/* * Copyright (C) 2015, He Kuang * Copyright (C) 2015, Huawei Inc. */ #ifndef __BPF_PROLOGUE_H #define __BPF_PROLOGUE_H #include #include #include "probe-event.h" #define BPF_PROLOGUE_MAX_ARGS 3 #define BPF_PROLOGUE_START_ARG_REG BPF_REG_3 #define BPF_PROLOGUE_FETCH_RESULT_REG BPF_REG_2 #ifdef HAVE_BPF_PROLOGUE int bpf__gen_prologue(struct probe_trace_arg *args, int nargs, struct bpf_insn *new_prog, size_t *new_cnt, size_t cnt_space); #else static inline int bpf__gen_prologue(struct probe_trace_arg *args __maybe_unused, int nargs __maybe_unused, struct bpf_insn *new_prog __maybe_unused, size_t *new_cnt, size_t cnt_space __maybe_unused) { if (!new_cnt) return -EINVAL; *new_cnt = 0; return -ENOTSUP; } #endif #endif /* __BPF_PROLOGUE_H */ x/net-next.git/'>net-next.git
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/perf/pmu-events/jevents.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/pmu-events/jevents.c')