WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 		  
Home Products Support Community News
 
   
 

xen-ia64-devel

[Top] [All Lists]
<prev [Date] next>
[Advanced]
 <prev [Thread] next>

[Xen-ia64-devel] Re: [PATCH][RFC] fix DTLB miss behavior with physical m

from [tgingold] [Permanent Link][Original]
To: Kouya Shimura <kouya@xxxxxxxxxxxxxx>
Subject: [Xen-ia64-devel] Re: [PATCH][RFC] fix DTLB miss behavior with physical mode
From: tgingold@xxxxxxx
Date: Fri, 14 Mar 2008 11:48:54 +0100
Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 14 Mar 2008 03:49:08 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <7kmyp1rfnp.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-ia64-devel-request@lists.xensource.com?subject=help>
List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
List-post: <mailto:xen-ia64-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=unsubscribe>
References: <7ktzjbqjfs.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxx> <20080313124404.GA2687@saphi> <7kprtyqclv.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxx> <7kmyp1rfnp.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Internet Messaging Program (IMP) 3.2.8 
Quoting Kouya Shimura <kouya@xxxxxxxxxxxxxx>:

> Hi,
>
> A behavior with bad physical address on HVM is unpredictable.
> It means that a speculative load can't be used with physical mode.
>
> This patch fixes it. but it still implies a issue with metaphyscial
> mode. There is no way to distinguish RSE fault from DTLB miss.
> Is there any good idea?

isr.rs ?

I still fail to see which bug you are trying to fix... (but I don't have the
full context here).

Tristan.

_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel
[More with this subject...]
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  RE: [Xen-ia64-devel] pv_ops polish: remove fsys.S changes, Dong, Eddie
Next by Date:  [Xen-ia64-devel] Re: [Xen-devel] [IA64] Weekly benchmark results [ww10], Masaki Kanno
Previous by Thread:  [Xen-ia64-devel] [PATCH][RFC] fix DTLB miss behavior with physical mode, Kouya Shimura
Next by Thread:  [Xen-ia64-devel] Re: [PATCH][RFC] fix DTLB miss behavior with physical mode, Kouya Shimura
Indexes:  [Date] [Thread] [Top] [All Lists]
 
   

Copyright , Citrix Systems Inc. All rights reserved. Legal and Privacy