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From: Juergen Gross <jgross@suse.com>
To: Wei Liu <wei.liu2@citrix.com>
Cc: roger.pau@citrix.com, stefano.stabellini@eu.citrix.com,
	ian.jackson@eu.citrix.com, Ian.Campbell@citrix.com,
	xen-devel@lists.xen.org
Subject: Re: [PATCH v4 8/9] libxc: rework of domain builder's page table handler
Date: Thu, 12 Nov 2015 13:45:20 +0100	[thread overview]
Message-ID: <564489E0.1090201@suse.com> (raw)
In-Reply-To: <20151112123926.GD24281@zion.uk.xensource.com>

On 12/11/15 13:39, Wei Liu wrote:
> On Thu, Nov 05, 2015 at 03:36:34PM +0100, Juergen Gross wrote:
>> In order to prepare a p2m list outside of the initial kernel mapping
>> do a rework of the domain builder's page table handler. The goal is
>> to be able to use common helpers for page table allocation and setup
>> for initial kernel page tables and page tables mapping the p2m list.
>> This is achieved by supporting multiple mapping areas. The mapped
>> virtual addresses of the single areas must not overlap, while the
>> page tables of a new area added might already be partially present.
>> Especially the top level page table is existing only once, of course.
>>
>> Currently restrict the number of mappings to 1 because the only mapping
>> now is the initial mapping created by toolstack. There should not be
>> behaviour change and guest visible change introduced.
>>
>> Signed-off-by: Juergen Gross <jgross@suse.com>
> 
> Reviewed-by: Wei Liu <wei.liu2@citrix.com>
> 
> Some comments below.

Okay, will fix them all.


Thanks,

Juergen

  reply	other threads:[~2015-11-12 12:45 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-05 14:36 [PATCH v4 0/9] libxc: support building large pv-domains Juergen Gross
2015-11-05 14:36 ` [PATCH v4 1/9] libxc: reorganize domain builder guest memory allocator Juergen Gross
2015-11-12 11:14   ` Wei Liu
2015-11-12 11:20     ` Ian Campbell
2015-11-12 11:22       ` Wei Liu
2015-11-12 11:29       ` Juergen Gross
2015-11-12 11:32         ` Wei Liu
2015-11-12 12:28           ` Juergen Gross
2015-11-12 11:21     ` Juergen Gross
2015-11-12 11:24       ` Wei Liu
2015-11-05 14:36 ` [PATCH v4 2/9] xen: add generic flag to elf_dom_parms indicating support of unmapped initrd Juergen Gross
2015-11-05 17:38   ` Andrew Cooper
2015-11-05 14:36 ` [PATCH v4 3/9] libxc: rename domain builder count_pgtables to alloc_pgtables Juergen Gross
2015-11-05 14:36 ` [PATCH v4 4/9] libxc: introduce domain builder architecture specific data Juergen Gross
2015-11-05 14:36 ` [PATCH v4 5/9] libxc: use domain builder architecture private data for x86 pv domains Juergen Gross
2015-11-05 14:36 ` [PATCH v4 6/9] libxc: create unmapped initrd in domain builder if supported Juergen Gross
2015-11-05 14:36 ` [PATCH v4 7/9] libxc: split p2m allocation in domain builder from other magic pages Juergen Gross
2015-11-05 14:36 ` [PATCH v4 8/9] libxc: rework of domain builder's page table handler Juergen Gross
2015-11-12 12:39   ` Wei Liu
2015-11-12 12:45     ` Juergen Gross [this message]
2015-11-05 14:36 ` [PATCH v4 9/9] libxc: create p2m list outside of kernel mapping if supported Juergen Gross
2015-11-12 12:42   ` Wei Liu
2015-11-12  5:09 ` [PATCH v4 0/9] libxc: support building large pv-domains Juergen Gross
2015-11-12  9:39   ` Wei Liu
2015-11-12  9:41     ` Juergen Gross

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