[Xen-devel] RE: [PATCH] calling zap_low_mappings breaks xen boot on the es7000

["Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>]

>-----Original Message-----
>From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx] 
>Sent: Saturday, May 19, 2007 4:20 AM
>To: Subrahmanian, Raj; xen-devel@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [PATCH] calling zap_low_mappings breaks xen boot 
>on the es7000
>> All,
>> Changeset 15044 fixes zap_low_mappings, and calls it from setup.c if 
>> on a x86_64 box.
>> This zaps some of the memory the ES7000 uses to talk to the Server 
>> Control (to setup APICs, for instance).
>> This patch executes the zap_low_mappings only if not on an ES7000.
>> Signed-off-by: Rajagopalan Subrahmanian <raj.subrahmanian@xxxxxxxxxx>
>> 
>> Thanks
>> Raj
>Either we should just delay the zap_low_mappings() call, or 
>fix your code to map_domain_page()/unmap_domain_page(). How 
>late in boot do you need the low mappings?
Keir.

This patch delays the zap_low_mappings() call until after the
smp_prepare_cpus call. With this patch, I am able to run Xen on the
ES7000 and a Dell SC 1430.

Raj

Attachment: delayzap.patch
Description: delayzap.patch

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