Re: [PATCH v2 2/2] KVM: arm64: Match PMU error code descriptions with error conditions
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From: Andrew Jones <hidden>
Date: 2020-09-24 13:01:31
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kvmarm
On Thu, Sep 24, 2020 at 01:37:31PM +0100, Alexandru Elisei wrote:
quoted hunk ↗ jump to hunk
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 <redacted> --- Documentation/virt/kvm/devices/vcpu.rst | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)diff --git a/Documentation/virt/kvm/devices/vcpu.rst b/Documentation/virt/kvm/devices/vcpu.rst index 96d6cf77cb1e..8c24411ece2e 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 ======= ======================================================-- 2.28.0
Reviewed-by: Andrew Jones <redacted> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel