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  1. 26 Apr, 2009 1 commit
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  5. 09 Oct, 2007 1 commit
  6. 20 Jul, 2007 1 commit
  7. 19 Jul, 2007 1 commit
    • Fenghua Yu's avatar
      define new percpu interface for shared data · 5fb7dc37
      Fenghua Yu authored
      per cpu data section contains two types of data.  One set which is
      exclusively accessed by the local cpu and the other set which is per cpu,
      but also shared by remote cpus.  In the current kernel, these two sets are
      not clearely separated out.  This can potentially cause the same data
      cacheline shared between the two sets of data, which will result in
      unnecessary bouncing of the cacheline between cpus.
      
      One way to fix the problem is to cacheline align the remotely accessed per
      cpu data, both at the beginning and at the end.  Because of the padding at
      both ends, this will likely cause some memory wastage and also the
      interface to achieve this is not clean.
      
      This patch:
      
      Moves the remotely accessed per cpu data (which is currently marked
      as ____cacheline_aligned_in_smp) into a different section, where all the data
      elements are cacheline aligned. And as such, this differentiates the local
      only data and remotely accessed data cleanly.
      Signed-off-by: default avatarFenghua Yu <fenghua.yu@intel.com>
      Acked-by: default avatarSuresh Siddha <suresh.b.siddha@intel.com>
      Cc: Rusty Russell <rusty@rustcorp.com.au>
      Cc: Christoph Lameter <clameter@sgi.com>
      Cc: <linux-arch@vger.kernel.org>
      Cc: "Luck, Tony" <tony.luck@intel.com>
      Cc: Andi Kleen <ak@suse.de>
      Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      5fb7dc37
  8. 19 May, 2007 2 commits
  9. 02 May, 2007 1 commit
  10. 11 Feb, 2007 1 commit
  11. 27 Oct, 2006 1 commit
  12. 30 Jun, 2006 1 commit
  13. 16 Apr, 2005 1 commit
    • Linus Torvalds's avatar
      Linux-2.6.12-rc2 · 1da177e4
      Linus Torvalds authored
      Initial git repository build. I'm not bothering with the full history,
      even though we have it. We can create a separate "historical" git
      archive of that later if we want to, and in the meantime it's about
      3.2GB when imported into git - space that would just make the early
      git days unnecessarily complicated, when we don't have a lot of good
      infrastructure for it.
      
      Let it rip!
      1da177e4