From: Robert Love <rml@mvista.com>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
linux-kernel@vger.kernel.org, Adam G Litke <aglitke@us.ibm.com>
Subject: Re: [PATCH] reduce code in generic spinlock.h
Date: 23 Jul 2002 09:38:39 -0700 [thread overview]
Message-ID: <1027442320.3581.100.camel@sinai> (raw)
In-Reply-To: <3D3D8414.1040201@us.ibm.com>
On Tue, 2002-07-23 at 09:28, Dave Hansen wrote:
> The last time lockmeter was ported to 2.5, it was getting a little
> messy. There were separate declarations for spin_*lock() for each
> combination of lockmeter and preemption, which made four, plus the
> no-smp definition. While lockmeter's mess isn't the kernel's fault,
> we noticed some some simplifications which could be made to the
> generic spinlock code. This patch uses a single definition for each
> of the macros, eliminating some redundant code.
I have no problems with this (assuming it is right and it looks so on
first glance).
It will not apply to Linus's current tree, however, because of the IRQ
rewrite that is now applied. If you pull his BK tree and diff against
that, you should be OK... most notably, the preemption code has moved to
preempt.h.
Robert Love
next prev parent reply other threads:[~2002-07-23 16:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-23 16:28 [PATCH] reduce code in generic spinlock.h Dave Hansen
2002-07-23 16:38 ` Robert Love [this message]
2002-07-23 16:41 ` Dave Hansen
2002-07-23 19:41 ` Dave Hansen
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