[Devel] [PATCH rh7] vecalls: fix VZCTL_GET_CPU_STAT uptime_jif scale

[Kirill Tkhai]

On 28.09.2015 12:46, Vladimir Davydov wrote:
> ve->start_time is in jiffies, therefore we must use
> jiffies_64_to_clock_t helper in order to convert it to clock_t.
> 
> https://jira.sw.ru/browse/PSBM-28811
> 
> Signed-off-by: Vladimir Davydov <vdavydov at parallels.com>
> ---
>  kernel/ve/vecalls.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/ve/vecalls.c b/kernel/ve/vecalls.c
> index 9e866153cc2d..537fc4aa964b 100644
> --- a/kernel/ve/vecalls.c
> +++ b/kernel/ve/vecalls.c
> @@ -128,7 +128,7 @@ static int ve_get_cpu_stat(envid_t veid, struct vz_cpu_stat __user *buf)
>  
>  	vstat->uptime_clk = ve_get_uptime(ve);
>  
> -	vstat->uptime_jif = (unsigned long)cputime64_to_clock_t(
> +	vstat->uptime_jif = (unsigned long)jiffies_64_to_clock_t(
>  				get_jiffies_64() - ve->start_jiffies);
>  	for (i = 0; i < 3; i++) {
>  		tmp = avenrun[i] + (FIXED_1/200);
> 

Reviewed-by: Kirill Tkhai <ktkhai at odin.com>

N.B. 2.6.32 does not need that, because cputime is in jiffies there.