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Re: [Xen-devel] [PATCH v2] xen/x86: Zero out .bss for PV guests



On 02/24/2016 11:05 AM, Brian Gerst wrote:

Use the macros in <asm/asm.h> instead of defining your own.  Also,
xorl %eax,%eax is good for 64-bit too, since the upper bits are
cleared.

I suspected this would have to be defined somewhere but couldn't find it. Thanks!

-boris


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