From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <ian.campbell@citrix.com>, xen-devel@lists.xen.org
Cc: tim@xen.org, vijay.kilari@gmail.com, stefano.stabellini@eu.citrix.com
Subject: Re: [PATCH v3 for-4.5 2/9] xen: arm: Implement variable levels in dump_pt_walk
Date: Mon, 22 Sep 2014 15:33:51 +0100 [thread overview]
Message-ID: <5420334F.2020703@linaro.org> (raw)
In-Reply-To: <1410998995-27449-2-git-send-email-ian.campbell@citrix.com>
Hi Ian,
On 09/18/2014 01:09 AM, Ian Campbell wrote:
> This allows us to correctly dump 64-bit hypervisor addresses, which use a 4
> level table.
>
> It also paves the way for boot-time selection of the number of levels to use in
> the p2m, which is required to support both 40-bit and 48-bit systems.
>
> To support multiple levels it is convenient to recast the page table walk as a
> loop over the levels instead of the current open coding.
>
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Julien Grall <julien.grall@linaro.org>
Regards,
--
Julien Grall
next prev parent reply other threads:[~2014-09-22 14:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-18 0:09 [PATCH v3 for-4.5 0/9] xen: arm: support for > 40-bit physical addressing Ian Campbell
2014-09-18 0:09 ` [PATCH v3 for-4.5 1/9] xen: arm: rename p2m->first_level to p2m->root Ian Campbell
2014-09-18 0:09 ` [PATCH v3 for-4.5 2/9] xen: arm: Implement variable levels in dump_pt_walk Ian Campbell
2014-09-22 14:33 ` Julien Grall [this message]
2014-09-18 0:09 ` [PATCH v3 for-4.5 3/9] xen: arm: handle concatenated root tables " Ian Campbell
2014-09-18 0:09 ` [PATCH v3 for-4.5 4/9] xen: arm: move setup_virt_paging to p2m.[ch] from mm.[ch] Ian Campbell
2014-09-18 0:09 ` [PATCH v3 for-4.5 5/9] xen: arm: Defer setting of VTCR_EL2 until after CPUs are up Ian Campbell
2014-09-18 0:09 ` [PATCH v3 for-4.5 6/9] xen: arm: handle variable p2m levels in p2m_lookup Ian Campbell
2014-09-18 0:09 ` [PATCH v3 for-4.5 7/9] xen: arm: handle variable p2m levels in apply_p2m_changes Ian Campbell
2014-09-18 0:09 ` [PATCH v3 for-4.5 8/9] xen: arm: support for up to 48-bit physical addressing on arm64 Ian Campbell
2014-09-18 0:09 ` [PATCH v3 for-4.5 9/9] xen: arm: support for up to 48-bit IPA " Ian Campbell
2014-09-19 14:46 ` [PATCH v3 for-4.5 0/9] xen: arm: support for > 40-bit physical addressing Vijay Kilari
2014-09-22 8:51 ` Ian Campbell
2014-09-22 13:25 ` Vijay Kilari
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