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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-07-22 20:47:06 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-27 14:51:02 +0100 |
| commit | 2f27af9f37bfea5d9b5c07033a264c92c2ecbf2f (patch) | |
| tree | a68098184317ade836a3fedc762831338a968683 /arch | |
| parent | ba5cc235ea6cc536d0255e773b700c7fe5f0bedc (diff) | |
| download | linux-stable-2f27af9f37bfea5d9b5c07033a264c92c2ecbf2f.tar.gz linux-stable-2f27af9f37bfea5d9b5c07033a264c92c2ecbf2f.tar.bz2 linux-stable-2f27af9f37bfea5d9b5c07033a264c92c2ecbf2f.zip | |
x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI
[ Upstream commit 2591bc4e8d70b4e1330d327fb7e3921f4e070a51 ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/kgdb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index 8e36f249646e..904e18bb38c5 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -438,7 +438,7 @@ static void kgdb_disable_hw_debug(struct pt_regs *regs) */ void kgdb_roundup_cpus(unsigned long flags) { - apic->send_IPI_allbutself(APIC_DM_NMI); + apic->send_IPI_allbutself(NMI_VECTOR); } #endif |