RE: [Xen-ia64-devel] [PATCH] [RFC] [TAKE2] P2M/VP (incomplete) p

To:	"Isaku Yamahata" <yamahata@xxxxxxxxxxxxx>
Subject:	RE: [Xen-ia64-devel] [PATCH] [RFC] [TAKE2] P2M/VP (incomplete) patches
From:	"Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date:	Thu, 16 Mar 2006 11:40:36 +0800
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Thread-topic:	[Xen-ia64-devel] [PATCH] [RFC] [TAKE2] P2M/VP (incomplete) patches

>From: Isaku Yamahata [mailto:yamahata@xxxxxxxxxxxxx]
>Sent: 2006年3月16日 10:43
>
>I haven't cleaned up grant table api yet.
>I'm sure some clean up is necessary. This is the reason why XXX is
>there.
>I'll work on it after getting vnif to work.

OK.

>
>
>> BTW, what's the intent of alloc_vm_area? Seems no one calls it. Also a
>> typo there:
>> struct vm_struct* area;
>> ...
>> area = kmalloc(sizeof(area), GFP_KERNEL); which only gives you 8
>> bytes. :-)
>
>Oops thanks.
>alloc_vm_area() is called by blkback, blktap, netback, tpmback, xenbus
>to allocate virtual address area of xen I/O ring.
>Allocating virtual address area which doesn't have corresponding
>pseudo physical page is xen/x86-ism.
>Some clean up is also needed.

You're right. I only looked context of your patch sets.

Thanks,
Kevin

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RE: [Xen-ia64-devel] [PATCH] [RFC] [TAKE2] P2M/VP (incomplete) patches