From 1146fe30504a1edd8a434f500e1be139492570c9 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Fri, 21 Sep 2007 17:13:55 +0100 Subject: [MIPS] SMTC: Make ack_bad_irq() safe with no IM backstop. Issue reported and original patch by Kevin Kissel, cleaner (imho) implementation by me. Signed-off-by: Ralf Baechle --- arch/mips/kernel/smtc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'arch/mips/kernel/smtc.c') diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 43826c16101d..f09404377ef1 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -25,8 +25,11 @@ #include /* - * This file should be built into the kernel only if CONFIG_MIPS_MT_SMTC is set. + * SMTC Kernel needs to manipulate low-level CPU interrupt mask + * in do_IRQ. These are passed in setup_irq_smtc() and stored + * in this table. */ +unsigned long irq_hwmask[NR_IRQS]; #define LOCK_MT_PRA() \ local_irq_save(flags); \ -- cgit v1.2.3-59-g8ed1b