linux-kernel - Re: [PATCH v6 3/8] regulator: IRQ based event/error notification helpers

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

Date:   Thu, 8 Apr 2021 12:58:05 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-power <linux-power@...rohmeurope.com>,
        linux-arm-msm@...r.kernel.org,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH v6 3/8] regulator: IRQ based event/error notification helpers

On Thu, Apr 8, 2021 at 11:21 AM Matti Vaittinen
<matti.vaittinen@...rohmeurope.com> wrote:
>
> Hello Andy,
>
> On Wed, 2021-04-07 at 16:21 +0300, Andy Shevchenko wrote:
> > On Wed, Apr 7, 2021 at 1:04 PM Matti Vaittinen
> > <matti.vaittinen@...rohmeurope.com> wrote:
> > > Provide helper function for IC's implementing regulator
> > > notifications
> > > when an IRQ fires. The helper also works for IRQs which can not be
> > > acked.
> > > Helper can be set to disable the IRQ at handler and then re-
> > > enabling it
> > > on delayed work later. The helper also adds
> > > regulator_get_error_flags()
> > > errors in cache for the duration of IRQ disabling.
> >
> > Thanks for an update, my comments below. After addressing them, feel
> > free to add
> > Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
>
> I (eventually) disagreed with couple of points here and haven't changed
> those. Please see list below.
>
> I still do think you did a really good job reviewing this - and you
> should get the recognition from that work. Thus I'd nevertheless would
> like to add your Reviewed-by to the next version. Please let me know if
> you think it's ok. (I have the v7 ready but I'll wait until the next
> Monday before sending it to see if this brings more discussion).

Looks OK to me.
Just rename die_loudly() to rdev_die_loudly() and in any way of
conditionals with that, please mark it with __noreturn attribute, so
if (bla bla bla)
  rdev_die_loudly();

will be an understandable trap.

-- 
With Best Regards,
Andy Shevchenko