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Merge branch 'aarch64/for-next/ras-apei' into aarch64/for-next/core

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Merge in arm64 ACPI RAS support (APEI/GHES) from Tyler Baicar.
This commit is contained in:
Will Deacon
2017-06-26 10:54:27 +01:00
parent 9ad95c46c1 77b246b32b
commit 3edb1dd13c
314 changed files with 3164 additions and 1764 deletions
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drivers/perf/arm_pmu_acpi.c
+11
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@@ -29,6 +29,17 @@ static int arm_pmu_acpi_register_irq(int cpu)
return -EINVAL;
gsi = gicc->performance_interrupt;
/*
* Per the ACPI spec, the MADT cannot describe a PMU that doesn't
* have an interrupt. QEMU advertises this by using a GSI of zero,
* which is not known to be valid on any hardware despite being
* valid per the spec. Take the pragmatic approach and reject a
* GSI of zero for now.
*/
if (!gsi)
return 0;
if (gicc->flags & ACPI_MADT_PERFORMANCE_IRQ_MODE)
trigger = ACPI_EDGE_SENSITIVE;
else