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Subject: Linux 2.6.22.7
From: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Automatically created from "patches.kernel.org/patch-2.6.22.6-7" by xen-port-patches.py
Index: head-2007-10-08/arch/x86_64/ia32/ia32entry-xen.S
===================================================================
--- head-2007-10-08.orig/arch/x86_64/ia32/ia32entry-xen.S 2007-10-09 10:20:22.000000000 +0200
+++ head-2007-10-08/arch/x86_64/ia32/ia32entry-xen.S 2007-10-09 10:20:59.000000000 +0200
@@ -55,6 +55,18 @@
#define __sti sti
#endif
+ .macro LOAD_ARGS32 offset
+ movl \offset(%rsp),%r11d
+ movl \offset+8(%rsp),%r10d
+ movl \offset+16(%rsp),%r9d
+ movl \offset+24(%rsp),%r8d
+ movl \offset+40(%rsp),%ecx
+ movl \offset+48(%rsp),%edx
+ movl \offset+56(%rsp),%esi
+ movl \offset+64(%rsp),%edi
+ movl \offset+72(%rsp),%eax
+ .endm
+
.macro CFI_STARTPROC32 simple
CFI_STARTPROC \simple
CFI_UNDEFINED r8
@@ -172,7 +184,7 @@ sysenter_tracesys:
movq $-ENOSYS,RAX(%rsp) /* really needed? */
movq %rsp,%rdi /* &pt_regs -> arg1 */
call syscall_trace_enter
- LOAD_ARGS ARGOFFSET /* reload args from stack in case ptrace changed it */
+ LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
movl %ebp, %ebp
/* no need to do an access_ok check here because rbp has been
@@ -277,7 +289,7 @@ cstar_tracesys:
movq $-ENOSYS,RAX(%rsp) /* really needed? */
movq %rsp,%rdi /* &pt_regs -> arg1 */
call syscall_trace_enter
- LOAD_ARGS ARGOFFSET /* reload args from stack in case ptrace changed it */
+ LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
movl RSP-ARGOFFSET(%rsp), %r8d
/* no need to do an access_ok check here because r8 has been
@@ -360,7 +372,7 @@ ia32_tracesys:
movq $-ENOSYS,RAX(%rsp) /* really needed? */
movq %rsp,%rdi /* &pt_regs -> arg1 */
call syscall_trace_enter
- LOAD_ARGS ARGOFFSET /* reload args from stack in case ptrace changed it */
+ LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
jmp ia32_do_syscall
END(ia32_syscall)
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