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[Xen-devel] do_mmu_update

from [Furquan Shaikh] [Permanent Link][Original]

To:	xen-devel@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-devel] do_mmu_update
From:	"Furquan Shaikh" <furquan.m.shaikh@xxxxxxxxx>
Date:	2009年1月13日 14:50:41 +0530
Delivery-date:	2009年1月13日 01:21:08 -0800
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Hello friends,
Can anyone please tell me what the not_a_pt: label in do_mmu_update used for?

default:
not_a_pt:
{
if ( unlikely(!get_page_type(page, PGT_writable_page)) )
break;

perfc_incr(writable_mmu_updates);
okay = paging_write_guest_entry(v, va, req.val, _mfn(mfn));

put_page_type(page);
}
break;

Regards,
Furquan

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