| Date | Thu, 25 Jan 2018 10:36:23 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 07/24] x86,vmx: Fix indirect call |
| |
Subject: x86,vmx: Fix indirect call From: Peter Zijlstra <peterz@infradead.org> Date: Tue Jan 23 14:10:19 CET 2018
Replace indirect call with CALL_NOSPEC.
Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- - now with THUNK_TARGET()
arch/x86/kvm/vmx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -9129,14 +9129,14 @@ static void vmx_handle_external_intr(str #endif "pushf\n\t" __ASM_SIZE(push) " $%c[cs]\n\t" - "call *%[entry]\n\t" + CALL_NOSPEC : #ifdef CONFIG_X86_64 [sp]"=&r"(tmp), #endif ASM_CALL_CONSTRAINT : - [entry]"r"(entry), + THUNK_TARGET(entry), [ss]"i"(__KERNEL_DS), [cs]"i"(__KERNEL_CS) );
|