Commit b2018282 authored by Thomas Richter's avatar Thomas Richter Committed by Vasily Gorbik
Browse files

s390/cpum_sf: Use hwc as variable consistently 



In hw_perf_event_update() and cpumsf_pmu_enable() use variable hwc
consistently to access event's hardware related data.
No functional change.

Signed-off-by: default avatarThomas Richter <tmricht@linux.ibm.com>
Acked-by: default avatarSumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent d4559eab

arch/s390/kernel/perf_cpum_sf.c

+2 −2
Original line number Diff line number Diff line
@@ -1014,7 +1014,7 @@ static void cpumsf_pmu_enable(struct pmu *pmu) 
			extend_sampling_buffer(&cpuhw->sfb, hwc);

		}

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

		cpuhw->lsctl.interval = SAMPL_RATE(&cpuhw->event->hw);

		cpuhw->lsctl.interval = SAMPL_RATE(hwc);

	}



	/* (Re)enable the PMU and sampling facility */
@@ -1291,7 +1291,7 @@ static void hw_perf_event_update(struct perf_event *event, int flush_all) 
	 * AUX buffer is used when in diagnostic sampling mode.

	 * No perf events/samples are created.

	 */

	if (SAMPL_DIAG_MODE(&event->hw))

	if (SAMPL_DIAG_MODE(hwc))

		return;



	sdbt = (unsigned long *)TEAR_REG(hwc);