Messages in this thread | | | Date | Wed, 13 Apr 2011 19:36:34 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH] x86: Clean up mwait_play_dead |
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On Wed, Apr 13, 2011 at 09:52:40AM -0700, H. Peter Anvin wrote: > On 04/13/2011 09:11 AM, Frank Arnold wrote: > > From: Frank Arnold <frank.arnold@amd.com> > > > > Commit 93789b32dbf355e70f18b17a82e8661677a7f7fb introduced > > cpuinfo_x86 *c for brevity. It is used to check for the > > mwait feature flag. The same can be done with a subsequent > > check for clflsh and save us a second per-cpu pointer > > dereference. > > > > Signed-off-by: Frank Arnold <frank.arnold@amd.com> > > Acked-by: Borislav Petkov <borislav.petkov@amd.com> > > --- > > arch/x86/kernel/smpboot.c | 2 +- > > 1 files changed, 1 insertions(+), 1 deletions(-) > > > > This should be using this_cpu_has()... if that's not in the tree yet we > should add it.
Looks like it is still in tip/x86/mm.
We could either redo the patch properly when this_cpu_has() is merged or add the change against that branch.
-- Regards/Gruss, Boris.
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