 Home |
Products |
Support |
Community |
News |
xen-devel
Re: [Xen-devel] [PATCH] x86: add an extra check when validating a huge p
| To: | Jan Beulich <JBeulich@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] x86: add an extra check when validating a huge pv L2 entry |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Wed, 09 Sep 2009 16:35:53 +0100 |
| Cc: | |
| Delivery-date: | Wed, 09 Sep 2009 08:36:40 -0700 |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxxx |
| In-reply-to: | <4AA7E3A90200007800014295@xxxxxxxxxxxxxxxxxx> |
| 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/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe> |
| List-unsubscribe: | <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| Thread-index: | AcoxYQuWxKAPUsRUSciechUkScgxgwAAiuNt |
| Thread-topic: | [Xen-devel] [PATCH] x86: add an extra check when validating a huge pv L2 entry |
| User-agent: | Microsoft-Entourage/12.19.0.090515 |
On 09/09/2009 16:19, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: > - rc = get_data_page(mfn_to_page(m), d, writeable); > + if ( mfn_valid(m) ) > + rc = get_data_page(mfn_to_page(m), d, writeable); > + else > + rc = -EINVAL; 'else rc = 0' would be more like it, eh? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | [Xen-devel] an unsolved problem, 刘楚高 |
|---|---|
| Next by Date: | Re: [Xen-devel] Re: Video Presentation on PCI Express x16 VGA Pass Through to Xen-based Windows XP Home Edition HVM Virtual Machine, Mr. Teo En Ming (Zhang Enming) |
| Previous by Thread: | [Xen-devel] [PATCH] x86: add an extra check when validating a huge pv L2 entry, Jan Beulich |
| Next by Thread: | Re: [Xen-devel] [PATCH] x86: add an extra check when validating a huge pv L2 entry, Jan Beulich |
| Indexes: | [Date] [Thread] [Top] [All Lists] |
