From: Rusty Russell <rusty@rustcorp.com.au>
Date: Fri, 22 Jul 2011 05:09:49 +0000 (+0930)
Subject: lguest: remove remaining vmcall
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7e1941444f808d8001aa3b63588150c516321a3c;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

lguest: remove remaining vmcall

We switch back from using vmcall in 091ebf07a2408f9a56634caa0f86d9360e9af23b
because it was unreliable under kvm, but I missed one (rarely-used) place.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---

diff --git a/arch/x86/lguest/i386_head.S b/arch/x86/lguest/i386_head.S
index 863b03a9fbff..c8c95e575c1e 100644
--- a/arch/x86/lguest/i386_head.S
+++ b/arch/x86/lguest/i386_head.S
@@ -101,12 +101,8 @@ send_interrupts:
 	 */
 	pushl %eax
 	movl $LHCALL_SEND_INTERRUPTS, %eax
-	/*
-	 * This is a vmcall instruction (same thing that KVM uses).  Older
-	 * assembler versions might not know the "vmcall" instruction, so we
-	 * create one manually here.
-	 */
-	.byte 0x0f,0x01,0xc1 /* KVM_HYPERCALL */
+	/* This is the actual hypercall trap. */
+	int  $LGUEST_TRAP_ENTRY
 	/* Put eax back the way we found it. */
 	popl %eax
 	ret