On Fri, Jul 28, 2023 at 04:19:56PM +0100, Marc Zyngier wrote:
On Fri, 28 Jul 2023 16:01:04 +0100,
Sasha Levin <sashal@xxxxxxxxxx> wrote:
On Fri, Jul 28, 2023 at 03:51:35PM +0100, Marc Zyngier wrote:
> On Fri, 28 Jul 2023 15:43:59 +0100,
> Sasha Levin <sashal@xxxxxxxxxx> wrote:
>>
>> This is a note to let you know that I've just added the patch titled
>>
>> arm64: errata: Mitigate Ampere1 erratum AC03_CPU_38 at stage-2
>>
>> to the 6.1-stable tree which can be found at:
>> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
>>
>> The filename of the patch is:
>> arm64-errata-mitigate-ampere1-erratum-ac03_cpu_38-at.patch
>> and it can be found in the queue-6.1 subdirectory.
>>
>> If you, or anyone else, feels it should not be added to the stable tree,
>> please let <stable@xxxxxxxxxxxxxxx> know about it.
>
> Please drop this. It is broken and in the process of being either
> fixed or reverted. In any case, it is for HW that hardly anyone has
> access to, so backporting it is unlikely to help anyone at this
> precise stage.
Would you have a reference to the revert? It's already in the 6.4
tree...
We haven't reverted it yet. However, there was a potential fix posted
today (20230728000824.3848025-1-oliver.upton@xxxxxxxxx).
Okay, we can wait with 6.1 until the fix is in. However,
In any case, 6.4 is busted. We don't flag these as stable candidates
for a reason...
This patch was explicitly tagged for stable, which is how it found it
way into the 6.4 tree a few days ago and into the 6.1 tree today.
Although the fix for this patch isn't tagged for stable, which is not
good as it could potentially leave 6.1 and 6.4 broken....
Unrelated, the hardware in question has real users and would benefit
from having quirks included upstream.
--
Thanks,
Sasha
