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2023-10-04KVM: arm64: Document vCPU feature selection UAPIsOliver Upton
KVM/arm64 has a couple schemes for handling vCPU feature selection now, which is a lot to put on userspace. Add some documentation about how these interact and provide some recommendations for how to use the writable ID register scheme. Reviewed-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20231003230408.3405722-11-oliver.upton@linux.dev Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
2022-05-04Documentation: Fix index.rst after psci.rst renamingMarc Zyngier
Fix the TOC in index.rst after psci.rst has been renamed to hypercalls.rst. Signed-off-by: Marc Zyngier <maz@kernel.org> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Link: https://lore.kernel.org/r/20220504205627.18f46380@canb.auug.org.au
2021-04-07KVM: arm64: Add support for the KVM PTP serviceJianyong Wu
Implement the hypervisor side of the KVM PTP interface. The service offers wall time and cycle count from host to guest. The caller must specify whether they want the host's view of either the virtual or physical counter. Signed-off-by: Jianyong Wu <jianyong.wu@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20201209060932.212364-7-jianyong.wu@arm.com
2020-02-12docs: kvm: arm/psci.txt: convert to ReSTMauro Carvalho Chehab
- Add a title for the document; - Adjust whitespaces for it to be properly formatted after parsed. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12docs: kvm: convert arm/hyp-abi.txt to ReSTMauro Carvalho Chehab
- Add proper markups for titles; - Adjust whitespaces and blank lines to match ReST needs; - Mark literal blocks as such. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-12docs: kvm: add arm/pvtime.rst to index.rstMauro Carvalho Chehab
Add this file to a new kvm/arm index.rst, in order for it to be shown as part of the virt book. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>