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 v2 2/9] xen: arm: Implement variable levels in dump_pt_walk
Date: Mon, 08 Sep 2014 15:12:52 -0700 [thread overview]
Message-ID: <540E29E4.9020900@linaro.org> (raw)
In-Reply-To: <540E1E7C.6030604@linaro.org>
On 08/09/14 14:24, Julien Grall wrote:
> Hi Ian,
>
> On 04/09/14 09:14, Ian Campbell wrote:
>> -void dump_pt_walk(lpae_t *first, paddr_t addr)
>> +void dump_pt_walk(lpae_t *root, paddr_t addr,
>> + unsigned int root_level)
>> {
>> - lpae_t *second = NULL, *third = NULL;
>> + static const char *level_strs[4] = { "0TH", "1ST", "2ND", "3RD" };
>> + const unsigned int offsets[4] = {
>> + zeroeth_table_offset(addr),
>> + first_table_offset(addr),
>> + second_table_offset(addr),
>> + third_table_offset(addr)
>> + };
>> + lpae_t pte, *mappings[4] = { 0, };
>
> Xen never maps the next level when level == 3, shoudn't mappings[3] enough?
After thinking, mappings[4] is fine here. Sorry for the noise.
Regards,
--
Julien Grall
next prev parent reply other threads:[~2014-09-08 22:12 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-04 16:13 [PATCH v2 0/9] xen: arm: support for > 40-bit physical addressing Ian Campbell
2014-09-04 16:14 ` [PATCH v2 1/9] xen: arm: rename p2m->first_level to p2m->root Ian Campbell
2014-09-04 16:14 ` [PATCH v2 2/9] xen: arm: Implement variable levels in dump_pt_walk Ian Campbell
2014-09-08 21:24 ` Julien Grall
2014-09-08 22:12 ` Julien Grall [this message]
2014-09-09 15:04 ` Ian Campbell
2014-09-09 15:08 ` Ian Campbell
2014-09-09 16:04 ` Andrew Cooper
2014-09-08 21:33 ` Julien Grall
2014-09-04 16:14 ` [PATCH v2 3/9] xen: arm: handle concatenated root tables " Ian Campbell
2014-09-08 21:43 ` Julien Grall
2014-09-04 16:14 ` [PATCH v2 4/9] xen: arm: move setup_virt_paging to p2m.[ch] from mm.[ch] Ian Campbell
2014-09-04 16:14 ` [PATCH v2 5/9] xen: arm: Defer setting of VTCR_EL2 until after CPUs are up Ian Campbell
2014-09-08 21:46 ` Julien Grall
2014-09-04 16:14 ` [PATCH v2 6/9] xen: arm: handle variable p2m levels in p2m_lookup Ian Campbell
2014-09-08 22:05 ` Julien Grall
2014-09-04 16:14 ` [PATCH v2 7/9] xen: arm: handle variable p2m levels in apply_p2m_changes Ian Campbell
2014-09-05 23:32 ` Arianna Avanzini
2014-09-08 8:59 ` Ian Campbell
2014-09-08 22:22 ` Julien Grall
2014-09-04 16:14 ` [PATCH v2 8/9] xen: arm: support for up to 48-bit physical addressing on arm64 Ian Campbell
2014-09-08 23:28 ` Julien Grall
2014-09-04 16:14 ` [PATCH v2 9/9] xen: arm: support for up to 48-bit IPA " Ian Campbell
2014-09-08 23:42 ` Julien Grall
2014-09-08 21:05 ` [PATCH v2 1/9] xen: arm: rename p2m->first_level to p2m->root Julien Grall
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