Messages in this thread | | | Date | Mon, 14 Jul 2008 14:59:01 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH 1/3] x86_64: further cleanup of 32-bit compat syscall mechanisms |
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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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