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Date: Tue, 24 Jan 2017 08:56:07 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>, Michael Ellerman <mpe@...erman.id.au> Subject: [PATCH 4.9 127/130] selftest/powerpc: Wrong PMC initialized in pmc56_overflow test 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Madhavan Srinivasan <maddy@...ux.vnet.ibm.com> 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@...ux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@...erman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- 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);
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