KVM: SEV-ES: Eliminate #DB intercept when DebugSwap enabled

Browse source

Disable #DB for SEV-ES guests when DebugSwap is enabled. There is no point
in such intercept as KVM does not allow guest debug for SEV-ES guests.

Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
Link: https://lore.kernel.org/r/20230615063757.3039121-8-aik@amd.com
[sean: add comment as to why KVM disables #DB intercept iff DebugSwap=1]
Signed-off-by: Sean Christopherson <seanjc@google.com>

...

This commit is contained in:

Alexey Kardashevskiy 2023-06-15 16:37:55 +10:00 • committed by Sean Christopherson

parent d1f85fbe83

commit 90cbf6d914

1 changed files with 11 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

11

arch/x86/kvm/svm/sev.c

View file