From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Wei Liu <wei.liu2@citrix.com>, Shannon Zhao <zhaoshenglong@huawei.com>
Cc: sstabellini@kernel.org, ian.jackson@eu.citrix.com,
peter.huangpeng@huawei.com, xen-devel@lists.xen.org,
julien.grall@arm.com, shannon.zhao@linaro.org
Subject: Re: [PATCH RESEND 00/14] Xen ARM DomU ACPI support
Date: Mon, 6 Jun 2016 12:50:49 -0400 [thread overview]
Message-ID: <5755A9E9.4080803@oracle.com> (raw)
In-Reply-To: <575598C6.4010104@oracle.com>
On 06/06/2016 11:37 AM, Boris Ostrovsky wrote:
> On 06/06/2016 08:26 AM, Wei Liu wrote:
>> On Tue, May 31, 2016 at 01:02:52PM +0800, Shannon Zhao wrote:
>>> From: Shannon Zhao <shannon.zhao@linaro.org>
>>>
>>> The design of this feature is described as below.
>>> Firstly, the toolstack (libxl) generates the ACPI tables according the
>>> number of vcpus and gic controller.
>>>
>>> Then, it copies these ACPI tables to DomU memory space and passes
>>> them to UEFI firmware through the "ARM multiboot" protocol.
>>>
>>> At last, UEFI gets the ACPI tables through the "ARM multiboot" protocol
>>> and installs these tables like the usual way and passes both ACPI and DT
>>> information to the Xen DomU.
>>>
>>> Currently libxl only generates RSDP, XSDT, GTDT, MADT, FADT, DSDT tables
>>> since it's enough now.
>>>
>>> This has been tested using guest kernel with the Dom0 ACPI support
>>> patches which could be fetched from:
>>> https://git.kernel.org/cgit/linux/kernel/git/mfleming/efi.git/log/?h=efi/arm-xen
>>>
>>> Shannon Zhao (14):
>>> libxl/arm: Fix the function name in error log
>>> libxl/arm: Factor out codes for generating DTB
>>> libxc: Add placeholders for ACPI tables blob and size
>>> tools: add ACPI tables relevant definitions
>>> libxl/arm: Construct ACPI GTDT table
>>> libxl/arm: Construct ACPI FADT table
>>> libxl/arm: Construct ACPI DSDT table
>>> libxl/arm: Construct ACPI MADT table
>>> libxl/arm: Construct ACPI XSDT table
>>> libxl/arm: Construct ACPI RSDP table
>>> libxl/arm: Initialize domain param HVM_PARAM_CALLBACK_IRQ
>>> libxl/arm: Add ACPI module
>>> libxl/arm: initialize memory information of ACPI blob
>>> libxc/xc_dom_core: Copy ACPI tables to guest memory space
>>>
>> After going through this series, I think the code mostly looks good.
>>
>> There is one higher level question: you seem to have put a lot of the
>> table construction code in libxl, while I failed to see why specific
>> libxl information is needed. Have you considered moving the code to
>> libxc?
>>
>> What I don't want to see is that x86 builds its ACPI table in libxc
>> while ARM builds its in libxl. That would make future merger harder.
>>
>> Boris?
> TBH, I am not sure which library this should really belong to. I felt
> libxc would be more appropriate.
Actually, I now remember why I picked libxc: because I wanted ACPI pages
to be loaded as part of xc_dom_build_image().
-boris
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2016-06-06 16:50 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-31 5:02 [PATCH RESEND 00/14] Xen ARM DomU ACPI support Shannon Zhao
2016-05-31 5:02 ` [PATCH RESEND 01/14] libxl/arm: Fix the function name in error log Shannon Zhao
2016-06-03 19:25 ` Wei Liu
2016-06-17 10:46 ` Wei Liu
2016-06-20 1:12 ` Shannon Zhao
2016-05-31 5:02 ` [PATCH RESEND 02/14] libxl/arm: Factor out codes for generating DTB Shannon Zhao
2016-06-03 19:25 ` Wei Liu
2016-05-31 5:02 ` [PATCH RESEND 03/14] libxc: Add placeholders for ACPI tables blob and size Shannon Zhao
2016-06-06 10:00 ` Stefano Stabellini
2016-06-06 12:16 ` Wei Liu
2016-06-06 14:20 ` Shannon Zhao
2016-06-07 11:05 ` Julien Grall
2016-06-07 11:13 ` Shannon Zhao
2016-06-07 11:27 ` Julien Grall
2016-06-07 11:35 ` Shannon Zhao
2016-06-07 11:42 ` Julien Grall
2016-06-07 11:59 ` Shannon Zhao
2016-06-07 12:06 ` Julien Grall
2016-06-07 12:32 ` Shannon Zhao
2016-06-07 13:06 ` Julien Grall
2016-06-16 6:53 ` Shannon Zhao
