Re: [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule()
From: Chris Metcalf <hidden>
Date: 2011-01-17 13:58:16
Also in:
linux-alpha, linux-arch, linux-mips, linux-um, linuxppc-dev, xen-devel
Possibly related (same subject, not in this thread)
- 2011-02-09 · [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() · peterz@infradead.org (Peter Zijlstra)
- 2011-02-09 · [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() · benh@kernel.crashing.org (Benjamin Herrenschmidt)
- 2011-02-07 · [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() · peterz@infradead.org (Peter Zijlstra)
- 2011-02-06 · [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() · benh@kernel.crashing.org (Benjamin Herrenschmidt)
- 2011-01-17 · [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() · peterz@infradead.org (Peter Zijlstra)
On 1/17/2011 6:41 AM, Peter Zijlstra wrote:
quoted hunk ↗ jump to hunk
Index: linux-2.6/arch/tile/kernel/smp.c ===================================================================--- linux-2.6.orig/arch/tile/kernel/smp.c +++ linux-2.6/arch/tile/kernel/smp.c@@ -184,12 +184,8 @@ void flush_icache_range(unsigned long st /* Called when smp_send_reschedule() triggers IRQ_RESCHEDULE. */ static irqreturn_t handle_reschedule_ipi(int irq, void *token) { - /* - * Nothing to do here; when we return from interrupt, the - * rescheduling will occur there. But do bump the interrupt - * profiler count in the meantime. - */ __get_cpu_var(irq_stat).irq_resched_count++; + scheduler_ipi(); return IRQ_HANDLED; }
Acked-by: Chris Metcalf <redacted> -- Chris Metcalf, Tilera Corp. http://www.tilera.com