diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-04-14 16:44:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-14 16:44:42 +0200 |
| commit | 740c699a8d316c8bf8593f19e2ca47795e690622 (patch) | |
| tree | a78886955770a477945c5d84e06b2e7678733b54 /arch/arm/kernel/hw_breakpoint.c | |
| parent | e69af4657e7764d03ad555f0b583d9c4217bcefa (diff) | |
| parent | c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff) | |
Merge tag 'v3.15-rc1' into perf/urgent
Pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/kernel/hw_breakpoint.c')
| -rw-r--r-- | arch/arm/kernel/hw_breakpoint.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index 3d446605cbf..4d963fb66e3 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -167,7 +167,7 @@ static int debug_arch_supported(void) /* Can we determine the watchpoint access type from the fsr? */ static int debug_exception_updates_fsr(void) { - return 0; + return get_debug_arch() >= ARM_DEBUG_ARCH_V8; } /* Determine number of WRP registers available. */ @@ -257,6 +257,7 @@ static int enable_monitor_mode(void) break; case ARM_DEBUG_ARCH_V7_ECP14: case ARM_DEBUG_ARCH_V7_1: + case ARM_DEBUG_ARCH_V8: ARM_DBG_WRITE(c0, c2, 2, (dscr | ARM_DSCR_MDBGEN)); isb(); break; @@ -1072,6 +1073,8 @@ static int __init arch_hw_breakpoint_init(void) core_num_brps = get_num_brps(); core_num_wrps = get_num_wrps(); + cpu_notifier_register_begin(); + /* * We need to tread carefully here because DBGSWENABLE may be * driven low on this core and there isn't an architected way to @@ -1088,6 +1091,7 @@ static int __init arch_hw_breakpoint_init(void) if (!cpumask_empty(&debug_err_mask)) { core_num_brps = 0; core_num_wrps = 0; + cpu_notifier_register_done(); return 0; } @@ -1107,7 +1111,10 @@ static int __init arch_hw_breakpoint_init(void) TRAP_HWBKPT, "breakpoint debug exception"); /* Register hotplug and PM notifiers. */ - register_cpu_notifier(&dbg_reset_nb); + __register_cpu_notifier(&dbg_reset_nb); + + cpu_notifier_register_done(); + pm_init(); return 0; } |