[patch 11/12] s390: cpu timer reset in machine check handler.
From: Heiko Carstens <[email protected]>
Fix wrong move direction of timer values for cpu accounting
in case of a machine check that indicates a broken cpu timer.
Signed-off-by: Martin Schwidefsky <[email protected]>
diffstat:
arch/s390/kernel/entry.S | 6 +++---
arch/s390/kernel/entry64.S | 6 +++---
2 files changed, 6 insertions(+), 6 deletions(-)
diff -urpN linux-2.6/arch/s390/kernel/entry64.S linux-2.6-patched/arch/s390/kernel/entry64.S
--- linux-2.6/arch/s390/kernel/entry64.S 2005-07-11 17:37:26.000000000 +0200
+++ linux-2.6-patched/arch/s390/kernel/entry64.S 2005-07-11 17:37:50.000000000 +0200
@@ -727,9 +727,9 @@ mcck_int_handler:
jo 0f
spt __LC_LAST_UPDATE_TIMER
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
- mvc __LC_LAST_UPDATE_TIMER(8),__LC_ASYNC_ENTER_TIMER
- mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
- mvc __LC_LAST_UPDATE_TIMER(8),__LC_EXIT_TIMER
+ mvc __LC_ASYNC_ENTER_TIMER(8),__LC_LAST_UPDATE_TIMER
+ mvc __LC_SYNC_ENTER_TIMER(8),__LC_LAST_UPDATE_TIMER
+ mvc __LC_EXIT_TIMER(8),__LC_LAST_UPDATE_TIMER
0: tm __LC_MCCK_CODE+2,0x08 # mwp of old psw valid?
jno mcck_no_vtime # no -> no timer update
tm __LC_MCK_OLD_PSW+1,0x01 # interrupting from user ?
diff -urpN linux-2.6/arch/s390/kernel/entry.S linux-2.6-patched/arch/s390/kernel/entry.S
--- linux-2.6/arch/s390/kernel/entry.S 2005-07-11 17:37:26.000000000 +0200
+++ linux-2.6-patched/arch/s390/kernel/entry.S 2005-07-11 17:37:50.000000000 +0200
@@ -690,9 +690,9 @@ mcck_int_handler:
bo BASED(0f)
spt __LC_LAST_UPDATE_TIMER # revalidate cpu timer
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
- mvc __LC_LAST_UPDATE_TIMER(8),__LC_ASYNC_ENTER_TIMER
- mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
- mvc __LC_LAST_UPDATE_TIMER(8),__LC_EXIT_TIMER
+ mvc __LC_ASYNC_ENTER_TIMER(8),__LC_LAST_UPDATE_TIMER
+ mvc __LC_SYNC_ENTER_TIMER(8),__LC_LAST_UPDATE_TIMER
+ mvc __LC_EXIT_TIMER(8),__LC_LAST_UPDATE_TIMER
0: tm __LC_MCCK_CODE+2,0x08 # mwp of old psw valid?
bno BASED(mcck_no_vtime) # no -> skip cleanup critical
tm __LC_MCK_OLD_PSW+1,0x01 # interrupting from user ?
-
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