From: Eric Dumazet <dada1@cosmosbay.com>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86_64 prefetchw() function can take into account CONFIG_MK8 / CONFIG_MPSC
Date: Thu, 23 Jun 2005 14:53:14 +0200 [thread overview]
Message-ID: <42BAB0BA.1010100@cosmosbay.com> (raw)
In-Reply-To: <20050623113150.GK14251@wotan.suse.de>
Andi Kleen a écrit :
> On Thu, Jun 23, 2005 at 11:32:34AM +0200, Eric Dumazet wrote:
>
>>If we build a x86_64 kernel for an AMD64 or for an Intel EMT64, no need to
>>use alternative_input.
>>Reserve alternative_input only for a generic kernel.
>
>
> An EM64T kernel should still boot on AMD64 and vice versa. Rejected.
>
> -Andi
>
>
OK, I wrongly assumed the 'MK8' or 'MPSC' choices were like x86 choices :
A kernel compiled for a Pentium-4 will not run on a i486.
But then what is the meaning of the choice "Generic-x86-64" in the "Processor family" menu ?
The Help message is : CONFIG_GENERIC_CPU: Generic x86-64 CPU.
Eric
next prev parent reply other threads:[~2005-06-23 12:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20050622.132241.21929037.davem@davemloft.net>
[not found] ` <200506222242.j5MMgbxS009935@guinness.s2io.com>
[not found] ` <20050622231300.GC14251@wotan.suse.de>
2005-06-23 9:32 ` Eric Dumazet
2005-06-23 9:37 ` Eric Dumazet
2005-06-23 11:31 ` Andi Kleen
2005-06-23 12:53 ` Eric Dumazet [this message]
2005-06-23 13:10 ` Andi Kleen
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