From: Keith Owens <kaos@ocs.com.au>
To: Brian Gerst <bgerst@didntduck.org>
Cc: george anzinger <george@mvista.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: How should we do a 64-bit jiffies?
Date: Tue, 23 Oct 2001 16:23:04 +1000 [thread overview]
Message-ID: <1898.1003818184@ocs3.intra.ocs.com.au> (raw)
In-Reply-To: Your message of "Tue, 23 Oct 2001 02:05:54 -0400." <3BD508C2.3A0DB6C2@didntduck.org>
On Tue, 23 Oct 2001 02:05:54 -0400,
Brian Gerst <bgerst@didntduck.org> wrote:
>Keith Owens wrote:
>> You will need a spin lock around that on 32 bit systems, but that is
>> true for anything that tries to do 64 bit counter updates on a 32 bit
>> system.
>
>cmpxchg8b does, but it's a bit indirect.
Not on 386, only on 486 and above. Besides, you want to avoid arch
specific asm code.
next prev parent reply other threads:[~2001-10-23 6:23 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-22 15:12 george anzinger
2001-10-23 5:10 ` Keith Owens
2001-10-23 6:05 ` Brian Gerst
2001-10-23 6:23 ` Keith Owens [this message]
2001-10-23 8:03 ` george anzinger
2001-10-23 15:45 ` Linus Torvalds
2001-10-26 20:59 ` george anzinger
[not found] ` <200110231545.f9NFjgg01377@penguin.transmeta.com>
2002-05-10 21:35 ` 64-bit jiffies, a better solution george anzinger
2002-05-10 21:52 ` Linus Torvalds
2002-05-10 22:36 ` george anzinger
2002-05-10 22:40 ` Linus Torvalds
2002-05-11 0:42 ` 64-bit jiffies, a better solution take 2 george anzinger
2002-05-11 8:29 ` Russell King
2002-05-11 15:01 ` george anzinger
2002-05-11 16:10 ` Russell King
2002-05-11 17:31 ` george anzinger
2002-05-11 17:37 ` Linus Torvalds
2002-05-11 18:11 ` Russell King
2002-05-11 23:38 ` Keith Owens
2002-05-12 0:01 ` Russell King
2002-05-12 0:31 ` Keith Owens
2002-05-12 8:12 ` george anzinger
[not found] ` <3CDD6DA1.7B259EF1@mvista.com>
[not found] ` <20020511201748.G1574@flint.arm.linux.org.uk>
2002-05-12 8:03 ` 64-bit jiffies, a better solution take 2 (Fix ARM) george anzinger
2002-05-11 16:41 ` 64-bit jiffies, a better solution take 2 Daniel Jacobowitz
2002-05-13 11:09 ` 64-bit jiffies, a better solution Maciej W. Rozycki
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