Hi Mike,
On 2020-07-29 01:46, Mike Leach wrote:
Hi Sai,
On Tue, 28 Jul 2020 at 08:51, Sai Prakash Ranjan
wrote:
etm4_count keeps track of number of ETMv4 registered and on some
systems,
a race is observed on etm4_count variable which can lead to multiple
calls
to cpuhp_setup_state_nocalls_
Hi Sai,
On Tue, 28 Jul 2020 at 08:51, Sai Prakash Ranjan
wrote:
>
> etm4_count keeps track of number of ETMv4 registered and on some systems,
> a race is observed on etm4_count variable which can lead to multiple calls
> to cpuhp_setup_state_nocalls_cpuslocked(). This function internally calls
>
On 2020-07-28 13:59, Stephen Boyd wrote:
Quoting Sai Prakash Ranjan (2020-07-28 00:51:02)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c
b/drivers/hwtracing/coresight/coresight-etm4x.c
index 6d7d2169bfb2..adb71987a1e3 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.c
+++ b/
Quoting Sai Prakash Ranjan (2020-07-28 00:51:02)
> diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c
> b/drivers/hwtracing/coresight/coresight-etm4x.c
> index 6d7d2169bfb2..adb71987a1e3 100644
> --- a/drivers/hwtracing/coresight/coresight-etm4x.c
> +++ b/drivers/hwtracing/coresight/coresi
etm4_count keeps track of number of ETMv4 registered and on some systems,
a race is observed on etm4_count variable which can lead to multiple calls
to cpuhp_setup_state_nocalls_cpuslocked(). This function internally calls
cpuhp_store_callbacks() which prevents multiple registrations of callbacks
f
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