Displaying 2 results from an estimated 2 matches for "lockrz".
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2016 Jan 12
5
[PATCH 3/4] x86,asm: Re-work smp_store_mb()
On Tue, Jan 12, 2016 at 12:54 PM, Linus Torvalds
<torvalds at linux-foundation.org> wrote:
> On Tue, Jan 12, 2016 at 12:30 PM, Andy Lutomirski <luto at kernel.org> wrote:
>>
>> I recall reading somewhere that lock addl $0, 32(%rsp) or so (maybe even 64)
>> was better because it avoided stomping on very-likely-to-be-hot write
>> buffers.
>
> I suspect it
2016 Jan 12
5
[PATCH 3/4] x86,asm: Re-work smp_store_mb()
On Tue, Jan 12, 2016 at 12:54 PM, Linus Torvalds
<torvalds at linux-foundation.org> wrote:
> On Tue, Jan 12, 2016 at 12:30 PM, Andy Lutomirski <luto at kernel.org> wrote:
>>
>> I recall reading somewhere that lock addl $0, 32(%rsp) or so (maybe even 64)
>> was better because it avoided stomping on very-likely-to-be-hot write
>> buffers.
>
> I suspect it