linux-kernel - Re: [Resend][PATCH] drivers/thermal: optimize the for circle to run a bit fast

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <bb585318-cdf8-e220-30bb-427239da0a5a@linaro.org>
Date:   Tue, 27 Oct 2020 09:47:35 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Bernard <bernard@...o.com>
Cc:     Zhang Rui <rui.zhang@...el.com>, Amit Kucheria <amitk@...nel.org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        opensource.kernel@...o.com
Subject: Re: [Resend][PATCH] drivers/thermal: optimize the for circle to run a
 bit fast

On 27/10/2020 02:19, Bernard wrote:
> 
> From: Daniel Lezcano <daniel.lezcano@...aro.org>
> Date: 2020-10-27 02:35:18
> To:  Bernard <bernard@...o.com>,Zhang Rui <rui.zhang@...el.com>,Amit Kucheria <amitk@...nel.org>,linux-pm@...r.kernel.org,linux-kernel@...r.kernel.org
> Cc:  opensource.kernel@...o.com
> Subject: Re: [Resend][PATCH] drivers/thermal: optimize the for circle to run a bit fast>On 26/10/2020 02:49, Bernard wrote:
>>> Function thermal_zone_device_register, in the for circle, if the
>>> first if branch set the count bit in tz->trips_disabled, there is
>>> no need to set in the other if branch again.
>>> This change is to make the code run a bit fast and readable.
>>>
>>> Signed-off-by: Bernard Zhao <bernard@...o.com>
>>> ---
>>>  drivers/thermal/thermal_core.c | 8 ++++++--
>>>  1 file changed, 6 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
>>> index c6d74bc1c90b..03577794eea3 100644
>>> --- a/drivers/thermal/thermal_core.c
>>> +++ b/drivers/thermal/thermal_core.c
>>> @@ -1446,10 +1446,14 @@ thermal_zone_device_register(const char *type, int trips, int mask,
>>>  		goto release_device;
>>>  
>>>  	for (count = 0; count < trips; count++) {
>>> -		if (tz->ops->get_trip_type(tz, count, &trip_type))
>>> +		if (tz->ops->get_trip_type(tz, count, &trip_type)) {
>>>  			set_bit(count, &tz->trips_disabled);
>>> -		if (tz->ops->get_trip_temp(tz, count, &trip_temp))
>>> +			continue;
>>> +		}
>>> +		if (tz->ops->get_trip_temp(tz, count, &trip_temp)) {
>>>  			set_bit(count, &tz->trips_disabled);
>>> +			continue;
>>> +		}
>>>  		/* Check for bogus trip points */
>>>  		if (trip_temp == 0)
>>>  			set_bit(count, &tz->trips_disabled);
>>
>>
>> What about ?
>> 	if (tz->ops->get_trip_type(tz, count, &trip_type) ||
>> 		tz->ops->get_trip_temp(tz, count, &trip_temp) ||
>> 		!trip_temp)
>> 		set_bit(count, &tz->trips_disabled);
>>
> 
> Hi
> 
>   Sure, I will resubmit this patch, thanks!

Please, take the opportunity to fix the author name to be the same as
the signed-off-by.

Thanks

  -- Daniel



-- 
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog