From: Robert Gadsdon <rgadsdon@bayarea.net>
To: linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] optimization for sys_semtimedop() (was: Opening Day for OpenSolaris)
Date: Wed, 15 Jun 2005 00:05:51 +0100 [thread overview]
Message-ID: <42AF62CF.9000501@bayarea.net> (raw)
In-Reply-To: <fa.gjr3si0.110j3e@ifi.uio.no>
IANAL, but if this is from 'OpenSolaris sources' then surely it would be
incompatible with the GPL?
Robert Gadsdon.
Manfred Spraul wrote:
> Hi,
>
> semtimedop() performs a semaphore operation and if the operation cannot
> be performed immediately, then the function blocks until the timeout
> expires.
> The current Linux implementation loads the timeout immediately, even if
> the operation doesn't block.
> As explained in the OpenSolaris sources, this is not needed. The
> attached patch changes the Linux code.
>
> The patch is trivial, but not tested. It shrinks the .text size by 32
> bytes on x86.
>
> --
> Manfred
>
next parent reply other threads:[~2005-06-14 23:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.gjr3si0.110j3e@ifi.uio.no>
2005-06-14 23:05 ` Robert Gadsdon [this message]
2005-06-14 17:23 [PATCH] optimization for sys_semtimedop() (was: Opening Day for OpenSolaris) Manfred Spraul
2005-06-15 5:14 ` Manfred Spraul
2005-06-18 20:26 ` Patrick Plattes
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