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Re: [PATCH] x86: make clflush a required feature on x86_64

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From: Andi Kleen <andi@...>
To: H. Peter Anvin <hpa@...>
Cc: Kyle McMartin <kyle@...>, Andi Kleen <andi@...>, <tglx@...>, <mingo@...>, <linux-kernel@...>
Subject: Re: [PATCH] x86: make clflush a required feature on x86_64
Date: Friday, January 18, 2008 - 2:54 am

> Simulators can be fixed, 

They could, but why? I don't know of a good reason to require CLFLUSH.


I don't know of any specific ones that lack CLFLUSH, although Bochs
definitely had similar problems in the past.

-Andi
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Messages in current thread:
[PATCH] x86: make clflush a required feature on x86_64, Kyle McMartin, (Fri Jan 18, 12:59 am)
Re: [PATCH] x86: make clflush a required feature on x86_64, Andi Kleen, (Fri Jan 18, 1:53 am)
Re: [PATCH] x86: make clflush a required feature on x86_64, Kyle McMartin, (Fri Jan 18, 2:01 am)
Re: [PATCH] x86: make clflush a required feature on x86_64, H. Peter Anvin, (Fri Jan 18, 2:27 am)
Re: [PATCH] x86: make clflush a required feature on x86_64, Pavel Machek, (Fri Jan 11, 2:16 pm)
Re: [PATCH] x86: make clflush a required feature on x86_64, Andi Kleen, (Fri Jan 18, 2:54 am)
Re: [PATCH] x86: make clflush a required feature on x86_64, H. Peter Anvin, (Fri Jan 18, 9:56 am)
Re: [PATCH] x86: make clflush a required feature on x86_64, Andi Kleen, (Fri Jan 18, 10:18 am)
Re: [PATCH] x86: make clflush a required feature on x86_64, H. Peter Anvin, (Fri Jan 18, 1:04 am)
[PATCH] x86_64: remove redundant cpu_has_ definitions, Kyle McMartin, (Fri Jan 18, 1:25 am)
Re: [PATCH] x86_64: remove redundant cpu_has_ definitions, Ingo Molnar, (Fri Jan 18, 4:07 am)