diff options
| author |   Marc Zyngier <marc.zyngier@arm.com> | 2018-02-06 17:56:15 +0000 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2018-02-06 22:54:07 +0000 |
| commit | f72af90c3783d924337624659b43e2d36f1b36b4 (patch) | |
| tree | d0d7039ad9b14dd45e38275b2d6486b2d5cdf6b0 /include/linux | |
| parent | arm64: KVM: Report SMCCC_ARCH_WORKAROUND_1 BP hardening support (diff) | |
| download | wireguard-linux-f72af90c3783d924337624659b43e2d36f1b36b4.tar.xz wireguard-linux-f72af90c3783d924337624659b43e2d36f1b36b4.zip | |
arm64: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling
We want SMCCC_ARCH_WORKAROUND_1 to be fast. As fast as possible.
So let's intercept it as early as we can by testing for the
function call number as soon as we've identified a HVC call
coming from the guest.
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions