Messages in this thread | | | Date | Wed, 12 Oct 2011 22:37:52 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 1/3] x86, intel: Output microcode revision v6 |
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On 10/12/2011 05:46 PM, Andi Kleen wrote: > > I had to add a memory barrier to native_cpuid to prevent it being > optimized away when the result is not used. >
This is BAD... this means gcc is optimizing away an asm volatile, which should never happen. Please report a gcc bug. What version of gcc is this?
Other than that,
Acked-by: H. Peter Anvin <hpa@zytor.com>
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