KVM: arm64: Introduce flag shadowing TIF_FOREIGN_FPSTATE

Browse source

We currently have to maintain a mapping the thread_info structure
at EL2 in order to be able to check the TIF_FOREIGN_FPSTATE flag.

In order to eventually get rid of this, start with a vcpu flag that
shadows the thread flag on each entry into the hypervisor.

Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>

...

This commit is contained in:

Marc Zyngier 2021-10-21 14:10:35 +01:00

parent e66425fc9b

commit af9a0e21d8

4 changed files with 12 additions and 1 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

2

arch/arm64/include/asm/kvm_host.h

View file

1

arch/arm64/kvm/arm.c

View file

8

arch/arm64/kvm/fpsimd.c

View file

2

arch/arm64/kvm/hyp/include/hyp/switch.h

View file