Re: [PATCH 01/11] resource: Add System RAM resource type

From	Dan Williams <dan.j.williams@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 01/11] resource: Add System RAM resource type
Date	2015-12-16 20:00 +0100
Message-ID	<qGpsS-5tw-1@gated-at.bofh.it> (permalink)
References	(3 earlier) <qGmv0-3Cs-29@gated-at.bofh.it> <qGnho-4bq-15@gated-at.bofh.it> <qGona-4Os-77@gated-at.bofh.it> <qGowR-4RZ-53@gated-at.bofh.it> <qGoQa-5f3-35@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Wed, Dec 16, 2015 at 10:17 AM, Borislav Petkov <bp@alien8.de> wrote:
> On Wed, Dec 16, 2015 at 09:52:37AM -0800, Dan Williams wrote:
[..]
> Now, imagine you have to do this pretty often. Which is faster: a
> strcmp() or an int comparison...?

Aside from "System RAM" checks I don't think any of these strcmp
usages are in fast paths.

> Even if this cannot be changed easily/in one go, maybe we should at
> least think about starting doing it right so that the strcmp() "fun" is
> phased out gradually...

Sure, but I really don't find use of strcmp() that onerous in slow paths.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Thread

[PATCH 01/11] resource: Add System RAM resource type Toshi Kani <toshi.kani@hpe.com> - 2015-12-15 00:40 +0100
  [PATCH 08/11] memremap: Change region_intersects() to use System RAM type Toshi Kani <toshi.kani@hpe.com> - 2015-12-15 00:40 +0100
  [PATCH 06/11] kexec: Set IORESOURCE_SYSTEM_RAM to System RAM Toshi Kani <toshi.kani@hpe.com> - 2015-12-15 00:40 +0100
  [PATCH 10/11] arm/samsung: Change s3c_pm_run_res() to use System RAM type Toshi Kani <toshi.kani@hpe.com> - 2015-12-15 00:40 +0100
    Re: [PATCH 10/11] arm/samsung: Change s3c_pm_run_res() to use System  RAM type Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-12-15 01:30 +0100
  [PATCH 07/11] memory-hotplug: Set IORESOURCE_SYSTEM_RAM to System RAM Toshi Kani <toshi.kani@hpe.com> - 2015-12-15 00:40 +0100
  [PATCH 04/11] arch: Set IORESOURCE_SYSTEM_RAM to System RAM Toshi Kani <toshi.kani@hpe.com> - 2015-12-15 00:40 +0100
  [PATCH 09/11] resource: Change walk_system_ram to use System RAM type Toshi Kani <toshi.kani@hpe.com> - 2015-12-15 00:40 +0100
  [PATCH 05/11] xen: Set IORESOURCE_SYSTEM_RAM to System RAM Toshi Kani <toshi.kani@hpe.com> - 2015-12-15 00:50 +0100
  [PATCH 03/11] x86/e820: Set IORESOURCE_SYSTEM_RAM to System RAM Toshi Kani <toshi.kani@hpe.com> - 2015-12-15 00:50 +0100
  Re: [PATCH 01/11] resource: Add System RAM resource type Borislav Petkov <bp@alien8.de> - 2015-12-16 13:30 +0100
    Re: [PATCH 01/11] resource: Add System RAM resource type Toshi Kani <toshi.kani@hpe.com> - 2015-12-16 16:50 +0100
      Re: [PATCH 01/11] resource: Add System RAM resource type Borislav Petkov <bp@alien8.de> - 2015-12-16 16:50 +0100
        Re: [PATCH 01/11] resource: Add System RAM resource type Toshi Kani <toshi.kani@hpe.com> - 2015-12-16 17:40 +0100
          Re: [PATCH 01/11] resource: Add System RAM resource type Borislav Petkov <bp@alien8.de> - 2015-12-16 18:50 +0100
            Re: [PATCH 01/11] resource: Add System RAM resource type Dan Williams <dan.j.williams@intel.com> - 2015-12-16 19:00 +0100
              Re: [PATCH 01/11] resource: Add System RAM resource type Borislav Petkov <bp@alien8.de> - 2015-12-16 19:20 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Dan Williams <dan.j.williams@intel.com> - 2015-12-16 20:00 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Borislav Petkov <bp@alien8.de> - 2015-12-16 20:20 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Toshi Kani <toshi.kani@hpe.com> - 2015-12-16 23:00 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Borislav Petkov <bp@alien8.de> - 2015-12-22 12:40 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Toshi Kani <toshi.kani@hpe.com> - 2015-12-22 21:10 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Borislav Petkov <bp@alien8.de> - 2015-12-23 15:30 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Toshi Kani <toshi.kani@hpe.com> - 2015-12-24 03:30 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Toshi Kani <toshi.kani@hpe.com> - 2015-12-24 18:10 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Borislav Petkov <bp@alien8.de> - 2015-12-24 21:00 +0100
                Re: [PATCH 01/11] resource: Add System RAM resource type Toshi Kani <toshi.kani@hpe.com> - 2015-12-24 22:40 +0100

csiph-web