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Re: [PATCH] Use uname not sysctl to get the kernel revision

From: Alan Cox <alan at lxorguk dot ukuu dot org dot uk>
To: "H. Peter Anvin" <hpa at zytor dot com>
Cc: "Eric W. Biederman" <ebiederm at xmission dot com>, Arjan van de Ven <arjan at infradead dot org>, Jakub Jelinek <jakub at redhat dot com>, Ulrich Drepper <drepper at redhat dot com>, Roland McGrath <roland at redhat dot com>, "Randy.Dunlap" <rdunlap at xenotime dot net>, akpm at osdl dot org, linux-kernel at vger dot kernel dot org, libc-alpha at sourceware dot org
Date: Thu, 13 Jul 2006 12:15:59 +0100
Subject: Re: [PATCH] Use uname not sysctl to get the kernel revision
References: <20060712184412.2BD57180061@magilla.sf.frob.com> <44B54EA4.5060506@redhat.com> <20060712195349.GW3823@sunsite.mff.cuni.cz> <44B556E5.5000702@zytor.com> <m1k66i8ql5.fsf@ebiederm.dsl.xmission.com> <1152739766.3217.83.camel@laptopd505.fenrus.org> <m1bqru8p36.fsf@ebiederm.dsl.xmission.com> <1152741665.3217.85.camel@laptopd505.fenrus.org> <44B57191.5000802@zytor.com> <m1zmfe794e.fsf@ebiederm.dsl.xmission.com> <1152745664.22943.115.camel@localhost.localdomain> <44B58396.7080703@zytor.com>

Ar Mer, 2006-07-12 am 16:19 -0700, ysgrifennodd H. Peter Anvin:
> glibc is (and has to be) LGPL.
> 
> Anyway, it seems absolutely insane that having a programmable threshold 
> for spinning is patented...

I'm not aware programmable thresholds are patented/patent-pending, just
having the kernel indicate through a shared variable whether other tasks
are waiting so that it avoids syscalls and latency costs.

References:
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: Roland McGrath
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: Ulrich Drepper
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: Jakub Jelinek
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: H. Peter Anvin
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: Eric W. Biederman
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: Arjan van de Ven
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: Eric W. Biederman
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: Arjan van de Ven
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: H. Peter Anvin
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: Eric W. Biederman
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: Alan Cox
- Re: [PATCH] Use uname not sysctl to get the kernel revision
  - From: H. Peter Anvin

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