From 51dd2eb98c72c1ff4cdb1526fff9a259a563c257 Mon Sep 17 00:00:00 2001 From: Alexandru Elisei Date: Thu, 24 Sep 2020 13:37:31 +0100 Subject: KVM: arm64: Match PMU error code descriptions with error conditions 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 Signed-off-by: Marc Zyngier Reviewed-by: Andrew Jones Link: https://lore.kernel.org/r/20200924123731.268177-3-alexandru.elisei@arm.com --- Documentation/virt/kvm/devices/vcpu.rst | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'Documentation/virt') diff --git a/Documentation/virt/kvm/devices/vcpu.rst b/Documentation/virt/kvm/devices/vcpu.rst index 1da576a4b767..da7c2ef7dafc 100644 --- a/Documentation/virt/kvm/devices/vcpu.rst +++ b/Documentation/virt/kvm/devices/vcpu.rst @@ -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 ======= ====================================================== -- cgit v1.2.3