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Re: [Xen-devel] [PATCH]: Fix mem= kernel parameter
| To: | Chris Lalancette <clalance@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH]: Fix mem= kernel parameter |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Tue, 22 May 2007 17:17:24 +0100 |
| Delivery-date: | Tue, 22 May 2007 09:15:59 -0700 |
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| In-reply-to: | <4652FD76.1010600@xxxxxxxxxx> |
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| Thread-index: | AcecjK577Rdv2Qh/Edy3pQAX8io7RQ== |
| Thread-topic: | [Xen-devel] [PATCH]: Fix mem= kernel parameter |
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We used to support this properly but it must have got dropped during some kernel upgrade. Thanks for adding it back in. -- Keir On 22/5/07 15:25, "Chris Lalancette" <clalance@xxxxxxxxxx> wrote: > The third case is the one that is currently broken. Looking at the code > above, > you can see that the array allocated for the p2m table is too small in that > case, and during the subsequent memcpy() can cause a page fault and then an > OOPs. The attached patch handles the third case by decreasing the > reservation, > and only copying the appropriate number of entries into the p2m table. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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