From: Ingo Molnar <mingo@elte.hu>
To: Frank Rowand <frowand@mvista.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/5] ppc RT: Realtime preempt support for PPC
Date: Tue, 5 Apr 2005 07:39:06 +0200 [thread overview]
Message-ID: <20050405053906.GA19062@elte.hu> (raw)
In-Reply-To: <424DDF5F.9080909@mvista.com>
* Frank Rowand <frowand@mvista.com> wrote:
> I looked at all the architectures and found that the disparity of the
> type of the "lock" field in struct rwlock_t is even larger than I had
> indicated in my earlier email. I am attaching a proof of concept
> patch to handle this. If this looks like a good method to you then I
> will create a real patch against your current patch, and include i386,
> mips, x86_64, and ppc.
> +#include <asm/raw_spinlock.h>
> typedef struct {
> - volatile unsigned long lock;
> + ARCH_RAW_RWLOCK_LOCK
maybe the simplest method would be to let architectures to define the
raw spinlock type after all. I was hoping to standardize things across
all architectures, but maybe it's not possible.
Ingo
prev parent reply other threads:[~2005-04-05 5:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-07 21:48 [PATCH 0/5] ppc RT: Realtime preempt support for PPC Frank Rowand
2005-03-16 10:09 ` Ingo Molnar
2005-03-16 15:30 ` K.R. Foley
2005-03-17 8:38 ` Ingo Molnar
2005-03-22 0:38 ` Frank Rowand
2005-03-31 1:36 ` Frank Rowand
2005-03-31 9:16 ` Ingo Molnar
2005-04-01 23:55 ` Frank Rowand
2005-04-05 5:39 ` Ingo Molnar [this message]
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