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authorDaniel Gollub <dgollub@suse.de>2007-08-15 02:40:35 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-18 10:25:25 -0700
commit0328ecef9041fe477efc2404fd3aaa29e7ee0430 (patch)
tree10384b404a1052df528d947e6c2269f10b3b4712 /include/asm-i386
parent8154549cb8ca795cbefda404cd6120398e5b145f (diff)
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 'include/asm-i386')
-rw-r--r--include/asm-i386/nmi.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-i386/nmi.h b/include/asm-i386/nmi.h
index ff30c98f87b..70a958a8e38 100644
--- a/include/asm-i386/nmi.h
+++ b/include/asm-i386/nmi.h
@@ -33,11 +33,12 @@ extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
extern atomic_t nmi_active;
extern unsigned int nmi_watchdog;
-#define NMI_DEFAULT -1
+#define NMI_DISABLED -1
#define NMI_NONE 0
#define NMI_IO_APIC 1
#define NMI_LOCAL_APIC 2
#define NMI_INVALID 3
+#define NMI_DEFAULT NMI_DISABLED
struct ctl_table;
struct file;