Re: [PATCH] arm64/mm: Drop redundant BUG_ON(!pgtable_alloc)

From: Will Deacon
Date: Mon Nov 21 2022 - 13:03:35 EST


On Mon, Nov 21, 2022 at 09:17:18PM +0530, Naresh Kamboju wrote:
> LKFT detected arm64 boot regression on today's Linux next-20221121 tag.
> The Kernel boot log did not show anything on the serial console.
>
> Anders bisected this problem and found the subject commit is the
> first bad commit.
>
> # first bad commit: [9ed2b4616d4e846ece2a04cb5007ce1d1bd9e3f3]
> arm64/mm: Drop redundant BUG_ON(!pgtable_alloc)
>
> Later it was found this lore link which was already reported [1].
>
> ref:
> [1] https://lore.kernel.org/all/Y3pS5fdZ3MdLZ00t@dev-arch.thelio-3990X/

Yup, I've queued a revert locally and will push it out this evening.

Cheers,

Will