---

yaml --- r: 88877 b: refs/heads/master c: a31f8dd h: refs/heads/master i: 88875: a7a9c59 v: v3
git-mirror · Apr 17, 2008 · 5560e8e · 5560e8e
1 parent c6f6642
commit 5560e8e
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Showing 2 changed files with 4 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8ab32bb89b5b9bf06147c31947eba65f0f21c3c0
+refs/heads/master: a31f8dd7ee3b2f5645c220406b1e21f82971f32b
diff --git a/trunk/arch/x86/kernel/entry_64.S b/trunk/arch/x86/kernel/entry_64.S
@@ -319,19 +319,17 @@ badsys:
 	/* Do syscall tracing */
 tracesys:			 
 	SAVE_REST
-	movq $-ENOSYS,RAX(%rsp)
+	movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
 	FIXUP_TOP_OF_STACK %rdi
 	movq %rsp,%rdi
 	call syscall_trace_enter
 	LOAD_ARGS ARGOFFSET  /* reload args from stack in case ptrace changed it */
 	RESTORE_REST
 	cmpq $__NR_syscall_max,%rax
-	movq $-ENOSYS,%rcx
-	cmova %rcx,%rax
-	ja  1f
+	ja   int_ret_from_sys_call	/* RAX(%rsp) set to -ENOSYS above */
 	movq %r10,%rcx	/* fixup for C */
 	call *sys_call_table(,%rax,8)
-1:	movq %rax,RAX-ARGOFFSET(%rsp)
+	movq %rax,RAX-ARGOFFSET(%rsp)
 	/* Use IRET because user could have changed frame */
 
 /*