Commit c17a7c6e authored by Thomas Richter's avatar Thomas Richter Committed by Vasily Gorbik
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s390/cpum_sf: Remove unnecessary check for pending SDBs 



In interrupt handling the function extend_sampling_buffer()
is called after checking for a possibly extension.
This check is not necessary as the called function itself
performs this check again.

Signed-off-by: default avatarThomas Richter <tmricht@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 532da3de

arch/s390/kernel/perf_cpum_sf.c

+1 −2
Original line number Diff line number Diff line
@@ -952,7 +952,6 @@ static void cpumsf_pmu_enable(struct pmu *pmu) 
			 * buffer extents

			 */

			sfb_account_overflows(cpuhw, hwc);

			if (sfb_has_pending_allocs(&cpuhw->sfb, hwc))

			extend_sampling_buffer(&cpuhw->sfb, hwc);

		}

		/* Rate may be adjusted with ioctl() */