diff options
| author | Peter Zijlstra <[email protected]> | 2019-02-27 09:53:46 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2019-06-17 12:43:42 +0200 |
| commit | 602447f95461469e20c81254c1c08be23a46fe53 (patch) | |
| tree | 301cde85cd4ff11e35efa524f2a602851fb5b6de /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | 9ed7d75b2f09d836e71d597cd5879abb1a44e7a9 (diff) | |
x86/percpu, x86/irq: Relax {set,get}_irq_regs()
Nadav reported that since the this_cpu_*() ops got asm-volatile
constraints on, code generation suffered for do_IRQ(), but since this
is all with IRQs disabled we can use __this_cpu_*().
smp_x86_platform_ipi 234 222 -12,+0
smp_kvm_posted_intr_ipi 74 66 -8,+0
smp_kvm_posted_intr_wakeup_ipi 86 78 -8,+0
smp_apic_timer_interrupt 292 284 -8,+0
smp_kvm_posted_intr_nested_ipi 74 66 -8,+0
do_IRQ 195 187 -8,+0
Reported-by: Nadav Amit <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions