Re: [PATCH] ia64: change usermode HZ to 250
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- To: David Mosberger-Tang <David.Mosberger@xxxxxxx>
- Subject: Re: [PATCH] ia64: change usermode HZ to 250
- From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
- Date: Tue, 11 Jul 2006 11:10:14 +0100
- Cc: Jeremy Higdon <jeremy@xxxxxxx>, Arjan van de Ven <arjan@xxxxxxxxxxxxx>, Jes Sorensen <jes@xxxxxxx>, "Luck, Tony" <tony.luck@xxxxxxxxx>, John Daiker <jdaiker@xxxxxxxx>, John Hawkes <hawkes@xxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Jack Steiner <steiner@xxxxxxx>, Dan Higgins <djh@xxxxxxx>
- In-reply-to: <ed5aea430607102001g514bfa97jf82c25a038e9c436@xxxxxxxxxxxxxx>
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Ar Llu, 2006-07-10 am 21:01 -0600, ysgrifennodd David Mosberger-Tang:
> Note that Alan didn't claim that *all* (Linux-supported) architectures
> expose a constant user HZ, only the "mainstream" ones. I won't get
Indeed. IA64 likes to be different
> into the debate as to what qualifies as "mainstream", but clearly IA64
> does not (and should not) expose a constant value, since there were no
> legacy-binary-issue and we chose to insist that apps should uses
> sysconf() or equivalent if they need to know the clocktick.
In the case where you are running x86 binaries where you do need to
translate of course.
Alan
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