Messages in this thread | | | Date | Mon, 14 Jul 2008 15:27:06 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [git pull] core/percpu for v2.6.27 |
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On Mon, 14 Jul 2008, Ingo Molnar wrote: > > Please pull the latest core/percpu git tree from: > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git core/percpu
Can you explain what this does and who needs it? The percpu_xchg() looks particularly pointless, since it's always a locked SMP-safe instruction on x86, so a nonpreemptible load+store will likely be much faster.
Linus
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