Re: [PATCH] Cleanup __pvclock_read_cycles to remove useless variables

From: Minfei Huang
Date: Sat Apr 30 2016 - 06:13:20 EST


ping.

Any comment is appreciate.

Thanks
Minfei

On 04/25/16 at 02:53P, Minfei Huang wrote:
> The value of cycles and flags can be assigned directly without
> intermediate variables.
>
> Remove the useless variables.
>
> Signed-off-by: Minfei Huang <mnghuan@xxxxxxxxx>
> ---
> arch/x86/include/asm/pvclock.h | 15 ++++-----------
> 1 file changed, 4 insertions(+), 11 deletions(-)
>
> diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h
> index fdcc040..fb95dac 100644
> --- a/arch/x86/include/asm/pvclock.h
> +++ b/arch/x86/include/asm/pvclock.h
> @@ -80,19 +80,12 @@ static __always_inline
> unsigned __pvclock_read_cycles(const struct pvclock_vcpu_time_info *src,
> cycle_t *cycles, u8 *flags)
> {
> - unsigned version;
> - cycle_t ret, offset;
> - u8 ret_flags;
> -
> - version = src->version;
> + cycle_t offset;
>
> offset = pvclock_get_nsec_offset(src);
> - ret = src->system_time + offset;
> - ret_flags = src->flags;
> -
> - *cycles = ret;
> - *flags = ret_flags;
> - return version;
> + *cycles = src->system_time + offset;
> + *flags = src->flags;
> + return src->version;
> }
>
> struct pvclock_vsyscall_time_info {
> --
> 2.6.3
>