This is a note to let you know that I've just added the patch titled
selftest/powerpc: Wrong PMC initialized in pmc56_overflow test
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
selftest-powerpc-wrong-pmc-initialized-in-pmc56_overflow-test.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From df21d2fa733035e4d414379960f94b2516b41296 Mon Sep 17 00:00:00 2001
From: Madhavan Srinivasan <maddy@xxxxxxxxxxxxxxxxxx>
Date: Mon, 19 Dec 2016 17:46:53 +0530
Subject: selftest/powerpc: Wrong PMC initialized in pmc56_overflow test
From: Madhavan Srinivasan <maddy@xxxxxxxxxxxxxxxxxx>
commit df21d2fa733035e4d414379960f94b2516b41296 upstream.
Test uses PMC2 to count the event. But PMC1 is being initialized.
Patch to fix it.
Fixes: 3752e453f6ba ('selftests/powerpc: Add tests of PMU EBBs')
Signed-off-by: Madhavan Srinivasan <maddy@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
@@ -66,7 +66,7 @@ int pmc56_overflow(void)
FAIL_IF(ebb_event_enable(&event));
- mtspr(SPRN_PMC1, pmc_sample_period(sample_period));
+ mtspr(SPRN_PMC2, pmc_sample_period(sample_period));
mtspr(SPRN_PMC5, 0);
mtspr(SPRN_PMC6, 0);
Patches currently in stable-queue which might be from maddy@xxxxxxxxxxxxxxxxxx are
queue-4.4/selftest-powerpc-wrong-pmc-initialized-in-pmc56_overflow-test.patch
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