diff options
| author |   Jason Liu <r64343@freescale.com> | 2013-07-01 09:53:30 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2013-07-09 22:12:04 +0100 |
| commit | cbbe6f82b489e7ceba4ad7c833bd3a76cd0084cb (patch) | |
| tree | d761028050940cf1ac61a68aadb213b4883ddb83 /arch | |
| parent | ARM: 7782/1: Kconfig: Let ARM_ERRATA_364296 not depend on CONFIG_SMP (diff) | |
| download | linux-dev-cbbe6f82b489e7ceba4ad7c833bd3a76cd0084cb.tar.xz linux-dev-cbbe6f82b489e7ceba4ad7c833bd3a76cd0084cb.zip | |
ARM: 7778/1: smp_twd: twd_update_frequency need be run on all online CPUs
When the local timer freq changed, the twd_update_frequency function
should be run all the CPUs include itself, otherwise, the twd freq will
not get updated and the local timer will not run correcttly.
smp_call_function will run functions on all other CPUs, but not include
himself, this is not correct,use on_each_cpu instead to fix this issue.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: stable@vger.kernel.org
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Jason Liu <r64343@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kernel/smp_twd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index 90525d9d290b..f6fd1d4398c6 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -120,7 +120,7 @@ static int twd_rate_change(struct notifier_block *nb, * changing cpu. */ if (flags == POST_RATE_CHANGE) - smp_call_function(twd_update_frequency, + on_each_cpu(twd_update_frequency, (void *)&cnd->new_rate, 1); return NOTIFY_OK; |