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From: "H. Peter Anvin" <hpa@zytor.com>
To: Peter Hurley <peter@hurleysoftware.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	David Laight <David.Laight@ACULAB.COM>
Cc: Jakub Jelinek <jakub@redhat.com>,
	"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
	Tony Luck <tony.luck@intel.com>,
	"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
	Oleg Nesterov <oleg@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Paul Mackerras <paulus@samba.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	Miroslav Franc <mfranc@redhat.com>,
	Richard Henderson <rth@twiddle.net>,
	linux-alpha@vger.kernel.org
Subject: Re: bit fields && data tearing
Date: Thu, 04 Sep 2014 19:08:48 -0700	[thread overview]
Message-ID: <54091B30.2090509@zytor.com> (raw)
In-Reply-To: <54090AF4.7060406@hurleysoftware.com>

On 09/04/2014 05:59 PM, Peter Hurley wrote:
> I have no idea how prevalent the ev56 is compared to the ev5.
> Still we're talking about a chip that came out in 1996.

Ah yes, I stand corrected.  According to Wikipedia, the affected CPUs
were all the 2106x CPUs (EV4, EV45, LCA4, LCA45) plus the 21164 with no
suffix (EV5).  However, we're still talking about museum pieces here.

I wonder what the one I have in my garage is... I'm sure I could emulate
it faster, though.

	-hpa



WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Peter Hurley <peter@hurleysoftware.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	David Laight <David.Laight@ACULAB.COM>
Cc: Jakub Jelinek <jakub@redhat.com>,
	"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
	Tony Luck <tony.luck@intel.com>,
	"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
	Oleg Nesterov <oleg@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Paul Mackerras <paulus@samba.org>,
	linux-alpha@vger.kernel.org,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	Miroslav Franc <mfranc@redhat.com>,
	Richard Henderson <rth@twiddle.net>
Subject: Re: bit fields && data tearing
Date: Thu, 04 Sep 2014 19:08:48 -0700	[thread overview]
Message-ID: <54091B30.2090509@zytor.com> (raw)
In-Reply-To: <54090AF4.7060406@hurleysoftware.com>

On 09/04/2014 05:59 PM, Peter Hurley wrote:
> I have no idea how prevalent the ev56 is compared to the ev5.
> Still we're talking about a chip that came out in 1996.

Ah yes, I stand corrected.  According to Wikipedia, the affected CPUs
were all the 2106x CPUs (EV4, EV45, LCA4, LCA45) plus the 21164 with no
suffix (EV5).  However, we're still talking about museum pieces here.

I wonder what the one I have in my garage is... I'm sure I could emulate
it faster, though.

	-hpa

WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Peter Hurley <peter@hurleysoftware.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	David Laight <David.Laight@ACULAB.COM>
Cc: Jakub Jelinek <jakub@redhat.com>,
	"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
	Tony Luck <tony.luck@intel.com>,
	"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
	Oleg Nesterov <oleg@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Paul Mackerras <paulus@samba.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	Miroslav Franc <mfranc@redhat.com>,
	Richard Henderson <rth@twiddle.net>,
	linux-alpha@vger.kernel.org
Subject: Re: bit fields && data tearing
Date: Fri, 05 Sep 2014 02:08:48 +0000	[thread overview]
Message-ID: <54091B30.2090509@zytor.com> (raw)
In-Reply-To: <54090AF4.7060406@hurleysoftware.com>

On 09/04/2014 05:59 PM, Peter Hurley wrote:
> I have no idea how prevalent the ev56 is compared to the ev5.
> Still we're talking about a chip that came out in 1996.

Ah yes, I stand corrected.  According to Wikipedia, the affected CPUs
were all the 2106x CPUs (EV4, EV45, LCA4, LCA45) plus the 21164 with no
suffix (EV5).  However, we're still talking about museum pieces here.

I wonder what the one I have in my garage is... I'm sure I could emulate
it faster, though.

