Re: [PATCH v9 6/6] KVM: arm64: Document MTE capability and ioctl

2021-03-11 Thread Steven Price
On 09/03/2021 11:01, Peter Maydell wrote: On Mon, 1 Mar 2021 at 14:23, Steven Price wrote: A new capability (KVM_CAP_ARM_MTE) identifies that the kernel supports granting a guest access to the tags, and provides a mechanism for the VMM to enable it. A new ioctl (KVM_ARM_MTE_COPY_TAGS) provide

Re: [PATCH v9 6/6] KVM: arm64: Document MTE capability and ioctl

2021-03-09 Thread Peter Maydell
On Mon, 1 Mar 2021 at 14:23, Steven Price wrote: > > A new capability (KVM_CAP_ARM_MTE) identifies that the kernel supports > granting a guest access to the tags, and provides a mechanism for the > VMM to enable it. > > A new ioctl (KVM_ARM_MTE_COPY_TAGS) provides a simple way for a VMM to > acces

[PATCH v9 6/6] KVM: arm64: Document MTE capability and ioctl

2021-03-01 Thread Steven Price
A new capability (KVM_CAP_ARM_MTE) identifies that the kernel supports granting a guest access to the tags, and provides a mechanism for the VMM to enable it. A new ioctl (KVM_ARM_MTE_COPY_TAGS) provides a simple way for a VMM to access the tags of a guest without having to maintain a PROT_MTE map