diff options
| author | Victor Kamensky <victor.kamensky@linaro.org> | 2014-06-12 09:30:12 -0700 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2014-07-11 04:57:42 -0700 |
| commit | 26c99af1018c35020cfad1d20f02acb224807655 (patch) | |
| tree | 59b07a02a69d98fae2d44c51fc5895afef867d6b /arch/arm64/kvm/sys_regs.c | |
| parent | 9662fb4854e1319b4affda47f279c3f210316def (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>
Diffstat (limited to 'arch/arm64/kvm/sys_regs.c')
| -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; |