fix support for thread local storage on s390
diff -urN linux-2.5.59/arch/s390/kernel/process.c linux-2.5.59-s390/arch/s390/kernel/process.c
--- linux-2.5.59/arch/s390/kernel/process.c Fri Jan 17 03:22:28 2003
+++ linux-2.5.59-s390/arch/s390/kernel/process.c Mon Feb 3 20:50:16 2003
@@ -196,8 +196,6 @@
/* new return point is ret_from_fork */
frame->gprs[8] = (unsigned long) ret_from_fork;
- /* start disabled because of schedule_tick and rq->lock being held */
- frame->childregs.psw.mask &= ~0x03000000;
/* fake return stack for resume(), don't go back to schedule */
frame->gprs[9] = (unsigned long) frame;
@@ -213,6 +211,10 @@
p->thread.ar4 = get_fs().ar4;
/* Don't copy debug registers */
memset(&p->thread.per_info,0,sizeof(p->thread.per_info));
+
+ /* Set a new TLS ? */
+ if (clone_flags & CLONE_SETTLS)
+ frame->childregs.acrs[0] = regs->gprs[6];
return 0;
}
@@ -335,7 +337,7 @@
int count = 0;
if (!p || p == current || p->state == TASK_RUNNING)
return 0;
- stack_page = (unsigned long) p;
+ stack_page = (unsigned long) p->thread_info;
r15 = p->thread.ksp;
if (!stack_page || r15 < stack_page || r15 >= 8188+stack_page)
return 0;
diff -urN linux-2.5.59/arch/s390x/kernel/process.c linux-2.5.59-s390/arch/s390x/kernel/process.c
--- linux-2.5.59/arch/s390x/kernel/process.c Fri Jan 17 03:22:25 2003
+++ linux-2.5.59-s390/arch/s390x/kernel/process.c Mon Feb 3 20:50:16 2003
@@ -203,6 +203,19 @@
p->thread.ar4 = get_fs().ar4;
/* Don't copy debug registers */
memset(&p->thread.per_info,0,sizeof(p->thread.per_info));
+
+ /* Set a new TLS ? */
+ if (clone_flags & CLONE_SETTLS) {
+ if (current->thread.flags & S390_FLAG_31BIT) {
+ frame->childregs.acrs[0] =
+ (unsigned int) regs->gprs[6];
+ } else {
+ frame->childregs.acrs[0] =
+ (unsigned int)(regs->gprs[6] >> 32);
+ frame->childregs.acrs[1] =
+ (unsigned int) regs->gprs[6];
+ }
+ }
return 0;
}
@@ -319,7 +332,7 @@
int count = 0;
if (!p || p == current || p->state == TASK_RUNNING)
return 0;
- stack_page = (unsigned long) p;
+ stack_page = (unsigned long) p->thread_info;
r15 = p->thread.ksp;
if (!stack_page || r15 < stack_page || r15 >= 16380+stack_page)
return 0;
-
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This archive was generated by hypermail 2b29 : Fri Feb 07 2003 - 22:00:12 EST