Patch "arm: add support for TIF_NOTIFY_SIGNAL" has been added to the 5.10-stable tree

[Jens Axboe]

On 1/3/23 9:21?AM, Greg KH wrote:
> On Tue, Jan 03, 2023 at 08:57:57AM -0700, Jens Axboe wrote:
>> On 1/3/23 8:54?AM, Greg KH wrote:
>>> On Tue, Jan 03, 2023 at 10:37:22AM +0000, Russell King (Oracle) wrote:
>>>> Hi Greg,
>>>>
>>>> Probably not a good idea to pick this up just yet - there's been a
>>>> report of a performance regression due to this patch.
>>>
>>> There is?  It's been in the tree since 5.11 which is quite old.  So I
>>> think we can keep it for now and if a fix is found I will be glad to
>>> backport it to 5.10 as well.
>>
>> Just waiting on testing, came in the other day. Here's the thread:
>>
>> https://lore.kernel.org/lkml/7ecb8f3c-2aeb-a905-0d4a-aa768b9649b5@huawei.com/
> 
> Thanks for the link, I'll watch out for that.

This is now upstream as:

commit 191f8453fc99a537ea78b727acea739782378b0d
Author: Jens Axboe <axboe at kernel.dk>
Date:   Wed Jan 4 07:48:37 2023 -0700

    ARM: renumber bits related to _TIF_WORK_MASK

and marked for stable, so it can go to 5.10/5.15-stable.

-- 
Jens Axboe