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

From	Josh Poimboeuf <jpoimboe@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [RFC 09/17] x86/asm/32: Pull MSR_IA32_SYSENTER_CS update code out of native_load_sp0()
Date	2017-09-12 22:10 +0200
Message-ID	<uoZFo-5Ul-15@gated-at.bofh.it> (permalink)
References	<umQdc-7qi-3@gated-at.bofh.it> <umQdc-7qi-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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

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Re: [RFC 09/17] x86/asm/32: Pull MSR_IA32_SYSENTER_CS update code  out of native_load_sp0() Josh Poimboeuf <jpoimboe@redhat.com> - 2017-09-12 22:10 +0200

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