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SubjectRe: [this_cpu_xx V4 02/20] this_cpu: X86 optimized this_cpu operations
Hi,

Ingo Molnar wrote:
> * cl@linux-foundation.org <cl@linux-foundation.org> wrote:
>
>> Basically the existing percpu ops can be used for this_cpu variants
>> that allow operations also on dynamically allocated percpu data.
>> However, we do not pass a reference to a percpu variable in. Instead a
>> dynamically or statically allocated percpu variable is provided.
>>
>> Preempt, the non preempt and the irqsafe operations generate the same
>> code. It will always be possible to have the requires per cpu
>> atomicness in a single RMW instruction with segment override on x86.
>>
>> 64 bit this_cpu operations are not supported on 32 bit.
>>
>> Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
>
> Acked-by: Ingo Molnar <mingo@elte.hu>

I haven't looked at the series in detail but AFAICT the SLUB patches
depend on the x86 ones. Any suggestions how to get all this into
linux-next? Should I make a topic branch in slab.git on top of -tip or
something?

Pekka


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