AuxXxilium/linux_dsm_epyc7002
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2a85386a73
linux_dsm_epyc7002/arch/x86/kernel/apic
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Thomas Gleixner 2a85386a73 x86/apic/msi: Force reactivation of interrupts at startup time 
MSI(X) interrupts need a valid vector configuration early at allocation
time, i.e. before the PCI core enables MSI(X).

With managed interrupts and the new global reservation scheme, the early
configuration will not assign a real device vector, but a special shutdown
vector. When the irq is started up, then the interrupt must be
reconfigured. Tell the MSI irqdomain core about it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Juergen Gross <jgross@suse.com>
Tested-by: Yu Chen <yu.c.chen@intel.com>
Acked-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Alok Kataria <akataria@vmware.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Rui Zhang <rui.zhang@intel.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Len Brown <lenb@kernel.org>
Link: https://lkml.kernel.org/r/20170913213155.774066582@linutronix.de
2017-09-25 20:52:00 +02:00
..
apic_common.c x86/apic: Remove unused callbacks 2017-09-25 20:51:58 +02:00
apic_flat_64.c x86/apic: Remove unused callbacks 2017-09-25 20:51:58 +02:00
apic_noop.c x86/apic: Remove unused callbacks 2017-09-25 20:51:58 +02:00
apic_numachip.c x86/apic: Remove unused callbacks 2017-09-25 20:51:58 +02:00
apic.c x86/apic: Move common APIC callbacks 2017-09-25 20:51:50 +02:00
bigsmp_32.c x86/apic: Remove unused callbacks 2017-09-25 20:51:58 +02:00
htirq.c genirq/irqdomain: Update irq_domain_ops.activate() signature 2017-09-25 20:38:24 +02:00
hw_nmi.c kernel/watchdog: split up config options 2017-07-12 16:26:02 -07:00
io_apic.c x86/ioapic: Mark legacy vectors at reallocation time 2017-09-25 20:51:54 +02:00
ipi.c x86/kernel: Audit and remove any unnecessary uses of module.h 2016-07-14 15:06:41 +02:00
Makefile x86/apic: Sanitize 32/64bit APIC callbacks 2017-09-25 20:51:50 +02:00
msi.c x86/apic/msi: Force reactivation of interrupts at startup time 2017-09-25 20:52:00 +02:00
probe_32.c x86/apic: Remove unused callbacks 2017-09-25 20:51:58 +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/vector: Untangle internal state from irq_cfg 2017-09-25 20:51:59 +02:00
x2apic_cluster.c x86/apic: Remove unused callbacks 2017-09-25 20:51:58 +02:00
x2apic_phys.c x86/apic: Remove unused callbacks 2017-09-25 20:51:58 +02:00
x2apic_uv_x.c x86/apic: Remove unused callbacks 2017-09-25 20:51:58 +02:00
x2apic.h x86/apic: Sanitize return value of apic.set_apic_id() 2017-09-25 20:51:48 +02:00