diff options
| author | Daniel Gollub <dgollub@suse.de> | 2007-08-15 02:40:35 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-18 10:25:25 -0700 |
| commit | 0328ecef9041fe477efc2404fd3aaa29e7ee0430 (patch) | |
| tree | 10384b404a1052df528d947e6c2269f10b3b4712 /arch/i386/kernel/apic.c | |
| parent | 8154549cb8ca795cbefda404cd6120398e5b145f (diff) | |
| download | blackbird-op-linux-0328ecef9041fe477efc2404fd3aaa29e7ee0430.tar.gz blackbird-op-linux-0328ecef9041fe477efc2404fd3aaa29e7ee0430.zip | |
x86_64: Fix to keep watchdog disabled by default for i386/x86_64
Fixed wrong expression which enabled watchdogs even if nmi_watchdog kernel
parameter wasn't set. This regression got slightly introduced with commit
b7471c6da94d30d3deadc55986cc38d1ff57f9ca.
Introduced NMI_DISABLED (-1) which allows to switch the value of NMI_DEFAULT
without breaking the APIC NMI watchdog code (again).
Fixes:
https://bugzilla.novell.com/show_bug.cgi?id=298084
http://bugzilla.kernel.org/show_bug.cgi?id=7839
And likely some more nmi_watchdog=0 related issues.
Signed-off-by: Daniel Gollub <dgollub@suse.de>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/i386/kernel/apic.c')
| -rw-r--r-- | arch/i386/kernel/apic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index f9fff29e01a9..3d67ae18d762 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -1085,7 +1085,7 @@ static int __init detect_init_APIC (void) if (l & MSR_IA32_APICBASE_ENABLE) mp_lapic_addr = l & MSR_IA32_APICBASE_BASE; - if (nmi_watchdog != NMI_NONE) + if (nmi_watchdog != NMI_NONE && nmi_watchdog != NMI_DISABLED) nmi_watchdog = NMI_LOCAL_APIC; printk(KERN_INFO "Found and enabled local APIC!\n"); |
