[RFC PATCH 05/10] genirq: export irq_get_percpu_devid_partition to modules

From	Will Deacon <will.deacon@arm.com>
Newsgroups	linux.kernel
Subject	[RFC PATCH 05/10] genirq: export irq_get_percpu_devid_partition to modules
Date	2017-01-03 19:20 +0100
Message-ID	<sVBQJ-1Kc-19@gated-at.bofh.it> (permalink)
References	<sVBQJ-1Kc-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

Any modular driver using cluster-affine PPIs needs to be able to call
irq_get_percpu_devid_partition so that it can enable the IRQ on the
correct subset of CPUs.

This patch exports the symbol so that it can be called from within a
module.

Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 kernel/irq/irqdesc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 00bb0aeea1d0..1e6ae73eae59 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -856,6 +856,7 @@ int irq_get_percpu_devid_partition(unsigned int irq, struct cpumask *affinity)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(irq_get_percpu_devid_partition);
 
 void kstat_incr_irq_this_cpu(unsigned int irq)
 {
-- 
2.1.4

Thread

[RFC PATCH 00/10] Add support for the ARMv8.2 Statistical Profiling Extension Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100
  [RFC PATCH 02/10] arm64: cpufeature: Don't enforce system-wide SPE capability Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100
    Re: [RFC PATCH 02/10] arm64: cpufeature: Don't enforce system-wide  SPE capability Mark Rutland <mark.rutland@arm.com> - 2017-01-04 12:10 +0100
  [RFC PATCH 05/10] genirq: export irq_get_percpu_devid_partition to modules Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100
  [RFC PATCH 01/10] arm64: cpufeature: allow for version discrepancy in PMU implementations Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100
    Re: [RFC PATCH 01/10] arm64: cpufeature: allow for version  discrepancy in PMU implementations Mark Rutland <mark.rutland@arm.com> - 2017-01-04 11:30 +0100
  [RFC PATCH 04/10] arm64: head.S: Enable EL1 (host) access to SPE when entered at EL2 Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100
  [RFC PATCH 09/10] drivers/perf: Add support for ARMv8.2 Statistical Profiling Extension Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100
    Re: [RFC PATCH 09/10] drivers/perf: Add support for ARMv8.2  Statistical Profiling Extension Peter Zijlstra <peterz@infradead.org> - 2017-01-04 11:40 +0100
      Re: [RFC PATCH 09/10] drivers/perf: Add support for ARMv8.2  Statistical Profiling Extension Will Deacon <will.deacon@arm.com> - 2017-01-04 20:20 +0100
        Re: [RFC PATCH 09/10] drivers/perf: Add support for ARMv8.2  Statistical Profiling Extension Peter Zijlstra <peterz@infradead.org> - 2017-01-05 12:40 +0100
    Re: [RFC PATCH 09/10] drivers/perf: Add support for ARMv8.2  Statistical Profiling Extension Kim Phillips <kim.phillips@arm.com> - 2017-01-10 23:10 +0100
      Re: [RFC PATCH 09/10] drivers/perf: Add support for ARMv8.2  Statistical Profiling Extension Will Deacon <will.deacon@arm.com> - 2017-01-11 13:40 +0100
        Re: [RFC PATCH 09/10] drivers/perf: Add support for ARMv8.2  Statistical Profiling Extension Kim Phillips <kim.phillips@arm.com> - 2017-01-11 22:10 +0100
          Re: [RFC PATCH 09/10] drivers/perf: Add support for ARMv8.2  Statistical Profiling Extension Will Deacon <will.deacon@arm.com> - 2017-01-13 14:40 +0100
      Re: [RFC PATCH 09/10] drivers/perf: Add support for ARMv8.2  Statistical Profiling Extension Marc Zyngier <marc.zyngier@arm.com> - 2017-01-12 12:40 +0100
  [RFC PATCH 07/10] perf: Directly pass PERF_AUX_* flags to perf_aux_output_end Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100
  [RFC PATCH 03/10] arm64: KVM: Save/restore the host SPE state when entering/leaving a VM Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100
  [RFC PATCH 10/10] dt-bindings: Document devicetree binding for ARM SPE Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100
  [RFC PATCH 08/10] perf/core: Add PERF_AUX_FLAG_COLLISION to report colliding samples Will Deacon <will.deacon@arm.com> - 2017-01-03 19:20 +0100

csiph-web