Re: [PATCH v2] Documentation: Fill the gaps about entry/noinstr constraints

[Randy Dunlap]

On 12/6/21 09:53, Paul E. McKenney wrote:
> On Mon, Dec 06, 2021 at 05:36:51PM +0000, Mark Rutland wrote:
>> On Fri, Dec 03, 2021 at 07:48:08PM -0800, Randy Dunlap wrote:
>>> On 12/1/21 12:35, Thomas Gleixner wrote:
>>>> +Aside of that many architectures have to save register state, e.g. debug or
>>>
>>>                                                           state (e.g. debug) or
>>>
>>>> +cause registers before another exception of the same type can happen. A
>>>
>>>    ^^^^^ cannot parse (with or without the change to the previous line)
>>
>> I think the difficulty here is with "cause register"? That' a register which
>> indicates the cause of an exception, e.g.

Oh. I see. Thanks.

>> * MIPS has `cause` (coprocessor 0 register 13)
>> * arm64 / AArch64 has `ESR_ELx` (Exception Syndrome Register, ELx)
>>
>> We could probably clarify this as "exception cause registers" or "exception
>> status registers", if that helps?
> 
> Or to make it word-by-word unambiguous, "exception-cause registers"
> and "exception-status registers".

Any of those works. Or even 'cause' registers.

-- 
~Randy