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Message-ID: <20080331123557.GB14636@elte.hu> Date: Mon, 31 Mar 2008 14:35:57 +0200 From: Ingo Molnar <mingo@...e.hu> To: Ben Hutchings <bhutchings@...arflare.com> Cc: linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH][RFC] Add default CPU topology information * Ben Hutchings <bhutchings@...arflare.com> wrote: > Not all architectures and configurations define CPU topology information. > This can result in an empty topology directory in sysfs, and requires > in-kernel users to protect all uses with #ifdef - see > <http://marc.info/?l=linux-netdev&m=120639033904472&w=2>. > > The documentation of CPU topology specifies what the defaults should be > if only partial information is available from the hardware. So we can > provide these defaults as a fallback. > > This patch: > > - Adds default definitions of the 4 topology macros to > include/asm-generic/topology.h. > - Changes include/asm-*/topology.h to include <asm-generic/topology.h> > unconditionally. > - Changes drivers/base/topology.c to use the topology macros unconditionally > and to cope with definitions that aren't lvalues. > - Updates documentation accordingly. > > Signed-off-by: Ben Hutchings <bhutchings@...arflare.com> very nice - i suspect this would be a patch for -mm. Acked-by: Ingo Molnar <mingo@...e.hu> Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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