diff options
| author | Victor Kamensky <victor.kamensky@linaro.org> | 2014-06-12 09:30:12 -0700 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2014-10-02 22:03:22 +0200 |
| commit | c9f3cca3a136a76a5658601f55251f0305729413 (patch) | |
| tree | 57bf520aa21e93fe33a564da56cc3a84ed374482 /arch | |
| parent | fad1f0113487190441d89ee8483a6b25d35eb153 (diff) | |
ARM64: KVM: set and get of sys registers in BE case
Since size of all sys registers is always 8 bytes. Current
code is actually endian agnostic. Just clean it up a bit.
Removed comment about little endian. Change type of pointer
from 'void *' to 'u64 *' to enforce stronger type checking.
Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
(cherry picked from commit 26c99af1018c35020cfad1d20f02acb224807655)
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 34f25a590bd7..f0ceceffa95a 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -776,17 +776,15 @@ static struct sys_reg_desc invariant_sys_regs[] = { NULL, get_ctr_el0 }, }; -static int reg_from_user(void *val, const void __user *uaddr, u64 id) +static int reg_from_user(u64 *val, const void __user *uaddr, u64 id) { - /* This Just Works because we are little endian. */ if (copy_from_user(val, uaddr, KVM_REG_SIZE(id)) != 0) return -EFAULT; return 0; } -static int reg_to_user(void __user *uaddr, const void *val, u64 id) +static int reg_to_user(void __user *uaddr, const u64 *val, u64 id) { - /* This Just Works because we are little endian. */ if (copy_to_user(uaddr, val, KVM_REG_SIZE(id)) != 0) return -EFAULT; return 0; |