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authorGOTO Masanori <gotom@sanori.org>2006-03-07 21:55:29 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-08 14:14:01 -0800
commitb884e25784f62a1c740d2e4c1ce19cb89644e986 (patch)
tree064045e9859cdf0c547d6be890d8a013e07104f9 /include/linux/sysctl.h
parent707ced0d718e89b52b13aa55a64653083e792cca (diff)
[PATCH] x86: Fix i386 nmi_watchdog that does not trigger die_nmi
Fix i386 nmi_watchdog that does not meet watchdog timeout condition. It does not hit die_nmi when it should be triggered, because the current nmi_watchdog_tick in arch/i386/kernel/nmi.c never count up alert_counter like this: void nmi_watchdog_tick (struct pt_regs * regs) { if (last_irq_sums[cpu] == sum) { alert_counter[cpu]++; <- count up alert_counter, but if (alert_counter[cpu] == 5*nmi_hz) die_nmi(regs, "NMI Watchdog detected LOCKUP"); alert_counter[cpu] = 0; <- reset alert_counter This patch changes it back to the previous and working version. This was found and originally written by Kohta NAKASHIMA. (akpm: also uninline write_watchdog_counter(), saving 184 byets) Signed-off-by: GOTO Masanori <gotom@sanori.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/sysctl.h')
0 files changed, 0 insertions, 0 deletions