#ifndef DIE_H #define DIE_H #include #include #include #include #include #include #include #include #include "built_in.h" extern void panic_handler_add(void (*on_panic)(void *arg), void *arg); extern void call_panic_handlers(void); static inline void panic(const char *format, ...) __check_format_printf(1, 2); static inline void syslog_panic(const char *format, ...) __check_format_printf(1, 2); static inline void syslog_maybe(bool cond, int priority, const char *format, ...) __check_format_printf(3, 4); static inline void __noreturn __die_hard(void) { call_panic_handlers(); exit(EXIT_FAILURE); } static inline void __noreturn __die_harder(void) { call_panic_handlers(); _exit(EXIT_FAILURE); } static inline void __noreturn die(void) { __die_hard(); } static inline void __noreturn _die(void) { __die_harder(); } static inline void __noreturn panic(const char *format, ...) { va_list vl; va_start(vl, format); vfprintf(stderr, format, vl); va_end(vl); die(); } static inline void __noreturn syslog_panic(const char *format, ...) { va_list vl; va_start(vl, format); vsyslog(LOG_ERR, format, vl); va_end(vl); die(); } static inline void syslog_maybe(bool cond, int priority, const char *format, ...) { if (cond) { va_list vl; va_start(vl, format); vsyslog(priority, format, vl); va_end(vl); } } #endif /* DIE_H */ d class='sub right'>Tobias Klauser

summary refs log tree commit diff

diff options

author	Pan Xinhui <xinhui.pan@linux.vnet.ibm.com>	2016-07-13 18:23:34 +0800
committer	Ingo Molnar <mingo@kernel.org>	2016-08-10 14:13:29 +0200
commit	c2ace36b884de9330c4149064ae8d212d2e0d9ee (patch)
tree	bd9ffc016134a9315c1d8b65502483298b6a0238
parent	229ce631574761870a2ac938845fadbd07f35caa (diff)

locking/pvqspinlock: Fix a bug in qstat_read()

It's obviously wrong to set stat to NULL. So lets remove it. Otherwise it is always zero when we check the latency of kick/wake. Signed-off-by: Pan Xinhui <xinhui.pan@linux.vnet.ibm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Waiman Long <Waiman.Long@hpe.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1468405414-3700-1-git-send-email-xinhui.pan@linux.vnet.ibm.com Signed-off-by: Ingo Molnar <mingo@kernel.org>