#include #include "evsel.h" #include "counts.h" struct perf_counts *perf_counts__new(int ncpus, int nthreads) { struct perf_counts *counts = zalloc(sizeof(*counts)); if (counts) { struct xyarray *values; values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values)); if (!values) { free(counts); return NULL; } counts->values = values; } return counts; } void perf_counts__delete(struct perf_counts *counts) { if (counts) { xyarray__delete(counts->values); free(counts); } } static void perf_counts__reset(struct perf_counts *counts) { xyarray__reset(counts->values); } void perf_evsel__reset_counts(struct perf_evsel *evsel) { perf_counts__reset(evsel->counts); } int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus, int nthreads) { evsel->counts = perf_counts__new(ncpus, nthreads); return evsel->counts != NULL ? 0 : -ENOMEM; } void perf_evsel__free_counts(struct perf_evsel *evsel) { perf_counts__delete(evsel->counts); evsel->counts = NULL; } hange='this.form.submit();'> net-next plumbingsTobias Klauser
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authorJohan Hovold <johan@kernel.org>2017-01-30 11:26:38 +0100
committerJiri Kosina <jkosina@suse.cz>2017-01-31 12:59:32 +0100
commit7a7b5df84b6b4e5d599c7289526eed96541a0654 (patch)
treecf7514c7ddf4410fe37ca9099a2785e1cf08fa7d /tools/lib/lockdep/preload.c
parent877a021e08ccb6434718c0cc781fdf943c884cc0 (diff)
HID: cp2112: fix sleep-while-atomic
A recent commit fixing DMA-buffers on stack added a shared transfer buffer protected by a spinlock. This is broken as the USB HID request callbacks can sleep. Fix this up by replacing the spinlock with a mutex. Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable") Cc: stable <stable@vger.kernel.org> # 4.9 Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'tools/lib/lockdep/preload.c')