From: "Chen, Tiejun" <tiejun.chen@intel.com>
To: "Tian, Kevin" <kevin.tian@intel.com>, Jan Beulich <JBeulich@suse.com>
Cc: "Zhang, Yang Z" <yang.z.zhang@intel.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
"ian.jackson@eu.citrix.com" <ian.jackson@eu.citrix.com>,
"ian.campbell@citrix.com" <ian.campbell@citrix.com>,
"stefano.stabellini@eu.citrix.com"
<stefano.stabellini@eu.citrix.com>
Subject: Re: [RFC][PATCH 2/5] xen:x86: introduce a new hypercall to get RMRR mappings
Date: Thu, 14 Aug 2014 09:07:49 +0800 [thread overview]
Message-ID: <53EC0BE5.80102@intel.com> (raw)
In-Reply-To: <AADFC41AFE54684AB9EE6CBC0274A5D1260367C2@SHSMSX101.ccr.corp.intel.com>
On 2014/8/14 2:21, Tian, Kevin wrote:
>> From: Chen, Tiejun
>> Sent: Tuesday, August 12, 2014 5:40 PM
>>
>> On 2014/8/12 20:19, Jan Beulich wrote:
>>>>>> On 12.08.14 at 12:55, <tiejun.chen@intel.com> wrote:
>>>> On 2014/8/8 23:45, Jan Beulich wrote:
>>>>>>>> On 07.08.14 at 13:02, <tiejun.chen@intel.com> wrote:
>>>>>> +/*
>>>>>> + * Returns the RMRR memory map as it was when the domain
>>>>>> + * was started.
>>>>>> + */
>>>>>> +#define XENMEM_RMRR_memory_map 26
>>>>>> +typedef struct e820map rmrr_e820_t;
>>>>>> +DEFINE_XEN_GUEST_HANDLE(rmrr_e820_t);
>>>>>
>>>>> Again just as a general remark: What in the world does the "e820"
>>>>> in here mean?
>>>>
>>>> I will redefine a struct to represent this to avoid any confusion.
>>>
>>> And just to avoid another needless round: The term RMRR shouldn't
>>> be in the hypercall public interface definitions either. This needs to
>>> be properly abstracted.
>>>
>>
>> Without such a term RMRR I can't figure out what definition should be
>> better as you expect, I guess you already have a better case so please
>> share it to avoid further discussion.
>>
>
> XENMEM_reserved_memory_map
>
Okay, but I prefer to XENMEM_DEVICE_reserved_memory_map or
XENMEM_PLATFORM_reserved_memory_map since RMRR seems to be dedicated to
device or platform, right?
Anyway, I'm fine as well once Jan have no any objection to this.
Thanks
Tiejun
next prev parent reply other threads:[~2014-08-14 1:07 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-07 11:02 [RFC][PATCH 0/5] xen: reserve RMRR to avoid conflicting MMIO/RAM Tiejun Chen
2014-08-07 11:02 ` [RFC][PATCH 1/5] xen:x86: record RMRR mappings Tiejun Chen
2014-08-08 15:36 ` Jan Beulich
2014-08-11 3:04 ` Chen, Tiejun
2014-08-11 6:51 ` Jan Beulich
2014-08-11 7:00 ` Chen, Tiejun
2014-08-11 8:42 ` Jan Beulich
2014-08-07 11:02 ` [RFC][PATCH 2/5] xen:x86: introduce a new hypercall to get " Tiejun Chen
2014-08-08 15:45 ` Jan Beulich
2014-08-12 10:55 ` Chen, Tiejun
2014-08-12 12:19 ` Jan Beulich
2014-08-13 0:40 ` Chen, Tiejun
2014-08-13 18:21 ` Tian, Kevin
2014-08-14 1:07 ` Chen, Tiejun [this message]
2014-08-14 16:51 ` Jan Beulich
2014-08-15 6:13 ` Chen, Tiejun
2014-08-07 11:02 ` [RFC][PATCH 3/5] tools:libxc: remove mmio BAR out of " Tiejun Chen
2014-08-08 15:49 ` Jan Beulich
2014-08-08 21:33 ` Tian, Kevin
2014-08-12 10:56 ` Chen, Tiejun
2014-08-12 12:21 ` Jan Beulich
2014-08-12 10:55 ` Chen, Tiejun
2014-08-07 11:02 ` [RFC][PATCH 4/5] tools:firmware:hvmloader: reserve RMRR mappings in e820 Tiejun Chen
2014-08-07 12:03 ` Andrew Cooper
2014-08-08 2:11 ` Chen, Tiejun
2014-08-08 6:42 ` Jan Beulich
2014-08-08 7:30 ` Chen, Tiejun
2014-08-08 7:43 ` Jan Beulich
2014-08-08 8:39 ` Chen, Tiejun
2014-08-08 9:01 ` Jan Beulich
2014-08-08 9:28 ` Chen, Tiejun
2014-08-08 15:53 ` Jan Beulich
2014-08-08 15:58 ` Andrew Cooper
2014-08-11 6:48 ` Jan Beulich
2014-08-12 7:59 ` Chen, Tiejun
2014-08-08 21:47 ` Tian, Kevin
2014-08-11 6:53 ` Jan Beulich
2014-08-11 16:00 ` Tian, Kevin
2014-08-12 10:59 ` Chen, Tiejun
2014-08-12 12:25 ` Jan Beulich
2014-08-13 0:57 ` Chen, Tiejun
2014-08-13 19:10 ` Tian, Kevin
2014-08-14 3:03 ` Chen, Tiejun
2014-08-14 23:11 ` Tian, Kevin
2014-08-15 8:21 ` Chen, Tiejun
2014-08-12 10:56 ` Chen, Tiejun
2014-08-12 12:22 ` Jan Beulich
2014-08-12 10:56 ` Chen, Tiejun
2014-08-07 11:02 ` [RFC][PATCH 5/5] xen:vtd: make USB RMRR mapping safe Tiejun Chen
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