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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-07-18 10:27:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-07-18 10:27:12 -0700 |
| commit | 59ee762156f5c6c7238ca3abe5762690aa65808b (patch) | |
| tree | c7ef68ce31bdb9feb5d06908a9246c546d921841 /kernel/cpu.c | |
| parent | Merge branch 'akpm' (patches from Andrew) (diff) | |
| parent | irqchip/gicv3-its: Fix mapping of LPIs to collections (diff) | |
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
"Misc irq fixes:
- two driver fixes
- a Xen regression fix
- a nested irq thread crash fix"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gicv3-its: Fix mapping of LPIs to collections
genirq: Prevent resend to interrupts marked IRQ_NESTED_THREAD
genirq: Revert sparse irq locking around __cpu_up() and move it to x86 for now
gpio/davinci: Fix race in installing chained irq handler
Diffstat (limited to 'kernel/cpu.c')
| -rw-r--r-- | kernel/cpu.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 6a374544d495..5644ec5582b9 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -527,18 +527,9 @@ static int _cpu_up(unsigned int cpu, int tasks_frozen) goto out_notify; } - /* - * Some architectures have to walk the irq descriptors to - * setup the vector space for the cpu which comes online. - * Prevent irq alloc/free across the bringup. - */ - irq_lock_sparse(); - /* Arch-specific enabling code. */ ret = __cpu_up(cpu, idle); - irq_unlock_sparse(); - if (ret != 0) goto out_notify; BUG_ON(!cpu_online(cpu)); |