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SubjectRe: [PATCH 1/3] x86_64: further cleanup of 32-bit compat syscall mechanisms
H. Peter Anvin wrote:
> Jeremy Fitzhardinge wrote:
>> AMD only supports "syscall" from 32-bit compat usermode.
>> Intel and Centaur(?) only support "sysenter" from 32-bit compat
>> usermode.
>>
>> Set the X86 feature bits accordingly, and set up the vdso in
>> accordance with those bits. On the offchance we run on in a 64-bit
>> environment which supports neither syscall nor sysenter from 32-bit
>> mode, then fall back to the int $0x80 vdso.
>>
>> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
>
> Acked-by: H. Peter Anvin <hpa@zytor.com>

Have these been applied to anything yet?

J


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