* [PATCH 5/12] UML - S390 preparation, save an extra register
@ 2005-05-06 22:49 Jeff Dike
0 siblings, 0 replies; only message in thread
From: Jeff Dike @ 2005-05-06 22:49 UTC (permalink / raw)
To: torvalds, akpm; +Cc: linux-kernel, user-mode-linux-devel, Bodo Stroesser
From: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
s390 tt-mode needs to save not only syscall number, but an
further register also.
Signed-off-by: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Index: linux-2.6.12-rc3-mm/arch/um/kernel/tt/syscall_user.c
===================================================================
--- linux-2.6.12-rc3-mm.orig/arch/um/kernel/tt/syscall_user.c 2005-05-06 14:42:20.000000000 -0400
+++ linux-2.6.12-rc3-mm/arch/um/kernel/tt/syscall_user.c 2005-05-06 14:49:52.000000000 -0400
@@ -63,6 +63,10 @@
UPT_SYSCALL_NR(TASK_REGS(task)) = PT_SYSCALL_NR(proc_regs);
+#ifdef UPT_ORIGGPR2
+ UPT_ORIGGPR2(TASK_REGS(task)) = REGS_ORIGGPR2(proc_regs);
+#endif
+
if(((unsigned long *) PT_IP(proc_regs) >= &_stext) &&
((unsigned long *) PT_IP(proc_regs) <= &_etext))
tracer_panic("I'm tracing myself and I can't get out");
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