linux-kernel - Re: [PATCH v1 2/2] thermal: gov_step_wise: Simplify checks related to passive trips

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]

Date: Thu, 4 Apr 2024 13:57:07 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Lukasz Luba <lukasz.luba@....com>
Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>, LKML <linux-kernel@...r.kernel.org>, 
	Daniel Lezcano <daniel.lezcano@...aro.org>, Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v1 2/2] thermal: gov_step_wise: Simplify checks related to
 passive trips

On Thu, Apr 4, 2024 at 1:26 PM Lukasz Luba <lukasz.luba@....com> wrote:
>
>
>
> On 4/3/24 19:12, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> >
> > Make it more clear from the code flow that the passive polling status
> > updates only take place for passive trip points.
> >
> > No intentional functional impact.
> >
> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > ---
> >   drivers/thermal/gov_step_wise.c |   14 ++++++--------
> >   1 file changed, 6 insertions(+), 8 deletions(-)
> >
> > Index: linux-pm/drivers/thermal/gov_step_wise.c
> > ===================================================================
> > --- linux-pm.orig/drivers/thermal/gov_step_wise.c
> > +++ linux-pm/drivers/thermal/gov_step_wise.c
> > @@ -92,15 +92,13 @@ static void thermal_zone_trip_update(str
> >               if (instance->initialized && old_target == instance->target)
> >                       continue;
> >
> > -             if (old_target == THERMAL_NO_TARGET &&
> > -                 instance->target != THERMAL_NO_TARGET) {
> > -                     /* Activate a passive thermal instance */
> > -                     if (trip->type == THERMAL_TRIP_PASSIVE)
> > +             if (trip->type == THERMAL_TRIP_PASSIVE) {
> > +                     /* If needed, update the status of passive polling. */
> > +                     if (old_target == THERMAL_NO_TARGET &&
> > +                         instance->target != THERMAL_NO_TARGET)
> >                               tz->passive++;
> > -             } else if (old_target != THERMAL_NO_TARGET &&
> > -                        instance->target == THERMAL_NO_TARGET) {
> > -                     /* Deactivate a passive thermal instance */
> > -                     if (trip->type == THERMAL_TRIP_PASSIVE)
> > +                     else if (old_target != THERMAL_NO_TARGET &&
> > +                              instance->target == THERMAL_NO_TARGET)
> >                               tz->passive--;
> >               }
> >
> >
> >
> >
>
> The patch looks good, although I got some warning while applying with
> my b4 tool:
> BADSIG: DKIM/rjwysocki.net

It's likely because it was sent from an address in the rjwysocki.net
domain, but it is perfectly fine to send "somebody else's" patches if
a replacement From: header is given.

Looks like a b4 issue to me.

> Anyway, it looks like false warning IMO.
>
> Reviewed-by: Lukasz Luba <lukasz.luba@....com>

Thank you!