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| author | Ingo Molnar <mingo@kernel.org> | 2017-08-31 14:20:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-31 14:20:06 +0200 |
| commit | 3e83dfd5d8e374328078f527f1f7d189824896ab (patch) | |
| tree | 2f82b2e82f7a4b5c513fed42d4228a8bce938180 /arch/arc/kernel/intc-arcv2.c | |
| parent | 3308376a914b9c3f57a12072c063814403d983a8 (diff) | |
| parent | 9e52fc2b50de3a1c08b44f94c610fbe998c0031a (diff) | |
| download | talos-op-linux-3e83dfd5d8e374328078f527f1f7d189824896ab.tar.gz talos-op-linux-3e83dfd5d8e374328078f527f1f7d189824896ab.zip | |
Merge branch 'x86/mm' into x86/platform, to pick up TLB flush dependency
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arc/kernel/intc-arcv2.c')
| -rw-r--r-- | arch/arc/kernel/intc-arcv2.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c index f928795fd07a..cf90714a676d 100644 --- a/arch/arc/kernel/intc-arcv2.c +++ b/arch/arc/kernel/intc-arcv2.c @@ -75,10 +75,13 @@ void arc_init_IRQ(void) * Set a default priority for all available interrupts to prevent * switching of register banks if Fast IRQ and multiple register banks * are supported by CPU. + * Also disable all IRQ lines so faulty external hardware won't + * trigger interrupt that kernel is not ready to handle. */ for (i = NR_EXCEPTIONS; i < irq_bcr.irqs + NR_EXCEPTIONS; i++) { write_aux_reg(AUX_IRQ_SELECT, i); write_aux_reg(AUX_IRQ_PRIORITY, ARCV2_IRQ_DEF_PRIO); + write_aux_reg(AUX_IRQ_ENABLE, 0); } /* setup status32, don't enable intr yet as kernel doesn't want */ |
