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| author | Olof Johansson <olof@lixom.net> | 2014-05-05 23:18:49 +0200 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2014-05-05 23:18:49 +0200 |
| commit | 186a73dc9a81b087d0708f21a990615957ec9c1c (patch) | |
| tree | a1db8d517665fb27f25d44eacacd4b80a0d540ed /arch/arm64/kernel/debug-monitors.c | |
| parent | Merge tag 'versatile-leds' of git://git.kernel.org/pub/scm/linux/kernel/git/l... (diff) | |
| parent | ARM: qcom: clean-up unneeded kconfig selects (diff) | |
| download | linux-186a73dc9a81b087d0708f21a990615957ec9c1c.tar.xz linux-186a73dc9a81b087d0708f21a990615957ec9c1c.zip | |
Merge tag 'kconfig-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into next/cleanup
Merge Kconfig cleanups from Rob Herring:
Several mach kconfig clean-ups of redundant selects
* tag 'kconfig-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
ARM: qcom: clean-up unneeded kconfig selects
ARM: bcm: clean-up unneeded kconfig selects
ARM: mvebu: clean-up unneeded kconfig selects
+ Linux 3.15-rc2
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm64/kernel/debug-monitors.c')
| -rw-r--r-- | arch/arm64/kernel/debug-monitors.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c index 636ba8b6240b..ed3955a95747 100644 --- a/arch/arm64/kernel/debug-monitors.c +++ b/arch/arm64/kernel/debug-monitors.c @@ -137,7 +137,6 @@ void disable_debug_monitors(enum debug_el el) static void clear_os_lock(void *unused) { asm volatile("msr oslar_el1, %0" : : "r" (0)); - isb(); } static int os_lock_notify(struct notifier_block *self, @@ -155,12 +154,17 @@ static struct notifier_block os_lock_nb = { static int debug_monitors_init(void) { + cpu_notifier_register_begin(); + /* Clear the OS lock. */ - smp_call_function(clear_os_lock, NULL, 1); - clear_os_lock(NULL); + on_each_cpu(clear_os_lock, NULL, 1); + isb(); + local_dbg_enable(); /* Register hotplug handler. */ - register_cpu_notifier(&os_lock_nb); + __register_cpu_notifier(&os_lock_nb); + + cpu_notifier_register_done(); return 0; } postcore_initcall(debug_monitors_init); @@ -189,7 +193,7 @@ static void clear_regs_spsr_ss(struct pt_regs *regs) /* EL1 Single Step Handler hooks */ static LIST_HEAD(step_hook); -DEFINE_RWLOCK(step_hook_lock); +static DEFINE_RWLOCK(step_hook_lock); void register_step_hook(struct step_hook *hook) { @@ -276,7 +280,7 @@ static int single_step_handler(unsigned long addr, unsigned int esr, * Use reader/writer locks instead of plain spinlock. */ static LIST_HEAD(break_hook); -DEFINE_RWLOCK(break_hook_lock); +static DEFINE_RWLOCK(break_hook_lock); void register_break_hook(struct break_hook *hook) { |