diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2019-02-27 10:27:58 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2019-06-17 12:43:43 +0200 |
| commit | 8dc2d993cf1aea578d947e34ea2d5c6ffd1644e4 (patch) | |
| tree | d6eaa5e880f797ca01c677175df65031a90ca032 /arch/x86/include/asm/percpu.h | |
| parent | x86/percpu, x86/irq: Relax {set,get}_irq_regs() (diff) | |
| download | linux-dev-8dc2d993cf1aea578d947e34ea2d5c6ffd1644e4.tar.xz linux-dev-8dc2d993cf1aea578d947e34ea2d5c6ffd1644e4.zip | |
x86/percpu, sched/fair: Avoid local_clock()
Nadav reported that code-gen changed because of the this_cpu_*()
constraints, avoid this for select_idle_cpu() because that runs with
preemption (and IRQs) disabled anyway.
Reported-by: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/percpu.h')
0 files changed, 0 insertions, 0 deletions