#include "util.h" #include "../debug.h" /* * Default error logging functions */ static int perf_stdio__error(const char *format, va_list args) { fprintf(stderr, "Error:\n"); vfprintf(stderr, format, args); return 0; } static int perf_stdio__warning(const char *format, va_list args) { fprintf(stderr, "Warning:\n"); vfprintf(stderr, format, args); return 0; } static struct perf_error_ops default_eops = { .error = perf_stdio__error, .warning = perf_stdio__warning, }; static struct perf_error_ops *perf_eops = &default_eops; int ui__error(const char *format, ...) { int ret; va_list args; va_start(args, format); ret = perf_eops->error(format, args); va_end(args); return ret; } int ui__warning(const char *format, ...) { int ret; va_list args; va_start(args, format); ret = perf_eops->warning(format, args); va_end(args); return ret; } /** * perf_error__register - Register error logging functions * @eops: The pointer to error logging function struct * * Register UI-specific error logging functions. Before calling this, * other logging functions should be unregistered, if any. */ int perf_error__register(struct perf_error_ops *eops) { if (perf_eops != &default_eops) return -1; perf_eops = eops; return 0; } /** * perf_error__unregister - Unregister error logging functions * @eops: The pointer to error logging function struct * * Unregister already registered error logging functions. */ int perf_error__unregister(struct perf_error_ops *eops) { if (perf_eops != eops) return -1; perf_eops = &default_eops; return 0; } et-next.git/?h=nds-private-remove'>summaryrefslogtreecommitdiff
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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/perf/bench/futex-hash.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/perf/bench/futex-hash.c')