Messages in this thread | | | Date | Sat, 15 Aug 2009 00:02:30 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH] xen: xen_init_cpuid_mask: Zero cx before calling xen_cpuid |
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On 08/08/09 13:15, Josh Triplett wrote: > CPUID function 1 doesn't use cx, but xen_cpuid doesn't know that, > resulting in this warning: > > arch/x86/xen/enlighten.c: In function ‘xen_start_kernel’: > arch/x86/xen/enlighten.c:192: warning: ‘cx’ may be used uninitialized in this function > arch/x86/xen/enlighten.c:205: note: ‘cx’ was declared here > > Set cx = 0 to avoid this warning. This seems preferable to implementing > a xen_cpuid_nocount without the input constraint for cx, and either of > those seem preferable to just ignoring the warning. >
Thanks, applied.
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