diff options
author | Patrick McHardy <kaber@trash.net> | 2010-02-10 14:17:10 +0100 |
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committer | Patrick McHardy <kaber@trash.net> | 2010-02-10 14:17:10 +0100 |
commit | 9ab99d5a43e9f283738fd9fd365539306d13eaac (patch) | |
tree | 0214a63e3f4f7f4f187f0139e4a5d8abe453902b /kernel/hw_breakpoint.c | |
parent | 76780373190d7e8ddfb6fed06aef068e2445c743 (diff) | |
parent | b1109bf085c8dd69537b7876ea83f914dd1fe46a (diff) |
Merge branch 'master' of /repos/git/net-next-2.6
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'kernel/hw_breakpoint.c')
-rw-r--r-- | kernel/hw_breakpoint.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/kernel/hw_breakpoint.c b/kernel/hw_breakpoint.c index dbcbf6a33a0..50dbd599958 100644 --- a/kernel/hw_breakpoint.c +++ b/kernel/hw_breakpoint.c @@ -40,6 +40,7 @@ #include <linux/percpu.h> #include <linux/sched.h> #include <linux/init.h> +#include <linux/cpu.h> #include <linux/smp.h> #include <linux/hw_breakpoint.h> @@ -388,7 +389,8 @@ register_wide_hw_breakpoint(struct perf_event_attr *attr, if (!cpu_events) return ERR_PTR(-ENOMEM); - for_each_possible_cpu(cpu) { + get_online_cpus(); + for_each_online_cpu(cpu) { pevent = per_cpu_ptr(cpu_events, cpu); bp = perf_event_create_kernel_counter(attr, cpu, -1, triggered); @@ -399,18 +401,20 @@ register_wide_hw_breakpoint(struct perf_event_attr *attr, goto fail; } } + put_online_cpus(); return cpu_events; fail: - for_each_possible_cpu(cpu) { + for_each_online_cpu(cpu) { pevent = per_cpu_ptr(cpu_events, cpu); if (IS_ERR(*pevent)) break; unregister_hw_breakpoint(*pevent); } + put_online_cpus(); + free_percpu(cpu_events); - /* return the error if any */ return ERR_PTR(err); } EXPORT_SYMBOL_GPL(register_wide_hw_breakpoint); |