	-hpa



  parent reply	other threads:[~2014-09-05  2:09 UTC|newest]

Thread overview: 311+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-12 18:13 bit fields && data tearing Oleg Nesterov
2014-07-12 18:13 ` Oleg Nesterov
2014-07-12 20:51 ` Oleg Nesterov
2014-07-12 20:51   ` Oleg Nesterov
2014-07-12 23:34   ` Benjamin Herrenschmidt
2014-07-12 23:34     ` Benjamin Herrenschmidt
2014-07-13 12:29     ` Oleg Nesterov
2014-07-13 12:29       ` Oleg Nesterov
2014-07-13 13:15     ` Peter Hurley
2014-07-13 13:15       ` Peter Hurley
2014-07-13 22:25       ` Benjamin Herrenschmidt
2014-07-13 22:25         ` Benjamin Herrenschmidt
2014-07-15 13:54         ` Peter Hurley
2014-07-15 13:54           ` Peter Hurley
2014-07-15 15:02           ` Richard Henderson
2014-07-15 15:02             ` Richard Henderson
2014-09-03 22:51 ` Peter Hurley
2014-09-03 22:51   ` Peter Hurley
2014-09-03 22:51   ` Peter Hurley
2014-09-03 23:11   ` Benjamin Herrenschmidt
2014-09-03 23:11     ` Benjamin Herrenschmidt
2014-09-03 23:11     ` Benjamin Herrenschmidt
2014-09-03 23:11     ` Benjamin Herrenschmidt
2014-09-04  8:43     ` David Laight
2014-09-04  8:43       ` David Laight
2014-09-04  8:43       ` David Laight
2014-09-04  8:43       ` David Laight
2014-09-04  9:52       ` Benjamin Herrenschmidt
2014-09-04  9:52         ` Benjamin Herrenschmidt
2014-09-04  9:52         ` Benjamin Herrenschmidt
2014-09-04 22:14         ` H. Peter Anvin
2014-09-04 22:14           ` H. Peter Anvin
2014-09-04 22:14           ` H. Peter Anvin
2014-09-05  0:59           ` Peter Hurley
2014-09-05  0:59             ` Peter Hurley
2014-09-05  0:59             ` Peter Hurley
2014-09-05  2:08             ` H. Peter Anvin
2014-09-05  2:08               ` H. Peter Anvin
2014-09-05  2:08               ` H. Peter Anvin
2014-09-05  2:08               ` H. Peter Anvin
2014-09-05 15:31               ` Peter Hurley
2014-09-05 15:31                 ` Peter Hurley
2014-09-05 15:31                 ` Peter Hurley
2014-09-05 15:41                 ` H. Peter Anvin
2014-09-05 15:41                   ` H. Peter Anvin
2014-09-05 15:41                   ` H. Peter Anvin
2014-09-08 17:52                   ` One Thousand Gnomes
2014-09-08 17:52                     ` One Thousand Gnomes
2014-09-08 17:52                     ` One Thousand Gnomes
2014-09-08 17:59                     ` H. Peter Anvin
2014-09-08 17:59                       ` H. Peter Anvin
2014-09-08 17:59                       ` H. Peter Anvin
2014-09-08 19:17                       ` One Thousand Gnomes
2014-09-08 19:17                         ` One Thousand Gnomes
2014-09-08 19:17                         ` One Thousand Gnomes
2014-09-09 11:18                         ` Peter Hurley
2014-09-09 11:18                           ` Peter Hurley
2014-09-09 11:18                           ` Peter Hurley
2014-09-08 22:47                       ` Peter Hurley
2014-09-08 22:47                         ` Peter Hurley
2014-09-08 22:47                         ` Peter Hurley
2014-09-09  1:59                         ` Paul E. McKenney
2014-09-09  1:59                           ` Paul E. McKenney
2014-09-09  1:59                           ` Paul E. McKenney
2014-09-09 11:14                         ` Peter Hurley
2014-09-09 11:14                           ` Peter Hurley
2014-09-09 11:14                           ` Peter Hurley
2014-09-11 10:04                         ` One Thousand Gnomes
2014-09-11 10:04                           ` One Thousand Gnomes
2014-09-11 10:04                           ` One Thousand Gnomes
2014-09-11 16:16                           ` Paul E. McKenney
2014-09-11 16:16                             ` Paul E. McKenney
2014-09-11 16:16                             ` Paul E. McKenney
2014-09-11 20:01                           ` Peter Hurley
2014-09-11 20:01                             ` Peter Hurley
2014-09-11 20:01                             ` Peter Hurley
2014-09-14 23:24                             ` One Thousand Gnomes
2014-09-14 23:24                               ` One Thousand Gnomes
2014-09-14 23:24                               ` One Thousand Gnomes
2014-09-22 19:51                               ` Paul E. McKenney
2014-09-22 19:51                                 ` Paul E. McKenney
2014-09-22 19:51                                 ` Paul E. McKenney
2014-09-23 18:19                               ` Peter Hurley
2014-09-23 18:19                                 ` Peter Hurley
2014-09-23 18:19                                 ` Peter Hurley
2014-09-23 18:39                                 ` One Thousand Gnomes
2014-09-23 18:39                                   ` One Thousand Gnomes
