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From: Yury Norov <yury.norov@gmail.com>
To: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Lucas De Marchi <lucas.demarchi@intel.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Jani Nikula <jani.nikula@linux.intel.com>,
	Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
	Rodrigo Vivi <rodrigo.vivi@intel.com>,
	Tvrtko Ursulin <tursulin@ursulin.net>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org,
	Andi Shyti <andi.shyti@linux.intel.com>,
	David Laight <David.Laight@aculab.com>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Subject: Re: [PATCH v6 1/7] bits: split the definition of the asm and non-asm GENMASK()
Date: Tue, 18 Mar 2025 12:06:23 -0400	[thread overview]
Message-ID: <Z9mZ_xIMyqUg2Vs9@thinkpad> (raw)
In-Reply-To: <85639227-68ed-4a8a-8084-1ae0ffcaa638@wanadoo.fr>

On Sat, Mar 08, 2025 at 06:10:25PM +0900, Vincent Mailhol wrote:
> On 08/03/2025 at 02:42, Andy Shevchenko wrote:
> > On Sat, Mar 08, 2025 at 01:48:48AM +0900, Vincent Mailhol via B4 Relay wrote:
> >> From: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
> >>
> >> In an upcoming change, GENMASK() and its friends will indirectly
> >> depend on sizeof() which is not available in asm.
> >>
> >> Instead of adding further complexity to __GENMASK() to make it work
> >> for both asm and non asm, just split the definition of the two
> >> variants.
> > 
> > ...
> > 
> >> -/*
> >> - * BUILD_BUG_ON_ZERO is not available in h files included from asm files,
> >> - * disable the input check if that is the case.
> >> - */
> > 
> >> +/*
> >> + * BUILD_BUG_ON_ZERO() is not available in h files included from asm files, so
> >> + * no input checks in assembly.
> >> + */
> > 
> > In case of a new version I would reformat this as
> > 
> > /*
> >  * BUILD_BUG_ON_ZERO() is not available in h files included from asm files,
> >  * so no input checks in assembly.
> >  */
> > 
> > It makes easier to review the changes and see that the first line is kept
> > the same.
> 
> Not fully convinced, but why not. I staged this change locally, it will
> be in v7.

I don't understand why this change is needed at all. The comment
states the same thing before and after, but the history gets wiped.
Maybe just don't touch it?

  reply	other threads:[~2025-03-18 16:06 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-07 16:48 [PATCH v6 0/7] bits: Fixed-type GENMASK_U*() and BIT_U*() Vincent Mailhol via B4 Relay
2025-03-07 16:48 ` [PATCH v6 1/7] bits: split the definition of the asm and non-asm GENMASK() Vincent Mailhol via B4 Relay
2025-03-07 17:42   ` Andy Shevchenko
2025-03-08  9:10     ` Vincent Mailhol
2025-03-18 16:06       ` Yury Norov [this message]
2025-03-18 16:14         ` Vincent Mailhol
2025-03-07 16:48 ` [PATCH v6 2/7] bits: introduce fixed-type genmasks Vincent Mailhol via B4 Relay
2025-03-07 17:46   ` Andy Shevchenko
2025-03-18 16:45   ` Yury Norov
2025-03-19  5:39     ` Vincent Mailhol
2025-03-19 13:24       ` Yury Norov
2025-03-07 16:48 ` [PATCH v6 3/7] bits: introduce fixed-type BIT_U*() Vincent Mailhol via B4 Relay
2025-03-07 17:48   ` Andy Shevchenko
2025-03-07 17:49     ` Andy Shevchenko
2025-03-08  9:28       ` Vincent Mailhol
2025-03-07 16:48 ` [PATCH v6 4/7] drm/i915: Convert REG_GENMASK*() to fixed-width GENMASK_U*() Vincent Mailhol via B4 Relay
2025-03-07 17:54   ` Andy Shevchenko
2025-03-08 10:36     ` Vincent Mailhol
2025-03-18 17:16   ` Yury Norov
2025-03-18 22:32     ` Jani Nikula
2025-03-19  4:37       ` Vincent Mailhol
2025-03-19 13:25         ` Yury Norov
2025-03-07 16:48 ` [PATCH v6 5/7] test_bits: add tests for __GENMASK() and __GENMASK_ULL() Vincent Mailhol via B4 Relay
2025-03-07 16:48 ` [PATCH v6 6/7] test_bits: add tests for GENMASK_U*() Vincent Mailhol via B4 Relay
2025-03-07 16:48 ` [PATCH v6 7/7] test_bits: add tests for BIT_U*() Vincent Mailhol via B4 Relay
2025-03-07 17:18 ` [PATCH v6 0/7] bits: Fixed-type GENMASK_U*() and BIT_U*() Yury Norov
2025-03-07 17:43   ` Andy Shevchenko
2025-03-07 17:48     ` Yury Norov
2025-03-07 17:50       ` Andy Shevchenko
2025-03-08 10:40         ` Vincent Mailhol

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