linux-kernel - Re: [PATCH] vdpa: solidrun: constify pointers to hwmon_channel

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Message-ID: <20230410151317-mutt-send-email-mst@kernel.org>
Date:   Mon, 10 Apr 2023 15:14:24 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Alvaro Karsz <alvaro.karsz@...id-run.com>,
        Jason Wang <jasowang@...hat.com>,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        linux-hwmon@...r.kernel.org
Subject: Re: [PATCH] vdpa: solidrun: constify pointers to hwmon_channel_info

On Mon, Apr 10, 2023 at 06:48:12PM +0200, Krzysztof Kozlowski wrote:
> On 10/04/2023 16:03, Guenter Roeck wrote:
> > On 4/10/23 02:56, Michael S. Tsirkin wrote:
> >> On Fri, Apr 07, 2023 at 04:08:30PM -0700, Guenter Roeck wrote:
> >>> On 4/7/23 08:01, Krzysztof Kozlowski wrote:
> >>>> Statically allocated array of pointed to hwmon_channel_info can be made
> >>>> const for safety.
> >>>>
> >>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> >>>>
> >>>> ---
> >>>>
> >>>> This depends on hwmon core patch:
> >>>> https://lore.kernel.org/all/20230406203103.3011503-2-krzysztof.kozlowski@linaro.org/
> >>>>
> >>>> Therefore I propose this should also go via hwmon tree.
> >>>
> >>> I am not going to apply patches for 10+ subsystems through the hwmon tree.
> >>> This can only result in chaos. The dependent patch is available at
> >>>
> >>> git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-const
> >>
> >> Doesn't it cause build errors or warnings there?
> >>
> > 
> > Are you saying that "hwmon: constify pointers to hwmon_channel_info" applied on its own
> > on top of v6.3-rc5 (as done in above branch) causes build errors or warnings ?
> > I have not seen any such reports, and I don't immediately see why that would be
> > the case. Please elaborate.
> 
> My tree and patches are extensively tested by kbuild and there was no
> warning reported (when the above patch is applied with above dependency).
> 
> Best regards,
> Krzysztof

I don't know, I assumed the vdpa patch fixes build. If not,
I think we can just wait with the vdpa patch until after
the hwmon one is upstream.

Thanks!


-- 
MST