2014-09-23 18:39                                   ` One Thousand Gnomes
2014-09-23 18:39                                   ` One Thousand Gnomes
2014-09-08 18:13                     ` James Bottomley
2014-09-08 18:13                       ` James Bottomley
2014-09-08 18:13                       ` James Bottomley
2014-09-10 20:18                     ` H. Peter Anvin
2014-09-10 20:18                       ` H. Peter Anvin
2014-09-10 20:18                       ` H. Peter Anvin
2014-09-10 21:10                       ` Rob Landley
2014-09-10 21:10                         ` Rob Landley
2014-09-10 21:10                         ` Rob Landley
2014-09-05  2:08             ` H. Peter Anvin [this message]
2014-09-05  2:08               ` H. Peter Anvin
2014-09-05  2:08               ` H. Peter Anvin
2014-09-05  8:16               ` Michael Cree
2014-09-05  8:16                 ` Michael Cree
2014-09-05  8:16                 ` Michael Cree
2014-09-05  8:16                 ` Michael Cree
2014-09-05 18:09                 ` Paul E. McKenney
2014-09-05 18:09                   ` Paul E. McKenney
2014-09-05 18:31                   ` Paul E. McKenney
2014-09-05 18:31                     ` Paul E. McKenney
2014-09-05 19:52                     ` Peter Zijlstra
2014-09-05 19:52                       ` Peter Zijlstra
2014-09-05 19:52                       ` Peter Zijlstra
2014-09-05 20:01                       ` Peter Hurley
2014-09-05 20:01                         ` Peter Hurley
2014-09-05 20:01                         ` Peter Hurley
2014-09-05 20:12                         ` Peter Zijlstra
2014-09-05 20:12                           ` Peter Zijlstra
2014-09-05 20:12                           ` Peter Zijlstra
2014-09-05 20:15                           ` H. Peter Anvin
2014-09-05 20:15                             ` H. Peter Anvin
2014-09-05 20:15                             ` H. Peter Anvin
2014-09-05 20:19                         ` Paul E. McKenney
2014-09-05 20:19                           ` Paul E. McKenney
2014-09-05 20:19                           ` Paul E. McKenney
2014-09-05 18:50                   ` Peter Hurley
2014-09-05 18:50                     ` Peter Hurley
2014-09-05 19:05                     ` Paul E. McKenney
2014-09-05 19:05                       ` Paul E. McKenney
2014-09-05 19:05                       ` Paul E. McKenney
2014-09-05 19:24                       ` Peter Hurley
2014-09-05 19:24                         ` Peter Hurley
2014-09-05 19:24                         ` Peter Hurley
2014-09-05 20:09                         ` Paul E. McKenney
2014-09-05 20:09                           ` Paul E. McKenney
2014-09-05 20:09                           ` Paul E. McKenney
2014-09-05 20:09                           ` Paul E. McKenney
2014-09-05 19:38                       ` Marc Gauthier
2014-09-05 19:38                         ` Marc Gauthier
2014-09-05 19:38                         ` Marc Gauthier
2014-09-05 20:14                         ` Peter Hurley
2014-09-05 20:14                           ` Peter Hurley
2014-09-05 20:14                           ` Peter Hurley
2014-09-05 20:34                           ` H. Peter Anvin
2014-09-05 20:34                             ` H. Peter Anvin
2014-09-05 20:34                             ` H. Peter Anvin
2014-09-05 20:42                             ` Michael Cree
2014-09-05 20:42                               ` Michael Cree
2014-09-05 20:42                               ` Michael Cree
2014-09-05 20:43                             ` Paul E. McKenney
2014-09-05 20:43                               ` Paul E. McKenney
2014-09-05 20:43                               ` Paul E. McKenney
2014-09-05 20:48                               ` Thomas Gleixner
2014-09-05 20:48                                 ` Thomas Gleixner
2014-09-05 20:48                                 ` Thomas Gleixner
2014-09-05 21:05                                 ` Paul E. McKenney
2014-09-05 21:05                                   ` Paul E. McKenney
2014-09-05 21:05                                   ` Paul E. McKenney
2014-09-05 20:39                           ` Michael Cree
2014-09-05 20:39                             ` Michael Cree
2014-09-05 20:39                             ` Michael Cree
2014-09-05 21:12                             ` Peter Hurley
2014-09-05 21:12                               ` Peter Hurley
2014-09-05 21:27                               ` Michael Cree
2014-09-05 21:27                                 ` Michael Cree
2014-09-05 21:27                                 ` Michael Cree
2014-09-05 20:42                           ` Paul E. McKenney
2014-09-05 20:42                             ` Paul E. McKenney
