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| author | David Daney <david.daney@cavium.com> | 2013-09-12 01:23:29 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-12 02:58:25 +0400 |
| commit | 202da400570d991bacda4a06e878cb901e96a783 (patch) | |
| tree | 135d76acc021c2a67b8c24dc1084b3d6cf8e01e5 /kernel/task_work.c | |
| parent | f9597f24c089dcbddbd2d9e99fbf00df57fb70c6 (diff) | |
| download | linux-202da400570d991bacda4a06e878cb901e96a783.tar.xz | |
kernel/smp.c: quit unconditionally enabling irqs in on_each_cpu_mask().
As in commit f21afc25f9ed ("smp.h: Use local_irq_{save,restore}() in
!SMP version of on_each_cpu()"), we don't want to enable irqs if they
are not already enabled.
I don't know of any bugs currently caused by this unconditional
local_irq_enable(), but I want to use this function in MIPS/OCTEON early
boot (when we have early_boot_irqs_disabled). This also makes this
function have similar semantics to on_each_cpu() which is good in
itself.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/task_work.c')
0 files changed, 0 insertions, 0 deletions