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-devel

[Xen-devel] Re: [RFC PATCH 16/35] subarch support for interrupt and exce

To: Andi Kleen <ak@xxxxxxx>
Subject: [Xen-devel] Re: [RFC PATCH 16/35] subarch support for interrupt and exception gates
From: Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>
Date: Tue, 9 May 2006 13:55:39 +0100
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Ian Pratt <ian.pratt@xxxxxxxxxxxxx>
Delivery-date: Tue, 09 May 2006 05:56:09 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <200605091309.49631.ak@xxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <20060509084945.373541000@xxxxxxxxxxxx> <20060509085154.441800000@xxxxxxxxxxxx> <200605091309.49631.ak@xxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.4.1i
On Tue, May 09, 2006 at 01:09:49PM +0200, Andi Kleen wrote:
> 
> > +/*
> > + * This needs to use 'idt_table' rather than 'idt', and
> > + * thus use the _nonmapped_ version of the IDT, as the
> > + * Pentium F0 0F bugfix can have resulted in the mapped
> > + * IDT being write-protected.
> > + */
> > +void set_intr_gate(unsigned int n, void *addr)
> > +{
> > +   _set_gate(idt_table+n,14,0,addr,__KERNEL_CS);
> > +}
> 
> No need to duplicate the various set_*_gate functions into the subarchs.

Indeed, we'll change that.  Thanks.

    christian

> > +static void __init set_task_gate(unsigned int n, unsigned int gdt_entry)
> > +{
> > +   /* _set_gate(n, 5, 0, 0, (gdt_entry<<3)); */
> > +}
> 
> Looks weird, but can be handled in the low level function.
> 
> -Andi

> _______________________________________________
> Virtualization mailing list
> Virtualization@xxxxxxxxxxxxxx
> https://lists.osdl.org/mailman/listinfo/virtualization


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>