Re: [syzbot] [kernel?] linux-next test error: WARNING: locking bug in change_page_attr_set_clr

From: Lorenzo Stoakes (ARM)

Date: Tue Jul 21 2026 - 11:52:18 EST


On Tue, Jul 21, 2026 at 08:05:47AM -0700, Borislav Petkov wrote:
> On Tue, Jul 21, 2026 at 03:03:41PM +0100, Lorenzo Stoakes (ARM) wrote:
> > You mean the series that changes core mm and has strict dependencies on core mm
> > changes and solves issues elsewhere than x86 CPA, that one should have gone
> > through the x86 tree?
>
> We do immutable branches for things like that. For example.

Coming soon to mm :)

>
> Bottom line is, there needs to be synchronization across trees when they touch
> the same file.

Yeah completely agreed as discussed off list :) comms is key.

>
> --
> Regards/Gruss,
> Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette

Cheers, Lorenzo