From: Jeff Garzik <jeff@garzik.org>
To: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
Dave Jones <davej@codemonkey.org.uk>
Subject: Re: [PATCH RFC] x86: fix confusing name of /proc/cpuinfo "ht" flag
Date: Wed, 11 Nov 2009 16:35:19 -0500 [thread overview]
Message-ID: <4AFB2E17.6060000@garzik.org> (raw)
In-Reply-To: <200911112134.34261.bzolnier@gmail.com>
On 11/11/2009 03:34 PM, Bartlomiej Zolnierkiewicz wrote:
>
> "ht" flag indicates only ability to detect siblings not HT presence itself.
>
> Inspired by:
> http://www.codemonkey.org.uk/2009/11/10/common-hyperthreading-misconception/
>
> Signed-off-by: Bartlomiej Zolnierkiewicz<bzolnier@gmail.com>
> ---
> It could be that there are some user-space programs depending on "ht"
> flag so the patch is marked as RFC..
I think that is the only problem with this patch -- it is an ABI change.
See as it's been this way for years, a comment is probably the best
you can do...
Jeff
next prev parent reply other threads:[~2009-11-11 21:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-11 20:34 [PATCH RFC] x86: fix confusing name of /proc/cpuinfo "ht" flag Bartlomiej Zolnierkiewicz
2009-11-11 20:46 ` Chris Friesen
2009-11-12 17:07 ` Alexander Clouter
2009-11-11 21:35 ` Jeff Garzik [this message]
2009-11-12 6:59 ` Ingo Molnar
2009-11-12 7:08 ` H. Peter Anvin
2009-11-12 8:13 ` Ingo Molnar
2009-11-12 15:18 ` H. Peter Anvin
2009-11-12 17:59 ` Ingo Molnar
2009-11-12 18:37 ` Dave Jones
2009-11-12 19:49 ` H. Peter Anvin
2009-11-13 7:42 ` Ingo Molnar
2009-11-13 10:24 ` Bartlomiej Zolnierkiewicz
2009-11-13 7:17 ` H. Peter Anvin
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