x86: fix fake apicid to node mapping for numa emulation
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From: Ingo Molnar on 6 May 2010 03:10 * David Rientjes <rientjes(a)google.com> wrote: > apicids must be mapped to the lowest node ids to maintain generic kernel use > of functions such as cpu_to_node() that determine device affinity. > > Signed-off-by: David Rientjes <rientjes(a)google.com> > --- > Third resend of the same patch. > > arch/x86/mm/srat_64.c | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) There's no info in the changelog about what negative effects this bug had when it was found, on what hardware it occured, and what the general urgency of the patch is. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Ingo Molnar on 6 May 2010 06:10
* David Rientjes <rientjes(a)google.com> wrote: > On Thu, 6 May 2010, Ingo Molnar wrote: > > > > apicids must be mapped to the lowest node ids to maintain generic kernel use > > > of functions such as cpu_to_node() that determine device affinity. > > > > > > Signed-off-by: David Rientjes <rientjes(a)google.com> > > > --- > > > Third resend of the same patch. > > > > > > arch/x86/mm/srat_64.c | 3 ++- > > > 1 files changed, 2 insertions(+), 1 deletions(-) > > > > There's no info in the changelog about what negative effects this bug had when > > it was found, on what hardware it occured, and what the general urgency of the > > patch is. > > > > Ah, true. Given the relative obscurity of using NUMA emulation to being > with, it would probably benefit from being even more verbose as well. > I'll rewrite the changelog and reply to this message with it. Applied to tip:x86/urgent, thanks David! Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |