linux_dsm_epyc7002/arch/x86/kernel/apic
Suresh Siddha 0b8255e660 x86/x2apic/cluster: Use all the members of one cluster specified in the smp_affinity mask for the interrupt destination
If the HW implements round-robin interrupt delivery, this
enables multiple cpu's (which are part of the user specified
interrupt smp_affinity mask and belong to the same x2apic
cluster) to service the interrupt.

Also if the platform supports Power Aware Interrupt Routing,
then this enables the interrupt to be routed to an idle cpu or a
busy cpu depending on the perf/power bias tunable.

We are now grouping all the cpu's in a cluster to one vector
domain. So that will limit the total number of interrupt sources
handled by Linux. Previously we support "cpu-count *
available-vectors-per-cpu" interrupt sources but this will now
reduce to "cpu-count/16 * available-vectors-per-cpu".

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: yinghai@kernel.org
Cc: gorcunov@openvz.org
Cc: agordeev@redhat.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1337644682-19854-2-git-send-email-suresh.b.siddha@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-06-06 09:51:22 +02:00
..
apic_flat_64.c x86/apic: Add apic->eoi_write() callback 2012-05-18 09:46:08 +02:00
apic_noop.c x86/apic: Add apic->eoi_write() callback 2012-05-18 09:46:08 +02:00
apic_numachip.c x86/apic: Add apic->eoi_write() callback 2012-05-18 09:46:08 +02:00
apic.c Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-05-22 18:38:11 -07:00
bigsmp_32.c x86/apic: Add apic->eoi_write() callback 2012-05-18 09:46:08 +02:00
es7000_32.c x86/apic: Add apic->eoi_write() callback 2012-05-18 09:46:08 +02:00
hw_nmi.c x86, nmi: Wire up NMI handlers to new routines 2011-10-10 06:56:57 +02:00
io_apic.c x86/irq: Update irq_cfg domain unless the new affinity is a subset of the current domain 2012-06-06 09:51:22 +02:00
ipi.c x86: Always use x86_cpu_to_logical_apicid for cpu -> logical apic id 2011-01-28 14:54:05 +01:00
Makefile x86: Add NumaChip support 2011-12-05 17:17:24 +01:00
numaq_32.c x86/apic: Add apic->eoi_write() callback 2012-05-18 09:46:08 +02:00
probe_32.c x86/apic: Add apic->eoi_write() callback 2012-05-18 09:46:08 +02:00
probe_64.c x86, apic: Make apic drivers static 2011-05-22 11:48:04 +02:00
summit_32.c x86/apic: Add apic->eoi_write() callback 2012-05-18 09:46:08 +02:00
x2apic_cluster.c x86/x2apic/cluster: Use all the members of one cluster specified in the smp_affinity mask for the interrupt destination 2012-06-06 09:51:22 +02:00
x2apic_phys.c x86/x2apic/cluster: Use all the members of one cluster specified in the smp_affinity mask for the interrupt destination 2012-06-06 09:51:22 +02:00
x2apic_uv_x.c x86/apic: Implement EIO micro-optimization 2012-05-18 09:46:09 +02:00