Re: [linux-next-20260610] powerpc/hash: KUAP fault during boot on POWER10
From: Mukesh Kumar Chaurasiya
Date: Sun Jun 14 2026 - 03:43:09 EST
On Fri, Jun 12, 2026 at 01:02:50PM +0530, Sayali Patil wrote:
> Greetings!!!
>
> I am seeing a KUAP fault while booting a hash MMU
> on a POWER10 (pSeries) system with linux-next (7.1.0-rc7-next-20260610) with
> commandline option disable_radix=y.
[...]
>After reverting the following two patches, the fault is no
> longer observed:
> 1. powerpc: Enable GENERIC_ENTRY feature
> https://lore.kernel.org/all/20260427122742.210074-8-mkchauras@xxxxxxxxx/
> 2. powerpc: Remove unused functions
> https://lore.kernel.org/all/20260427122742.210074-9-mkchauras@xxxxxxxxx/
>
> If you happen to fix this, please add below tag.
> Reported-by: Sayali Patil <sayalip@xxxxxxxxxxxxx>
>
>
> Regards,
> Sayali
This is fixed with patch
https://lore.kernel.org/all/20260613123831.1510474-1-mkchauras@xxxxxxxxx/