2014-09-05 20:42                             ` Paul E. McKenney
2014-09-04  8:57     ` Mikael Pettersson
2014-09-04  8:57       ` Mikael Pettersson
2014-09-04  8:57       ` Mikael Pettersson
2014-09-04  8:57       ` Mikael Pettersson
2014-09-04  9:09       ` Jakub Jelinek
2014-09-04  9:09         ` Jakub Jelinek
2014-09-04  9:09         ` Jakub Jelinek
2014-09-04 12:24         ` Peter Hurley
2014-09-04 12:24           ` Peter Hurley
2014-09-04 12:24           ` Peter Hurley
2014-09-04 12:29           ` Jakub Jelinek
2014-09-04 12:29             ` Jakub Jelinek
2014-09-04 12:29             ` Jakub Jelinek
2014-09-04 16:50           ` One Thousand Gnomes
2014-09-04 16:50             ` One Thousand Gnomes
2014-09-04 16:50             ` One Thousand Gnomes
2014-09-04 16:50             ` One Thousand Gnomes
2014-09-04 19:42             ` Peter Hurley
2014-09-04 19:42               ` Peter Hurley
2014-09-04 19:42               ` Peter Hurley
2014-09-04 22:16               ` H. Peter Anvin
2014-09-04 22:16                 ` H. Peter Anvin
2014-09-04 22:16                 ` H. Peter Anvin
2014-09-05  0:17                 ` Paul E. McKenney
2014-09-05  0:17                   ` Paul E. McKenney
2014-09-05  0:17                   ` Paul E. McKenney
2014-09-05  1:57                   ` Peter Hurley
2014-09-05  1:57                     ` Peter Hurley
2014-09-05  1:57                     ` Peter Hurley
2014-09-05  2:11                   ` James Bottomley
2014-09-05  2:11                     ` James Bottomley
2014-09-05  2:11                     ` James Bottomley
2014-09-05  2:47                     ` Peter Hurley
2014-09-05  2:47                       ` Peter Hurley
2014-09-05  2:47                       ` Peter Hurley
2014-09-05  4:06                       ` Paul E. McKenney
2014-09-05  4:06                         ` Paul E. McKenney
2014-09-05  4:06                         ` Paul E. McKenney
2014-09-05  8:30                         ` David Laight
2014-09-05  8:30                           ` David Laight
2014-09-05  8:30                           ` David Laight
2014-09-05  8:30                           ` David Laight
2014-09-05 12:31                           ` Peter Hurley
2014-09-05 12:31                             ` Peter Hurley
2014-09-05 12:31                             ` Peter Hurley
2014-09-05 12:37                             ` David Laight
2014-09-05 12:37                               ` David Laight
2014-09-05 12:37                               ` David Laight
2014-09-05 12:37                               ` David Laight
2014-09-05 16:17                               ` Peter Hurley
2014-09-05 16:17                                 ` Peter Hurley
2014-09-05 16:17                                 ` Peter Hurley
2014-09-25 16:12                                 ` Pavel Machek
2014-09-25 16:12                                   ` Pavel Machek
2014-09-25 16:12                                   ` Pavel Machek
2014-09-07  5:07                         ` James Bottomley
2014-09-07  5:07                           ` James Bottomley
2014-09-07  5:07                           ` James Bottomley
2014-09-07 16:21                           ` Paul E. McKenney
2014-09-07 16:21                             ` Paul E. McKenney
2014-09-07 16:21                             ` Paul E. McKenney
2014-09-07 19:04                             ` James Bottomley
2014-09-07 19:04                               ` James Bottomley
2014-09-07 19:04                               ` James Bottomley
2014-09-07 20:41                               ` Peter Hurley
2014-09-07 20:41                                 ` Peter Hurley
2014-09-07 20:41                                 ` Peter Hurley
2014-09-08  5:50                                 ` James Bottomley
2014-09-08  5:50                                   ` James Bottomley
2014-09-08  5:50                                   ` James Bottomley
2014-09-08 20:45                                   ` Chris Metcalf
2014-09-08 20:45                                     ` Chris Metcalf
2014-09-08 20:45                                     ` Chris Metcalf
2014-09-08 20:45                                     ` Chris Metcalf
2014-09-08 22:43                                     ` James Bottomley
2014-09-08 22:43                                       ` James Bottomley
2014-09-08 22:43                                       ` James Bottomley
2014-09-09  2:27                                       ` H. Peter Anvin
2014-09-09  2:27                                         ` H. Peter Anvin
2014-09-09  2:27                                         ` H. Peter Anvin
2014-09-09  2:27                                         ` H. Peter Anvin
