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| author | Arnd Bergmann <arnd@arndb.de> | 2012-02-22 14:20:07 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-02-22 14:20:18 +0000 |
| commit | 2daa79ec2126f8e710391e9d8e8f0d31d7c91d5f (patch) | |
| tree | ab89c74c09c2986fa01c25ad8e45989a48a18899 /arch/powerpc/kernel/irq.c | |
| parent | 7dae8c5209147ad06d424928a5f1ec45caa87691 (diff) | |
| parent | 678a0222edc9da43a22145d68647500ee85e6c04 (diff) | |
Merge branch 'lpc32xx/drivers' into next/drivers
* lpc32xx/drivers: (566 commits)
ARM: LPC32xx: ADC support for mach-lpc32xx
Includes an update to Linux 3.3-rc4
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 701d4aceb4f..01e2877e8e0 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -118,10 +118,14 @@ static inline notrace void set_soft_enabled(unsigned long enable) static inline notrace void decrementer_check_overflow(void) { u64 now = get_tb_or_rtc(); - u64 *next_tb = &__get_cpu_var(decrementers_next_tb); + u64 *next_tb; + + preempt_disable(); + next_tb = &__get_cpu_var(decrementers_next_tb); if (now >= *next_tb) set_dec(1); + preempt_enable(); } notrace void arch_local_irq_restore(unsigned long en) |