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s390/cpum_sf: Use hwc as variable consistently

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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: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth 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: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Thomas Richter
2024-07-25 13:20:32 +02:00
committed by Vasily Gorbik
parent d4559eabc1
commit b201828290
1 changed files with 2 additions and 2 deletions
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4
arch/s390/kernel/perf_cpum_sf.c
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@@ -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);