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[Xen-changelog] [xen-4.0-testing] x86-64: fix restoring of hypercall arg
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| Subject: | [Xen-changelog] [xen-4.0-testing] x86-64: fix restoring of hypercall arguments after trace callout |
| From: | "Xen patchbot-4.0-testing" <patchbot-4.0-testing@xxxxxxxxxxxxxxxxxxx> |
| Date: | Thu, 23 Dec 2010 11:35:20 -0800 |
| Delivery-date: | Thu, 23 Dec 2010 11:36:52 -0800 |
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# HG changeset patch
# User Keir Fraser <keir@xxxxxxx>
# Date 1292415227 0
# Node ID 4e689840622fcae76b40d036ca5b3f6003f94997
# Parent 1bec63e5bcfe06af2f04d00a663df14ce53a9718
x86-64: fix restoring of hypercall arguments after trace callout
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
xen-unstable changeset: 22539:20c65aa19075
xen-unstable date: Wed Dec 15 12:09:41 2010 +0000
---
xen/arch/x86/x86_64/entry.S | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -r 1bec63e5bcfe -r 4e689840622f xen/arch/x86/x86_64/entry.S
--- a/xen/arch/x86/x86_64/entry.S Wed Dec 15 12:06:56 2010 +0000
+++ b/xen/arch/x86/x86_64/entry.S Wed Dec 15 12:13:47 2010 +0000
@@ -171,8 +171,8 @@ ENTRY(syscall_enter)
movq UREGS_rsi+SHADOW_BYTES(%rsp),%rsi /* Arg 2 */
movq UREGS_rdx+SHADOW_BYTES(%rsp),%rdx /* Arg 3 */
movq UREGS_r10+SHADOW_BYTES(%rsp),%rcx /* Arg 4 */
- movq UREGS_rdi+SHADOW_BYTES(%rsp),%r8 /* Arg 5 */
- movq UREGS_rbp+SHADOW_BYTES(%rsp),%r9 /* Arg 6 */
+ movq UREGS_r8 +SHADOW_BYTES(%rsp),%r8 /* Arg 5 */
+ movq UREGS_r9 +SHADOW_BYTES(%rsp),%r9 /* Arg 6 */
#undef SHADOW_BYTES
1: leaq hypercall_table(%rip),%r10
PERFC_INCR(PERFC_hypercalls, %rax, %rbx)
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