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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH v1 1/7] resource: Simplify region_intersects() by reducing conditionals
Date: Fri, 14 Aug 2020 18:39:21 +0300	[thread overview]
Message-ID: <20200814153921.GT1891694@smile.fi.intel.com> (raw)
In-Reply-To: <CAJZ5v0hF7CJYQJsvGbPCr+1Rfi_QqeMkT4z3MrGfmB00CdQvyA@mail.gmail.com>

On Fri, Aug 14, 2020 at 05:17:22PM +0200, Rafael J. Wysocki wrote:
> On Thu, Aug 13, 2020 at 7:57 PM Andy Shevchenko
> <andriy.shevchenko@linux.intel.com> wrote:
> >
> > Now we have for 'other' and 'type' variables
> >
> > other   type    return
> >   0       0     REGION_DISJOINT
> >   0       x     REGION_INTERSECTS
> >   x       0     REGION_DISJOINT
> >   x       x     REGION_MIXED
> >
> > Obviously it's easier to check 'type' for 0 first instead of
> > currently checked 'other'.

...

> > +       return (other == 0) ? REGION_INTERSECTS : REGION_MIXED;
> 
> The parens are not needed here.

Right.

> Also I would do
> 
> if (other == 0)
>        REGION_INTERSECTS;
> 
> return REGION_MIXED;

Works for me, I'll update in v2.

-- 
With Best Regards,
Andy Shevchenko



      reply	other threads:[~2020-08-14 15:39 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-13 17:57 [PATCH v1 1/7] resource: Simplify region_intersects() by reducing conditionals Andy Shevchenko
2020-08-13 17:57 ` [PATCH v1 2/7] resource: Group resource_overlaps() with other inline helpers Andy Shevchenko
2020-08-14 15:18   ` Rafael J. Wysocki
2020-08-14 15:37     ` Andy Shevchenko
2020-08-13 17:57 ` [PATCH v1 3/7] resource: Introduce resource_union() for overlapping resources Andy Shevchenko
2020-08-14 15:23   ` Rafael J. Wysocki
2020-08-14 15:37     ` Andy Shevchenko
2020-08-14 16:09       ` Rafael J. Wysocki
2020-08-14 16:21         ` Andy Shevchenko
2020-08-14 17:17           ` Rafael J. Wysocki
2020-08-14 17:43             ` Andy Shevchenko
2020-08-13 17:57 ` [PATCH v1 4/7] resource: Introduce resource_intersection() " Andy Shevchenko
2020-08-14 15:24   ` Rafael J. Wysocki
2020-08-14 15:38     ` Andy Shevchenko
2020-08-13 17:57 ` [PATCH v1 5/7] PCI/ACPI: Replace open coded variant of resource_union() Andy Shevchenko
2020-08-14 15:26   ` Rafael J. Wysocki
2020-08-13 17:57 ` [PATCH v1 6/7] PCI/ACPI: Fix description of @handle for acpi_is_root_bridge() Andy Shevchenko
2020-08-14 15:11   ` Rafael J. Wysocki
2020-08-14 15:18     ` Andy Shevchenko
2020-08-13 17:57 ` [PATCH v1 7/7] ACPI: watchdog: Replace open coded variant of resource_union() Andy Shevchenko
2020-08-14 15:27   ` Rafael J. Wysocki
2020-08-14 15:17 ` [PATCH v1 1/7] resource: Simplify region_intersects() by reducing conditionals Rafael J. Wysocki
2020-08-14 15:39   ` Andy Shevchenko [this message]

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