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authorThomas Gleixner <tglx@linutronix.de>2019-07-22 20:47:06 +0200
committerThomas Gleixner <tglx@linutronix.de>2019-07-25 16:11:56 +0200
commit2591bc4e8d70b4e1330d327fb7e3921f4e070a51 (patch)
treefad9e764c20f7ccac755f26c7098271a5bb0e235 /arch/x86/kernel/kgdb.c
parenta2df00fd501214923999071678d684f5988940f4 (diff)
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x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI
apic->send_IPI_allbutself() takes a vector number as argument. APIC_DM_NMI is clearly not a vector number. It's defined to 0x400 which is outside the vector space. Use NMI_VECTOR instead as that's what it is intended to be. Fixes: 82da3ff89dc2 ("x86: kgdb support") Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20190722105218.855189979@linutronix.de
Diffstat (limited to 'arch/x86/kernel/kgdb.c')
-rw-r--r--arch/x86/kernel/kgdb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index 23297ea64f5f..a53dfb09880f 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -416,7 +416,7 @@ static void kgdb_disable_hw_debug(struct pt_regs *regs)
*/
void kgdb_roundup_cpus(void)
{
- apic->send_IPI_allbutself(APIC_DM_NMI);
+ apic->send_IPI_allbutself(NMI_VECTOR);
}
#endif