 1 commit
    • Ingo Molnar's avatar
      Revert "x86: fix ioapic bug again" · 0b6a39f7
      Ingo Molnar authored
      This reverts commit 6e908947.
      
      Németh Márton reported:
      
      | there is a problem in 2.6.26-rc3 which was not there in case of
      | 2.6.25: the CPU wakes up ~90,000 times per sec instead of ~60 per sec.
      |
      | I also "git bisected" the problem, the result is:
      |
      | 6e908947 is first bad commit
      | commit 6e908947
      | Author: Ingo Molnar <mingo@elte.hu>
      | Date:   Fri Mar 21 14:32:36 2008 +0100
      |
      |     x86: fix ioapic bug again
      
      the original problem is fixed by Maciej W. Rozycki in the tip/x86/apic
      branch (confirmed by Márton), but those changes are too intrusive for
      v2.6.26 so we'll go for the less intrusive (repeated) revert now.
      Reported-and-bisected-by: default avatarNémeth Márton <nm127@freemail.hu>
      Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
      0b6a39f7
  3. 10 Jun, 2008 1 commit
  4. 12 May, 2008 2 commits
  5. 28 Apr, 2008 1 commit
    • PJ Waskiewicz's avatar
      x86: Fix 32-bit MSI-X allocation leakage · 9d9ad4b5
      PJ Waskiewicz authored
      This bug was introduced in the 2.6.24 i386/x86_64 tree merge, where
      MSI-X vector allocation will eventually fail.  The cause is the new
      bit array tracking used vectors is not getting cleared properly on
      IRQ destruction on the 32-bit APIC code.
      
      This can be seen easily using the ixgbe 10 GbE driver on multi-core
      systems by simply loading and unloading the driver a few times.
      Depending on the number of available vectors on the host system, the
      MSI-X allocation will eventually fail, and the driver will only be
      able to use legacy interrupts.
      
      I am generating the same patch for both stable trees for 2.6.24 and
      2.6.25.
      Signed-off-by: default avatarPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      9d9ad4b5
  6. 26 Apr, 2008 1 commit
  7. 17 Apr, 2008 14 commits
  8. 30 Jan, 2008 2 commits