Re: [RFC 09/17] x86/asm/32: Pull MSR_IA32_SYSENTER_CS update code out of native_load_sp0()

From: Josh Poimboeuf
Date: Tue Sep 12 2017 - 16:06:32 EST


On Wed, Sep 06, 2017 at 02:36:54PM -0700, Andy Lutomirski wrote:
> This causees the MSR_IA32_SYSENTER_CS write to move out of the
> paravirt hook. This shouldn't affect Xen or lgeust: Xen already
> ignores MSR_IA32_SYSENTER_ESP writes and lguest doesn't support
> SYSENTER at all. In any event, Xen doesn't support vm86()
> in a useful way.

Thanks to Juergen, lguest is no more :-)

--
Josh