On Tue, 21 Aug 2007, Mathieu Desnoyers wrote: > Are you running a UP or SMP kernel ? If you run a UP kernel, the > cmpxchg_local and cmpxchg are identical. UP. > Oh, and if you run your tests at boot time, the alternatives code may > have removed the lock prefix, therefore making cmpxchg and cmpxchg_local > exactly the same. Tests were run at boot time. That still does not explain kmalloc not showing improvements. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- Follow-Ups:
- Re: [PATCH] SLUB use cmpxchg_local
- From: Mathieu Desnoyers <[email protected]>
- Re: [PATCH] SLUB use cmpxchg_local
- References:
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Mathieu Desnoyers <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Christoph Lameter <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Mathieu Desnoyers <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- From: Christoph Lameter <[email protected]>
- [PATCH] SLUB use cmpxchg_local
- From: Mathieu Desnoyers <[email protected]>
- Re: [PATCH] SLUB use cmpxchg_local
- From: Christoph Lameter <[email protected]>
- Re: [PATCH] SLUB use cmpxchg_local
- From: Mathieu Desnoyers <[email protected]>
- Re: [PATCH] SLUB use cmpxchg_local
- From: Christoph Lameter <[email protected]>
- Re: [PATCH] SLUB use cmpxchg_local
- From: Mathieu Desnoyers <[email protected]>
- Re: [PATCH] SLUB use cmpxchg_local
- From: Christoph Lameter <[email protected]>
- Re: [PATCH] SLUB use cmpxchg_local
- From: Mathieu Desnoyers <[email protected]>
- Re: [patch 01/23] Fall back on interrupt disable in cmpxchg8b on 80386 and 80486
- Prev by Date: Re: [PATCH] SLUB use cmpxchg_local
- Next by Date: Re: [PATCH] SLUB use cmpxchg_local
- Previous by thread: Re: [PATCH] SLUB use cmpxchg_local
- Next by thread: Re: [PATCH] SLUB use cmpxchg_local
- Index(es):
 |