Christophe Leroy writes:
> Le 25/01/2024 à 17:33, Nathan Lynch a écrit :
>> Christophe Leroy writes:
>>> Hi Nathan,
>>>
>>> Le 06/03/2023 à 22:33, Nathan Lynch via B4 Relay a écrit :
From: Nathan Lynch
The kernel can handle retrying RTAS function calls in response to
-2/990x
Le 25/01/2024 à 17:33, Nathan Lynch a écrit :
> Christophe Leroy writes:
>> Hi Nathan,
>>
>> Le 06/03/2023 à 22:33, Nathan Lynch via B4 Relay a écrit :
>>> From: Nathan Lynch
>>>
>>> The kernel can handle retrying RTAS function calls in response to
>>> -2/990x in the sys_rtas() handler instead
Christophe Leroy writes:
> Hi Nathan,
>
> Le 06/03/2023 à 22:33, Nathan Lynch via B4 Relay a écrit :
>> From: Nathan Lynch
>>
>> The kernel can handle retrying RTAS function calls in response to
>> -2/990x in the sys_rtas() handler instead of relaying the intermediate
>> status to user space.
>
Hi Nathan,
Le 06/03/2023 à 22:33, Nathan Lynch via B4 Relay a écrit :
> From: Nathan Lynch
>
> The kernel can handle retrying RTAS function calls in response to
> -2/990x in the sys_rtas() handler instead of relaying the intermediate
> status to user space.
From this series with still have pat
Andrew Donnellan writes:
> On Mon, 2023-03-06 at 15:33 -0600, Nathan Lynch via B4 Relay wrote:
>> * We can expect performance improvements for existing sys_rtas()
>> users, not only because of overall reduction in the number of
>> system
>> calls issued, but also due to the better handling of
Michael Ellerman writes:
> Nathan Lynch via B4 Relay writes:
>> From: Nathan Lynch
>>
>> The kernel can handle retrying RTAS function calls in response to
>> -2/990x in the sys_rtas() handler instead of relaying the intermediate
>> status to user space.
>
> This looks good in general.
>
> One qu
Nathan Lynch via B4 Relay writes:
> From: Nathan Lynch
>
> The kernel can handle retrying RTAS function calls in response to
> -2/990x in the sys_rtas() handler instead of relaying the intermediate
> status to user space.
This looks good in general.
One query ...
> diff --git a/arch/powerpc/ke
On Mon, 2023-03-06 at 15:33 -0600, Nathan Lynch via B4 Relay wrote:
> From: Nathan Lynch
>
> The kernel can handle retrying RTAS function calls in response to
> -2/990x in the sys_rtas() handler instead of relaying the
> intermediate
> status to user space.
>
> Justifications:
>
> * Currently i
From: Nathan Lynch
The kernel can handle retrying RTAS function calls in response to
-2/990x in the sys_rtas() handler instead of relaying the intermediate
status to user space.
Justifications:
* Currently it's nondeterministic and quite variable in practice
whether a retry status is returned