On Tue, Apr 12, 2011 at 08:41:11PM +0200, Richard Weinberger wrote: >> Am Dienstag 12 April 2011, 20:10:37 schrieb Christoph Lameter: >> > On Tue, 12 Apr 2011, Richard Weinberger wrote: >> > > This patch implements this_cpu_cmpxchg16b_emu() for UML. >> > >> > Is this really necessary? Just undefine CONFIG_CMPXCHG_LOCAL for UML and >> > the asm code will not be used. >> >> UML includes arch/x86/Kconfig.cpu which defines CONFIG_CMPXCHG_LOCAL >> automatically. >> Just disabling CONFIG_CMPXCHG_LOCAL for UML is IMHO not very nice. >> When chpxchg is available also UML should use it...
On Tue, Apr 12, 2011 at 10:20 PM, Tejun Heo <t...@kernel.org> wrote: > Ugh... I'd really like to avoid things like this for UML. Is there > any SLUB performance sensitive workload running on UML? I've never > seen any UML in production environment. Wouldn't it be better to keep > things simple? Yes, it would be. :-) ------------------------------------------------------------------------------ Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel