lkml.org 
[lkml]   [2022]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v10 3/9] KVM: Extend the memslot to support fd-based private memory
From
On 12/8/2022 7:30 PM, Chao Peng wrote:
> On Thu, Dec 08, 2022 at 04:37:03PM +0800, Xiaoyao Li wrote:
>> On 12/2/2022 2:13 PM, Chao Peng wrote:
>>
>> ..
>>
>>> Together with the change, a new config HAVE_KVM_RESTRICTED_MEM is added
>>> and right now it is selected on X86_64 only.
>>>
>>
>> From the patch implementation, I have no idea why HAVE_KVM_RESTRICTED_MEM is
>> needed.
>
> The reason is we want KVM further controls the feature enabling. An
> opt-in CONFIG_RESTRICTEDMEM can cause problem if user sets that for
> unsupported architectures.

HAVE_KVM_RESTRICTED_MEM is not used in this patch. It's better to
introduce it in the patch that actually uses it.

> Here is the original discussion:
> https://lore.kernel.org/all/YkJLFu98hZOvTSrL@google.com/
>
> Thanks,
> Chao

\
 
 \ /
  Last update: 2022-12-13 13:05    [W:0.318 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site