[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: [Xen-ia64-devel] [PATCH] XEN: Avoid double reclaim dom0 image anddom0 initrd


  • To: "Xu, Anthony" <anthony.xu@xxxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "You, Yongkang" <yongkang.you@xxxxxxxxx>
  • Date: Thu, 2 Mar 2006 17:02:09 +0800
  • Delivery-date: Thu, 02 Mar 2006 09:04:02 +0000
  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
  • Thread-index: AcY9yEWfPBakljVySYetdztFHMTE5QADz/UQ
  • Thread-topic: [Xen-ia64-devel] [PATCH] XEN: Avoid double reclaim dom0 image anddom0 initrd

Hi Anthony,

This patch is great! It fixed my Xen boot failed issue from Changeset 9006.
I have tried it in Changeset 9079. 

Best Regards,
Yongkang (Kangkang) 永康

>-----Original Message-----
>From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Xu,
>Anthony
>Sent: 2006年3月2日 15:10
>To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: [Xen-ia64-devel] [PATCH] XEN: Avoid double reclaim dom0 image
>anddom0 initrd
>
>VMM doesn't need to reclaim dom0 image and dom0 initrd by using
>init_domheap_pages, because they have been reclaimed by below code:
>in function start_kernel of xensetup.c
>    efi_memmap_walk(filter_rsvd_memory, init_boot_pages);
>Reclaiming again may cause xen hang at very beginning.
>
>BTW, dom0 initrd is for dom0 not for xen, it will be copied into dom0
>memory space, so VMM doesn't need to reserve memory for dom0 initrd.
>Commenting below definition makes dom0 initrd reclaimable.
>-#define CONFIG_BLK_DEV_INITRD // needed to reserve memory for domain0
>+//#define CONFIG_BLK_DEV_INITRD // needed to reserve memory for
>domain0
>
>Signed-off-by: Anthony Xu <anthony.xu@xxxxxxxxx>
>
>Thanks,
>-Anthony


_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.