Commit-ID: f2f931c6819467af5260a21c59fb787ce2863f92 Gitweb: http://git.kernel.org/tip/f2f931c6819467af5260a21c59fb787ce2863f92 Author: Tom Lendacky <thomas.lenda...@amd.com> AuthorDate: Mon, 17 Jul 2017 16:10:29 -0500 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Tue, 18 Jul 2017 11:38:05 +0200
xen/x86: Remove SME feature in PV guests Xen does not currently support SME for PV guests. Clear the SME CPU capability in order to avoid any ambiguity. Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com> Reviewed-by: Thomas Gleixner <t...@linutronix.de> Reviewed-by: Borislav Petkov <b...@suse.de> Reviewed-by: Juergen Gross <jgr...@suse.com> Cc: <xen-devel@lists.xen.org> Cc: Alexander Potapenko <gli...@google.com> Cc: Andrey Ryabinin <aryabi...@virtuozzo.com> Cc: Andy Lutomirski <l...@kernel.org> Cc: Arnd Bergmann <a...@arndb.de> Cc: Boris Ostrovsky <boris.ostrov...@oracle.com> Cc: Borislav Petkov <b...@alien8.de> Cc: Brijesh Singh <brijesh.si...@amd.com> Cc: Dave Young <dyo...@redhat.com> Cc: Dmitry Vyukov <dvyu...@google.com> Cc: Jonathan Corbet <cor...@lwn.net> Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> Cc: Larry Woodman <lwood...@redhat.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Matt Fleming <m...@codeblueprint.co.uk> Cc: Michael S. Tsirkin <m...@redhat.com> Cc: Paolo Bonzini <pbonz...@redhat.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Radim Krčmář <rkrc...@redhat.com> Cc: Rik van Riel <r...@redhat.com> Cc: Toshimitsu Kani <toshi.k...@hpe.com> Cc: kasan-...@googlegroups.com Cc: k...@vger.kernel.org Cc: linux-a...@vger.kernel.org Cc: linux-...@vger.kernel.org Cc: linux-...@vger.kernel.org Cc: linux...@kvack.org Link: http://lkml.kernel.org/r/3b605622a9fae5e588e5a13967120a18ec18071b.1500319216.git.thomas.lenda...@amd.com Signed-off-by: Ingo Molnar <mi...@kernel.org> --- arch/x86/xen/enlighten_pv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 290bc5a..df19217 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -263,6 +263,7 @@ static void __init xen_init_capabilities(void) setup_clear_cpu_cap(X86_FEATURE_MTRR); setup_clear_cpu_cap(X86_FEATURE_ACC); setup_clear_cpu_cap(X86_FEATURE_X2APIC); + setup_clear_cpu_cap(X86_FEATURE_SME); /* * Xen PV would need some work to support PCID: CR3 handling as well _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