2016-06-16 10:21 ` Julien Grall
2016-06-16 10:45 ` Shannon Zhao
2016-06-16 11:04 ` Julien Grall
2016-06-16 10:49 ` Wei Liu
2016-06-16 10:53 ` Shannon Zhao
2016-06-16 11:04 ` Wei Liu
2016-06-07 12:02 ` Julien Grall
2016-06-07 12:27 ` Shannon Zhao
2016-05-31 5:02 ` [PATCH RESEND 04/14] tools: add ACPI tables relevant definitions Shannon Zhao
2016-06-06 10:04 ` Stefano Stabellini
2016-06-06 10:11 ` Julien Grall
2016-06-06 10:27 ` Shannon Zhao
2016-06-06 12:16 ` Wei Liu
2016-06-06 14:19 ` Shannon Zhao
2016-06-22 3:24 ` Shannon Zhao
2016-06-22 8:35 ` Julien Grall
2016-06-22 8:50 ` Shannon Zhao
2016-06-22 8:55 ` Julien Grall
2016-06-22 9:38 ` [PATCH RESEND 04/14] tools: add ACPI tables relevant definitions (and more) Wei Liu
2016-06-22 10:06 ` Shannon Zhao
2016-05-31 5:02 ` [PATCH RESEND 05/14] libxl/arm: Construct ACPI GTDT table Shannon Zhao
2016-06-06 11:40 ` Stefano Stabellini
2016-06-06 11:52 ` Julien Grall
2016-06-06 12:04 ` Stefano Stabellini
2016-06-06 14:31 ` Shannon Zhao
2016-06-06 14:50 ` Stefano Stabellini
2016-06-06 15:42 ` Julien Grall
2016-06-07 9:41 ` Stefano Stabellini
2016-06-06 15:35 ` Julien Grall
2016-06-07 9:48 ` Stefano Stabellini
2016-06-07 11:55 ` Wei Liu
2016-06-17 3:29 ` Shannon Zhao
2016-06-17 8:17 ` Julien Grall
2016-06-17 9:15 ` Stefano Stabellini
2016-06-17 13:27 ` Julien Grall
2016-06-06 12:18 ` Wei Liu
2016-06-07 11:02 ` Julien Grall
2016-06-07 11:19 ` Julien Grall
2016-06-07 11:30 ` Shannon Zhao
2016-06-07 11:36 ` Julien Grall
2016-06-07 11:39 ` Shannon Zhao
2016-06-07 11:43 ` Julien Grall
2016-05-31 5:02 ` [PATCH RESEND 06/14] libxl/arm: Construct ACPI FADT table Shannon Zhao
2016-06-07 13:17 ` Julien Grall
2016-06-07 14:13 ` Shannon Zhao
2016-06-07 14:14 ` Julien Grall
2016-05-31 5:02 ` [PATCH RESEND 07/14] libxl/arm: Construct ACPI DSDT table Shannon Zhao
2016-06-07 13:42 ` Julien Grall
2016-06-16 6:25 ` Shannon Zhao
2016-06-16 9:44 ` Julien Grall
2016-06-16 10:01 ` Stefano Stabellini
2016-05-31 5:03 ` [PATCH RESEND 08/14] libxl/arm: Construct ACPI MADT table Shannon Zhao
2016-06-07 13:40 ` Julien Grall
2016-05-31 5:03 ` [PATCH RESEND 09/14] libxl/arm: Construct ACPI XSDT table Shannon Zhao
2016-05-31 5:03 ` [PATCH RESEND 10/14] libxl/arm: Construct ACPI RSDP table Shannon Zhao
2016-05-31 5:03 ` [PATCH RESEND 11/14] libxl/arm: Initialize domain param HVM_PARAM_CALLBACK_IRQ Shannon Zhao
2016-05-31 5:03 ` [PATCH RESEND 12/14] libxl/arm: Add ACPI module Shannon Zhao
2016-06-07 13:47 ` Julien Grall
2016-05-31 5:03 ` [PATCH RESEND 13/14] libxl/arm: initialize memory information of ACPI blob Shannon Zhao
2016-06-06 11:40 ` Stefano Stabellini
2016-06-06 14:35 ` Shannon Zhao
2016-05-31 5:03 ` [PATCH RESEND 14/14] libxc/xc_dom_core: Copy ACPI tables to guest memory space Shannon Zhao
2016-05-31 10:47 ` [PATCH RESEND 00/14] Xen ARM DomU ACPI support Julien Grall
2016-05-31 14:19 ` Shannon Zhao
2016-06-03 19:24 ` Wei Liu
2016-06-03 20:02 ` Konrad Rzeszutek Wilk
2016-06-03 20:20 ` Boris Ostrovsky
2016-06-03 20:27 ` Wei Liu
2016-06-03 20:36 ` Boris Ostrovsky
2016-06-06 11:41 ` Stefano Stabellini
2016-06-06 12:26 ` Wei Liu
2016-06-06 15:37 ` Boris Ostrovsky
2016-06-06 16:50 ` Boris Ostrovsky [this message]
2016-06-07 10:54 ` Julien Grall
2016-06-07 14:24 ` Boris Ostrovsky
2016-06-06 15:48 ` Julien Grall
2016-06-07 1:07 ` Shannon Zhao
2016-06-07 11:00 ` Julien Grall
2016-06-16 11:20 ` Wei Liu
2016-06-16 13:25 ` Boris Ostrovsky
2016-06-17 10:14 ` Wei Liu
2016-06-17 2:03 ` Shannon Zhao
2016-06-17 8:18 ` Julien Grall
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5755A9E9.4080803@oracle.com \
--to=boris.ostrovsky@oracle.com \
--cc=ian.jackson@eu.citrix.com \
--cc=julien.grall@arm.com \
--cc=peter.huangpeng@huawei.com \
--cc=shannon.zhao@linaro.org \
--cc=sstabellini@kernel.org \
--cc=wei.liu2@citrix.com \
--cc=xen-devel@lists.xen.org \
--cc=zhaoshenglong@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).