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Re: [PATCH v2 for-4.18?] x86: support data operand independent timing mode
- To: Henry Wang <Henry.Wang@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 12 Sep 2023 08:21:39 +0200
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Demi Marie Obenour <demi@xxxxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 12 Sep 2023 06:21:54 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 12.09.2023 02:48, Henry Wang wrote:
>> On Sep 11, 2023, at 23:01, Jan Beulich <jbeulich@xxxxxxxx> wrote:
>> --- a/docs/misc/xen-command-line.pandoc
>> +++ b/docs/misc/xen-command-line.pandoc
>> @@ -788,6 +788,14 @@ Specify the size of the console debug tr
>> additionally a trace buffer of the specified size is allocated per cpu.
>> The debug trace feature is only enabled in debugging builds of Xen.
>>
>> +### dit (x86)
>> +> `= <boolean>`
>> +
>> +> Default: `CONFIG_DIT_DEFAULT`
>> +
>> +Specify whether Xen and guests should operate in Data Independent Timing
>> +mode.
>> +
>
> Since a new cmdline interface is added, I am wondering would such
> addtion deserves a CHANGELOG entry?
I'm open to opinions, albeit not so much because of the added command line
option.
Jan
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