2014-09-09  8:11                                         ` Arnd Bergmann
2014-09-09  8:11                                           ` Arnd Bergmann
2014-09-09  8:11                                           ` Arnd Bergmann
2014-09-08 23:30                                   ` Peter Hurley
2014-09-08 23:30                                     ` Peter Hurley
2014-09-08 23:30                                     ` Peter Hurley
2014-09-09  2:56                                     ` James Bottomley
2014-09-09  2:56                                       ` James Bottomley
2014-09-09  2:56                                       ` James Bottomley
2014-09-09  3:20                                       ` H. Peter Anvin
2014-09-09  3:20                                         ` H. Peter Anvin
2014-09-09  3:20                                         ` H. Peter Anvin
2014-09-09  4:30                                       ` H. Peter Anvin
2014-09-09  4:30                                         ` H. Peter Anvin
2014-09-09  4:30                                         ` H. Peter Anvin
2014-09-09  4:30                                         ` H. Peter Anvin
2014-09-09 10:40                                       ` Peter Hurley
2014-09-09 10:40                                         ` Peter Hurley
2014-09-09 10:40                                         ` Peter Hurley
2014-09-10 21:48                                         ` James Bottomley
2014-09-10 21:48                                           ` James Bottomley
2014-09-10 21:48                                           ` James Bottomley
2014-09-10 23:50                                           ` Peter Hurley
2014-09-10 23:50                                             ` Peter Hurley
2014-09-10 23:50                                             ` Peter Hurley
2014-09-11 10:23                                           ` Will Deacon
2014-09-11 10:23                                             ` Will Deacon
2014-09-11 10:23                                             ` Will Deacon
2014-09-07 23:00                               ` Paul E. McKenney
2014-09-07 23:00                                 ` Paul E. McKenney
2014-09-07 23:00                                 ` Paul E. McKenney
2014-09-07 23:17                                 ` H. Peter Anvin
2014-09-07 23:17                                   ` H. Peter Anvin
2014-09-07 23:17                                   ` H. Peter Anvin
2014-09-07 23:36                                   ` Paul E. McKenney
2014-09-07 23:36                                     ` Paul E. McKenney
2014-09-07 23:36                                     ` Paul E. McKenney
2014-09-07 23:39                                     ` H. Peter Anvin
2014-09-07 23:39                                       ` H. Peter Anvin
2014-09-07 23:39                                       ` H. Peter Anvin
2014-09-08  5:56                                       ` James Bottomley
2014-09-08  5:56                                         ` James Bottomley
2014-09-08  5:56                                         ` James Bottomley
2014-09-08 18:12                                         ` H. Peter Anvin
2014-09-08 18:12                                           ` H. Peter Anvin
2014-09-08 18:12                                           ` H. Peter Anvin
2014-09-08 19:09                                           ` James Bottomley
2014-09-08 19:09                                             ` James Bottomley
2014-09-08 19:09                                             ` James Bottomley
2014-09-08 19:12                                             ` H. Peter Anvin
2014-09-08 19:12                                               ` H. Peter Anvin
2014-09-08 19:12                                               ` H. Peter Anvin
2014-09-08 19:12                                             ` H. Peter Anvin
2014-09-08 19:12                                               ` H. Peter Anvin
2014-09-08 19:12                                               ` H. Peter Anvin
2014-09-08 19:12                                               ` H. Peter Anvin
2014-09-08 22:39                                               ` James Bottomley
2014-09-08 22:39                                                 ` James Bottomley
2014-09-08 22:39                                                 ` James Bottomley
2014-09-09  2:30                                                 ` H. Peter Anvin
2014-09-09  2:30                                                   ` H. Peter Anvin
2014-09-09  2:30                                                   ` H. Peter Anvin

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