linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "David S. Miller" <davem@davemloft.net>
To: Andrea Arcangeli <andrea@suse.de>
Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, akpm@osdl.org
Subject: Re: VM fixes [4/4]
Date: Fri, 24 Dec 2004 12:55:04 -0800	[thread overview]
Message-ID: <20041224125504.4caa4270.davem@davemloft.net> (raw)
In-Reply-To: <20041224182219.GH13747@dualathlon.random>

On Fri, 24 Dec 2004 19:22:19 +0100
Andrea Arcangeli <andrea@suse.de> wrote:

> On Fri, Dec 24, 2004 at 10:01:47AM -0800, David S. Miller wrote:
> > On Fri, 24 Dec 2004 18:41:56 +0100
> > Andrea Arcangeli <andrea@suse.de> wrote:
> > 
> > > + * All archs should support atomic ops with
> > > + * 1 byte granularity.
> > > + */
> > > +	unsigned char memdie;
> > 
> > Again, older Alpha's do not.
> 
> If those old cpus really supported smp in linux, then fixing this bit is
> trivial, just change it to short. Do they support short at least?

No, they do not.  The smallest atomic unit is one 32-bit word.
And yes there are SMP systems using these chips.

  reply	other threads:[~2004-12-24 20:55 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-24 17:41 VM fixes [4/4] Andrea Arcangeli
2004-12-24 18:01 ` David S. Miller
2004-12-24 18:22   ` Andrea Arcangeli
2004-12-24 20:55     ` David S. Miller [this message]
2004-12-24 21:25       ` William Lee Irwin III
2004-12-24 23:52         ` William Lee Irwin III
2004-12-24 23:55         ` David S. Miller
2004-12-24 23:41     ` Linus Torvalds
2004-12-25  2:27       ` Andrea Arcangeli
2004-12-25  3:24         ` VM fixes [PF_MEMDIE to TIF_MEMDIE] [5/4] Andrea Arcangeli
2004-12-25 14:53           ` VM fixes [->used_math to PF_USED_MATH] [6/4] Andrea Arcangeli
2004-12-27  7:03             ` Andy Isaacson
2005-01-02 15:41               ` Andrea Arcangeli
2005-01-08 17:17                 ` William Lee Irwin III
2004-12-25  0:06     ` VM fixes [4/4] Mitchell Blank Jr
2004-12-25  2:37       ` Andrea Arcangeli
2004-12-24 23:32 ` Linus Torvalds
2004-12-27 13:38 ` Rik van Riel
2004-12-28  9:42   ` Thomas Gleixner
2005-01-02 15:51     ` Andrea Arcangeli
2005-01-02 16:44       ` Rik van Riel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20041224125504.4caa4270.davem@davemloft.net \
    --to=davem@davemloft.net \
    --cc=akpm@osdl.org \
    --cc=andrea@suse.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=tglx@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).