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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-11-25 12:59:03 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-12-23 12:05:04 +0530 |
| commit | ddf84433f411b612e935a6719ee395bb9dd2221f (patch) | |
| tree | d9dab0c2b2b6aa73e1959149e21baf38031dc7ff /arch/arc/include/asm | |
| parent | 413541dd66d51f791a0b169d9b9014e4f56be13c (diff) | |
| download | linux-ddf84433f411b612e935a6719ee395bb9dd2221f.tar.gz linux-ddf84433f411b612e935a6719ee395bb9dd2221f.tar.bz2 linux-ddf84433f411b612e935a6719ee395bb9dd2221f.zip | |
ARC: [SMP] cpumask not needed in IPI send path
The current IPI sending callstack needlessly involves cpumask.
arch_send_call_function_single_ipi(cpu) / smp_send_reschedule(cpu)
ipi_send_msg(cpumask_of(cpu)) --> [cpu to cpumask]
plat_smp_ops.ipi_send(callmap)
for_each_cpu(callmap) --> [cpuask to cpu]
do_plat_specific_ipi_PER_CPU
Given that current backends are not capable of 1:N IPIs, lets simplify
the interface for now, by keeping "a" cpu all along.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm')
| -rw-r--r-- | arch/arc/include/asm/smp.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h index eefc29f08cdb..9b40e3bdc1ba 100644 --- a/arch/arc/include/asm/smp.h +++ b/arch/arc/include/asm/smp.h @@ -46,13 +46,13 @@ extern int smp_ipi_irq_setup(int cpu, int irq); * * @info: SoC SMP specific info for /proc/cpuinfo etc * @cpu_kick: For Master to kickstart a cpu (optionally at a PC) - * @ipi_send: To send IPI to a @cpumask + * @ipi_send: To send IPI to a @cpu * @ips_clear: To clear IPI received by @cpu at @irq */ struct plat_smp_ops { const char *info; void (*cpu_kick)(int cpu, unsigned long pc); - void (*ipi_send)(void *callmap); + void (*ipi_send)(int cpu); void (*ipi_clear)(int cpu, int irq); }; |