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| author | Ralf Baechle <ralf@linux-mips.org> | 2007-09-21 17:13:55 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-09-24 18:13:02 +0100 |
| commit | 1146fe30504a1edd8a434f500e1be139492570c9 (patch) | |
| tree | ba6dec916c23506580be7a5756dd583105da41ba /arch/mips/kernel/smtc.c | |
| parent | 7bae705ef2c2daac1993de03e5be93b5c300fc5e (diff) | |
| download | linux-1146fe30504a1edd8a434f500e1be139492570c9.tar.gz linux-1146fe30504a1edd8a434f500e1be139492570c9.tar.bz2 linux-1146fe30504a1edd8a434f500e1be139492570c9.zip | |
[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 <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/smtc.c')
| -rw-r--r-- | arch/mips/kernel/smtc.c | 5 |
1 files changed, 4 insertions, 1 deletions
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 <asm/smtc_proc.h> /* - * 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); \ |