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| author | Marc Zyngier <marc.zyngier@arm.com> | 2017-04-03 19:37:37 +0100 |
|---|---|---|
| committer | Christoffer Dall <cdall@linaro.org> | 2017-04-09 07:49:19 -0700 |
| commit | 4993fdcf399f59ed56a16ecfedf8a61066198816 (patch) | |
| tree | 7a8779155a6d2e6fdcbcb67c3558fbca34b926b1 /arch/arm64/include/asm/virt.h | |
| parent | 9bae3ae513015eea9534cc2c2b6f7e405abad71a (diff) | |
| download | linux-stable-4993fdcf399f59ed56a16ecfedf8a61066198816.tar.gz linux-stable-4993fdcf399f59ed56a16ecfedf8a61066198816.tar.bz2 linux-stable-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/include/asm/virt.h')
| -rw-r--r-- | arch/arm64/include/asm/virt.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h index 439f6b5d31f6..1466d14c664d 100644 --- a/arch/arm64/include/asm/virt.h +++ b/arch/arm64/include/asm/virt.h @@ -39,6 +39,9 @@ */ #define HVC_SOFT_RESTART 2 +/* Error returned when an invalid stub number is passed into x0 */ +#define HVC_STUB_ERR 0xbadca11 + #define BOOT_CPU_MODE_EL1 (0xe11) #define BOOT_CPU_MODE_EL2 (0xe12) |