All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Chen, Tiejun" <tiejun.chen@intel.com>
To: Ian Campbell <ian.campbell@citrix.com>
Cc: kevin.tian@intel.com, stefano.stabellini@eu.citrix.com,
	ian.jackson@eu.citrix.com, xen-devel@lists.xen.org,
	JBeulich@suse.com, yang.z.zhang@intel.com
Subject: Re: [v4][PATCH 5/9] hvm_info_table: introduce nr_reserved_device_memory_map
Date: Wed, 27 Aug 2014 09:57:59 +0800	[thread overview]
Message-ID: <53FD3B27.9060304@intel.com> (raw)
In-Reply-To: <53FD3A56.5020205@intel.com>

On 2014/8/27 9:54, Chen, Tiejun wrote:
> On 2014/8/27 4:38, Ian Campbell wrote:
>> On Fri, 2014-08-22 at 18:09 +0800, Tiejun Chen wrote:
>>> libxc can expose how many reserved device memory entries
>>> hvmloader should get.
>>
>> "get" in what sense?
>>
>>>   And '0' means that doesn't exist so
>>> we can skip this check.
>>
>> Which check?
>>
>> The code is trivial enough that I guess it is correct, and I don't
>> expect a full explanation here (since I assume that comes in some future
>> patch) but an accurate/meaningful quick indication would be useful here.
>>
>
> Okay, I think I should describe this case explicitly as follows:
>
>      hvm_info_table: introduce nr_reserved_device_memory_map
>
>      libxc can expose how many reserved device memory entries to
>      notify hvmloader. Then hvmloader would check if those reserved
>      memory overlap current memory range in e820.
>
>      Note if nr_reserved_device_memory_map is '0', this means we have
>      any reserved device memory so we can skip that check.

	s/any/no any

Thanks
Tiejun

>
>      Signed-off-by: Tiejun Chen <tiejun.chen@intel.com>
>
> Thanks
> Tiejun
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
>
>

  reply	other threads:[~2014-08-27  1:57 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-22 10:09 [v4][PATCH 0/9] xen: reserve RMRR to avoid conflicting MMIO/RAM Tiejun Chen
2014-08-22 10:09 ` [v4][PATCH 1/9] xen:vtd:rmrr: export acpi_rmrr_units Tiejun Chen
2014-08-22 10:09 ` [v4][PATCH 2/9] xen:x86: define a new hypercall to get RMRR mappings Tiejun Chen
2014-08-22 10:53   ` Andrew Cooper
2014-08-22 11:36     ` Jan Beulich
2014-08-25 11:03       ` Chen, Tiejun
2014-08-25 11:21     ` Chen, Tiejun
2014-08-25 12:07       ` Andrew Cooper
2014-08-26  3:12         ` Chen, Tiejun
2014-08-26  9:25           ` Andrew Cooper
2014-08-22 10:09 ` [v4][PATCH 3/9] tools:libxc: introduce hypercall for xc_reserved_device_memory_map Tiejun Chen
2014-08-22 10:55   ` Andrew Cooper
2014-08-25 11:11     ` Chen, Tiejun
2014-08-25 11:58       ` Andrew Cooper
2014-08-22 10:09 ` [v4][PATCH 4/9] tools:libxc: check if mmio BAR is out of RMRR mappings Tiejun Chen
2014-08-26 20:36   ` Ian Campbell
2014-08-27  1:46     ` Chen, Tiejun
2014-08-27  2:20       ` Ian Campbell
2014-08-27  2:40         ` Chen, Tiejun
2014-08-27  2:47           ` Chen, Tiejun
2014-08-22 10:09 ` [v4][PATCH 5/9] hvm_info_table: introduce nr_reserved_device_memory_map Tiejun Chen
2014-08-26 20:38   ` Ian Campbell
2014-08-27  1:54     ` Chen, Tiejun
2014-08-27  1:57       ` Chen, Tiejun [this message]
2014-08-27  2:21       ` Ian Campbell
2014-08-27  2:28         ` Chen, Tiejun
2014-08-22 10:09 ` [v4][PATCH 6/9] xen:x86:: support xc_reserved_device_memory_map in compat case Tiejun Chen
2014-08-22 10:09 ` [v4][PATCH 7/9] tools:firmware:hvmloader: introduce hypercall for xc_reserved_device_memory_map Tiejun Chen
2014-08-22 10:09 ` [v4][PATCH 8/9] tools:firmware:hvmloader: check to reserve RMRR mappings in e820 Tiejun Chen
2014-08-22 10:09 ` [v4][PATCH 9/9] xen:vtd: make USB RMRR mapping safe Tiejun Chen

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=53FD3B27.9060304@intel.com \
    --to=tiejun.chen@intel.com \
    --cc=JBeulich@suse.com \
    --cc=ian.campbell@citrix.com \
    --cc=ian.jackson@eu.citrix.com \
    --cc=kevin.tian@intel.com \
    --cc=stefano.stabellini@eu.citrix.com \
    --cc=xen-devel@lists.xen.org \
    --cc=yang.z.zhang@intel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.