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From b89b5b577ae05a9f453a55b8e7cbd81db27e95df Mon Sep 17 00:00:00 2001
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Message-Id: <b89b5b577ae05a9f453a55b8e7cbd81db27e95df@dist-git>
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From: Boris Fiuczynski <fiuczy@linux.ibm.com>
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Date: Wed, 24 Jun 2020 13:16:22 +0200
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Subject: [PATCH] docs: Update AMD launch secure description
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Update document with changes in qemu capability caching and the added
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secure guest support checking for AMD SEV in virt-host-validate.
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Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
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Reviewed-by: Erik Skultety <eskultet@redhat.com>
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(cherry picked from commit 2c3ffa37284b9fa3d1e6c369fa2bb71c6f6dd92a)
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https://bugzilla.redhat.com/show_bug.cgi?id=1848997
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https://bugzilla.redhat.com/show_bug.cgi?id=1850351
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Message-Id: <1229877019008ac6f0135296af502e596c3e30e5.1592996194.git.jdenemar@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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docs/kbase/launch_security_sev.rst | 9 ++++++---
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1 file changed, 6 insertions(+), 3 deletions(-)
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diff --git a/docs/kbase/launch_security_sev.rst b/docs/kbase/launch_security_sev.rst
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index 65f258587d..19b978481a 100644
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--- a/docs/kbase/launch_security_sev.rst
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+++ b/docs/kbase/launch_security_sev.rst
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@@ -30,8 +30,11 @@ Enabling SEV on the host
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========================
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Before VMs can make use of the SEV feature you need to make sure your
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-AMD CPU does support SEV. You can check whether SEV is among the CPU
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-flags with:
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+AMD CPU does support SEV. You can run ``libvirt-host-validate``
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+(libvirt >= 6.5.0) to check if your host supports secure guests or you
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+can follow the manual checks below.
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+
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+You can manually check whether SEV is among the CPU flags with:
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::
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@@ -109,7 +112,7 @@ following:
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</features>
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</domainCapabilities>
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-Note that if libvirt was already installed and libvirtd running before
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+Note that if libvirt (<6.5.0) was already installed and libvirtd running before
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enabling SEV in the kernel followed by the host reboot you need to force
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libvirtd to re-probe both the host and QEMU capabilities. First stop
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libvirtd:
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--
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2.27.0
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