Messages in this thread | | | Date | Mon, 24 Sep 2012 09:35:30 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH] ARM: gic: fix irq affinity mismatch. |
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On Mon, Sep 24, 2012 at 12:06:19PM +0900, Chanho Min wrote: > Even if we set affinity to multiple cpus via procfs, gic_set_affinity > allows to set one target only. But, '/proc/irq/xxx/smp_affinity' shows > as we are successful in the setting of multiple affinity. Thus irq_data-> > affinity mismatches with the GICD_ITARGETSRs. > > fix it as bellows. > - Set the default affinity to the boot cpu in gic_dist_init. thereafter, > irq_data->affinity will be set to default 1-bit affinity. > - Even if we write multiple bits to smp_affinity, both irq_data and gic > register will be set one cpu. procfs will show 1 bit affinity as well.
This has come up before. There is no requirement to make the affinity mask reflect back to userspace what the hardware is doing. So, NAK.
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