Re: bit fields && data tearing
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- To: "H. Peter Anvin" <hpa@xxxxxxxxx>
- Subject: Re: bit fields && data tearing
- From: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
- Date: Fri, 05 Sep 2014 11:31:57 -0400
- Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, David Laight <David.Laight@xxxxxxxxxx>, Jakub Jelinek <jakub@xxxxxxxxxx>, "linux-arch@xxxxxxxxxxxxxxx" <linux-arch@xxxxxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, "linux-ia64@xxxxxxxxxxxxxxx" <linux-ia64@xxxxxxxxxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>, "linuxppc-dev@xxxxxxxxxxxxxxxx" <linuxppc-dev@xxxxxxxxxxxxxxxx>, Miroslav Franc <mfranc@xxxxxxxxxx>, Richard Henderson <rth@xxxxxxxxxxx>, linux-alpha@xxxxxxxxxxxxxxx
- In-reply-to: <54091B30.7080100@zytor.com>
- List-id: <linux-ia64.vger.kernel.org>
- References: <20140712181328.GA8738@redhat.com> <54079B70.4050200@hurleysoftware.com> <1409785893.30640.118.camel@pasglop> <063D6719AE5E284EB5DD2968C1650D6D17487172@AcuExch.aculab.com> <1409824374.4246.62.camel@pasglop> <5408E458.3@zytor.com> <54090AF4.7060406@hurleysoftware.com> <54091B30.7080100@zytor.com>
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On 09/04/2014 10:08 PM, H. Peter Anvin wrote:
> 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.
Which is a bit ironic because I remember when Digital had a team
working on emulating native x86 apps on Alpha/NT.
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