KVM: VMX: Make indirect call speculation safe
authorPeter Zijlstra <peterz@infradead.org>
Thu, 25 Jan 2018 09:58:14 +0000 (10:58 +0100)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 25 Jan 2018 13:14:42 +0000 (14:14 +0100)
commitc940a3fb1e2e9b7d03228ab28f375fb5a47ff699
treeeb4cf85addb0a6564d9ea5ca8f61348c36756769
parent1a29b5b7f347a1a9230c1e0af5b37e3e571588ab
KVM: VMX: Make indirect call speculation safe

Replace indirect call with CALL_NOSPEC.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Jun Nakajima <jun.nakajima@intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: rga@amazon.de
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Asit Mallick <asit.k.mallick@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Arjan Van De Ven <arjan.van.de.ven@intel.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Link: https://lkml.kernel.org/r/20180125095843.645776917@infradead.org
arch/x86/kvm/vmx.c