Messages in this thread | | | Date | Sat, 26 Mar 2011 16:36:51 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH] slub: Disable the lockless allocator |
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On Sat, 26 Mar 2011, Ingo Molnar wrote:
> > Subject: per_cpu: Fixup cmpxchg_double for !SMP > > > > cmpxchg_double should only be provided for SMP. In the UP case > > the GS register is not defined and the function will fail. > > > > Signed-off-by: Christoph Lameter <cl@linux.com> > > I.e. the bug got introduced by: > > | commit b9ec40af0e18fb7d02106be148036c2ea490fdf9 > | Author: Christoph Lameter <cl@linux.com> > | Date: Mon Feb 28 11:02:24 2011 +0100 > | > | percpu, x86: Add arch-specific this_cpu_cmpxchg_double() support > > and then the lockless allocator made use of it, right?
Correct.
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