AuxXxilium/linux_dsm_epyc7002
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3ca57222c3
linux_dsm_epyc7002/arch/x86/kernel/apic
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Thomas Gleixner 3ca57222c3 x86/apic: Mark single target interrupts 
If the interrupt destination mode of the APIC is physical then the
effective affinity is restricted to a single CPU.

Mark the interrupt accordingly in the domain allocation code, so the core
code can avoid pointless affinity setting attempts.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20170619235447.508846202@linutronix.de
2017-06-22 18:21:26 +02:00
..
apic_flat_64.c x86/apic: Move cpumask and to core code 2017-06-22 18:21:22 +02:00
apic_noop.c x86/apic: Move cpumask and to core code 2017-06-22 18:21:22 +02:00
apic_numachip.c x86/apic: Move cpumask and to core code 2017-06-22 18:21:22 +02:00
apic.c x86/apic: Implement effective irq mask update 2017-06-22 18:21:23 +02:00
bigsmp_32.c x86/apic: Move cpumask and to core code 2017-06-22 18:21:22 +02:00
htirq.c x86/htirq: Create named domain 2017-06-22 18:21:09 +02:00
hw_nmi.c nmi_backtrace: add more trigger_*_cpu_backtrace() methods 2016-10-07 18:46:30 -07:00
io_apic.c x86/ioapic: Create named irq domain 2017-06-22 18:21:09 +02:00
ipi.c x86/kernel: Audit and remove any unnecessary uses of module.h 2016-07-14 15:06:41 +02:00
Makefile kernel: add kcov code coverage 2016-03-22 15:36:02 -07:00
msi.c x86/msi: Create named irq domains 2017-06-22 18:21:11 +02:00
probe_32.c x86/apic: Move cpumask and to core code 2017-06-22 18:21:22 +02:00
probe_64.c x86/apic: Remove duplicated include from probe_64.c 2016-07-19 16:02:31 +02:00
vector.c x86/apic: Mark single target interrupts 2017-06-22 18:21:26 +02:00
x2apic_cluster.c x86/apic: Implement effective irq mask update 2017-06-22 18:21:23 +02:00
x2apic_phys.c x86/apic: Move cpumask and to core code 2017-06-22 18:21:22 +02:00
x2apic_uv_x.c x86/apic: Add irq_data argument to apic->cpu_mask_to_apicid() 2017-06-22 18:21:22 +02:00