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| author | Marc Zyngier <marc.zyngier@arm.com> | 2017-04-03 20:37:37 +0200 |
|---|---|---|
| committer | Christoffer Dall <cdall@linaro.org> | 2017-04-09 16:49:19 +0200 |
| commit | 4993fdcf399f59ed56a16ecfedf8a61066198816 (patch) | |
| tree | 7a8779155a6d2e6fdcbcb67c3558fbca34b926b1 /arch/arm64/kernel/hyp-stub.S | |
| parent | arm64: hyp-stub: Don't save lr in the EL1 code (diff) | |
| download | linux-4993fdcf399f59ed56a16ecfedf8a61066198816.tar.xz linux-4993fdcf399f59ed56a16ecfedf8a61066198816.zip | |
arm64: hyp-stub: Define a return value for failed stub calls
Define a standard return value to be returned when a hyp stub
call fails, and make KVM use it for ARM_EXCEPTION_HYP_GONE
(instead of using a KVM-specific value).
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
Diffstat (limited to 'arch/arm64/kernel/hyp-stub.S')
| -rw-r--r-- | arch/arm64/kernel/hyp-stub.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index 193dfb25ce2f..f53e8b84cd3a 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -74,7 +74,7 @@ el1_sync: br x4 // no return /* Someone called kvm_call_hyp() against the hyp-stub... */ -3: mov x0, #ARM_EXCEPTION_HYP_GONE +3: ldr x0, =HVC_STUB_ERR 9: eret ENDPROC(el1_sync) |