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| author | Mauro Carvalho Chehab <[email protected]> | 2014-04-14 12:00:36 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <[email protected]> | 2014-04-14 12:00:36 -0300 |
| commit | 277a163c83d7ba93fba1e8980d29a9f8bfcfba6c (patch) | |
| tree | ccfd357d152292958957b6b8a993892e7a8cc95f /arch/arm64/kernel/debug-monitors.c | |
| parent | a83b93a7480441a47856dc9104bea970e84cda87 (diff) | |
| parent | c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff) | |
Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1
* tag 'v3.15-rc1': (12180 commits)
Linux 3.15-rc1
mm: Initialize error in shmem_file_aio_read()
cifs: Use min_t() when comparing "size_t" and "unsigned long"
sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue
powerpc: Don't try to set LPCR unless we're in hypervisor mode
futex: update documentation for ordering guarantees
ceph: fix pr_fmt() redefinition
vti: don't allow to add the same tunnel twice
gre: don't allow to add the same tunnel twice
drivers: net: xen-netfront: fix array initialization bug
missing bits of "splice: fix racy pipe->buffers uses"
cifs: fix the race in cifs_writev()
ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
pktgen: be friendly to LLTX devices
r8152: check RTL8152_UNPLUG
net: sun4i-emac: add promiscuous support
net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
blackfin: cleanup board files
bf609: clock: drop unused clock bit set/clear functions
Blackfin: bf537: rename "CONFIG_ADT75"
...
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) { |