Re: [patch] x86/realmode: Make stack lock work in trampoline_compat()

From: 'Andrew Cooper'
Date: Sat Jun 10 2023 - 18:51:50 EST


On 10/06/2023 8:50 pm, David Laight wrote:
> From: Andrew Cooper
>> Sent: 09 June 2023 00:58
>>
> ...
>> The important point is the l suffix on btsl, which forces it to be long
>> (32bit) irrespective of the default operand size.
> Does that matter at all?

Yes, or I wouldn't have wasted everyone's time saying otherwise.

I recommend educating yourself with the instruction manual, rather than
presenting a set of statements which are all wrong.

~Andrew