mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-20 19:23:57 +08:00
0fd7d86285
Consolidate and optimize default softirq mask API implementations. Per-CPU operations are expected to be faster and a few architectures already rely on them to implement local_softirq_pending() and related accessors/mutators. Those will be migrated to the new generic code. Signed-off-by: Frederic Weisbecker <frederic@kernel.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David S. Miller <davem@davemloft.net> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: James E.J. Bottomley <jejb@parisc-linux.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Rich Felker <dalias@libc.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/1525786706-22846-6-git-send-email-frederic@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
29 lines
845 B
C
29 lines
845 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __irq_cpustat_h
|
|
#define __irq_cpustat_h
|
|
|
|
/*
|
|
* Contains default mappings for irq_cpustat_t, used by almost every
|
|
* architecture. Some arch (like s390) have per cpu hardware pages and
|
|
* they define their own mappings for irq_stat.
|
|
*
|
|
* Keith Owens <kaos@ocs.com.au> July 2000.
|
|
*/
|
|
|
|
|
|
/*
|
|
* Simple wrappers reducing source bloat. Define all irq_stat fields
|
|
* here, even ones that are arch dependent. That way we get common
|
|
* definitions instead of differing sets for each arch.
|
|
*/
|
|
|
|
#ifndef __ARCH_IRQ_STAT
|
|
DECLARE_PER_CPU_ALIGNED(irq_cpustat_t, irq_stat); /* defined in asm/hardirq.h */
|
|
#define __IRQ_STAT(cpu, member) (per_cpu(irq_stat.member, cpu))
|
|
#endif
|
|
|
|
/* arch dependent irq_stat fields */
|
|
#define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386 */
|
|
|
|
#endif /* __irq_cpustat_h */
|