Re: [Openipmi-developer] [PATCH] ipmi: pass timeout as HZ independent value

From: Nish Aravamudan
Date: Thu Jan 07 2016 - 10:37:37 EST


On 07.01.2016 [14:52:37 +0100], Nicholas Mc Guire wrote:
> schedule_timeout_* takes a timeout in jiffies but the code currently is
> passing in a constant which makes this timeout HZ dependent, so pass it
> through msecs_to_jiffies() to fix this up.
>
> Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx>
> ---
> patch was compile tested with x86_64_defconfig + CONFIG_IPMI_HANDLER=m
>
> Patch is against 4.4-rc8 (localversion-next is -next-20160107)
>
> drivers/char/ipmi/ipmi_si_intf.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
> index 9fda22e..251d546 100644
> --- a/drivers/char/ipmi/ipmi_si_intf.c
> +++ b/drivers/char/ipmi/ipmi_si_intf.c
> @@ -1099,7 +1099,8 @@ static int ipmi_thread(void *data)
> schedule();
> else if (smi_result == SI_SM_IDLE) {
> if (atomic_read(&smi_info->need_watch)) {
> - schedule_timeout_interruptible(100);
> + schedule_timeout_interruptible(
> + msecs_to_jiffies(100));

I believe you can use msleep_interruptible() for this.

-Nish
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