...@jms.id.au
Sent: Wednesday, 25 March, 2015 6:25:09 AM
Subject: Re: powerpc/perf: add missing put_cpu_var in power_pmu_event_init
On Tue, 2015-24-03 at 12:33:22 UTC, Jan Stancek wrote:
One path in power_pmu_event_init() calls get_cpu_var(), but is
missing matching call to put_cpu_var(), which
On Tue, 2015-24-03 at 12:33:22 UTC, Jan Stancek wrote:
One path in power_pmu_event_init() calls get_cpu_var(), but is
missing matching call to put_cpu_var(), which causes preemption
imbalance and crash in user-space:
Page fault in user mode with in_atomic() = 1 mm = c01fefa5a280
NIP
One path in power_pmu_event_init() calls get_cpu_var(), but is
missing matching call to put_cpu_var(), which causes preemption
imbalance and crash in user-space:
Page fault in user mode with in_atomic() = 1 mm = c01fefa5a280
NIP = 3fff9bf2cae0 MSR = 90014280f032
Oops: Weird page