mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-08 18:43:21 +01:00
Frederic Weisbecker
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 <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Acked-by: Peter Zijlstra <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: David S. Miller <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Helge Deller <[email protected]> Cc: James E.J. Bottomley <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Rich Felker <[email protected]> Cc: Sebastian Andrzej Siewior <[email protected]> Cc: Tony Luck <[email protected]> Cc: Yoshinori Sato <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
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 <[email protected]> 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 */
|