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KVM: arm64: Match PMU error code descriptions with error conditions

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Update the description of the PMU KVM_{GET, SET}_DEVICE_ATTR error codes
to be a better match for the code that returns them.

Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Link: https://lore.kernel.org/r/20200924123731.268177-3-alexandru.elisei@arm.com
This commit is contained in:
Alexandru Elisei 2020-09-24 13:37:31 +01:00 committed by Marc Zyngier
parent af130d0adc
commit 51dd2eb98c
1 changed files with 5 additions and 4 deletions
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9
Documentation/virt/kvm/devices/vcpu.rst
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@ -26,8 +26,9 @@ Returns:
======= ========================================================
-EBUSY The PMU overflow interrupt is already set
-EFAULT Error reading interrupt number
-ENXIO The overflow interrupt not set when attempting to get it
-ENODEV PMUv3 not supported
-ENXIO PMUv3 not supported or the overflow interrupt not set
when attempting to get it
-ENODEV KVM_ARM_VCPU_PMU_V3 feature missing from VCPU
-EINVAL Invalid PMU overflow interrupt number supplied or
trying to set the IRQ number without using an in-kernel
irqchip.
@ -48,8 +49,8 @@ Returns:
======= ======================================================
-EEXIST Interrupt number already used
-ENODEV PMUv3 not supported or GIC not initialized
-ENXIO PMUv3 not properly configured or in-kernel irqchip not
configured as required prior to calling this attribute
-ENXIO PMUv3 not supported, missing VCPU feature or interrupt
number not set
-EBUSY PMUv3 already initialized
======= ======================================================