aboutsummaryrefslogtreecommitdiff
path: root/docs/system
diff options
context:
space:
mode:
authorMarc Zyngier <maz@kernel.org>2022-01-07 15:01:54 +0000
committerPeter Maydell <peter.maydell@linaro.org>2022-01-20 11:47:52 +0000
commit95ea96e8b1610f2d1bfa2abd0d12c40d647e563d (patch)
tree23bb54cdc5dd3a38cdc7b1c8889807bce2a1d765 /docs/system
parentb10d00d8811fa4eed4862963273d7353ce310c82 (diff)
downloadqemu-95ea96e8b1610f2d1bfa2abd0d12c40d647e563d.zip
qemu-95ea96e8b1610f2d1bfa2abd0d12c40d647e563d.tar.gz
qemu-95ea96e8b1610f2d1bfa2abd0d12c40d647e563d.tar.bz2
hw/arm/virt: KVM: Enable PAuth when supported by the host
Add basic support for Pointer Authentication when running a KVM guest and that the host supports it, loosely based on the SVE support. Although the feature is enabled by default when the host advertises it, it is possible to disable it by setting the 'pauth=off' CPU property. The 'pauth' comment is removed from cpu-features.rst, as it is now common to both TCG and KVM. Tested on an Apple M1 running 5.16-rc6. Cc: Eric Auger <eric.auger@redhat.com> Cc: Richard Henderson <richard.henderson@linaro.org> Cc: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220107150154.2490308-1-maz@kernel.org [PMM: fixed indentation] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'docs/system')
-rw-r--r--docs/system/arm/cpu-features.rst4
1 files changed, 0 insertions, 4 deletions
diff --git a/docs/system/arm/cpu-features.rst b/docs/system/arm/cpu-features.rst
index 584eb17..3e626c4 100644
--- a/docs/system/arm/cpu-features.rst
+++ b/docs/system/arm/cpu-features.rst
@@ -217,10 +217,6 @@ TCG VCPU Features
TCG VCPU features are CPU features that are specific to TCG.
Below is the list of TCG VCPU features and their descriptions.
- pauth Enable or disable ``FEAT_Pauth``, pointer
- authentication. By default, the feature is
- enabled with ``-cpu max``.
-
pauth-impdef When ``FEAT_Pauth`` is enabled, either the
*impdef* (Implementation Defined) algorithm
is enabled or the *architected* QARMA algorithm