diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2018-02-06 17:56:15 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-16 20:22:55 +0100 |
| commit | 6db26ad1dc4685843ab3c4d655b51777e04d131e (patch) | |
| tree | 536085f8e368321bc7a7d2739ee5a96096dc622e /drivers | |
| parent | e47273d086236d06c3c2851fa8599971086b2a73 (diff) | |
arm64: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling
Commit f72af90c3783 upstream.
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>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions