Messages in this thread | | | Date | Thu, 21 Aug 2008 21:45:44 -0700 | From | "Yinghai Lu" <> | Subject | Re: [Bug 11388] New: 2.6.27-rc3 warns about MTRR range; only 3 of 16gb of memory is usable |
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On Thu, Aug 21, 2008 at 8:51 PM, Ingo Molnar <mingo@elte.hu> wrote: > > * Yinghai Lu <yhlu.kernel@gmail.com> wrote: > >> On Thu, Aug 21, 2008 at 4:56 AM, Ingo Molnar <mingo@elte.hu> wrote: >> > >> > * Ingo Molnar <mingo@elte.hu> wrote: >> > >> >> >> >> * Yinghai Lu <yhlu.kernel@gmail.com> wrote: >> >> >> >> > [PATCH] x86_64: printout msr >> >> >> >> looks rather useful - added it to tip/x86/debug. >> > >> > fails to build with the attached config: >> > >> > arch/x86/kernel/cpu/common_64.c: In function 'print_cpu_msr': >> > arch/x86/kernel/cpu/common_64.c:456: error: implicit declaration of function 'rdmsrl_amd_safe' >> > arch/x86/kernel/cpu/common_64.c: In function 'print_cpu_info': >> > arch/x86/kernel/cpu/common_64.c:486: error: 'struct cpuinfo_x86' has no member named 'cpu_index' >> > >> > i realize that this wasnt sent for inclusion, but i think it would make >> > sense to tidy it up and integrate it. >> >> that was one tool to verify if BIOS does right thing about some special bits. >> >> it seems it doesn't compile when xen etc is enable in config. > > yeah - but would be nice to fix it, as it's a useful diagnostic patch. > If people have similar problems in the future they can boot their distro > kernels with show_mtrr=x to get a MTRR dump. >
will look at it.
YH
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