linux-kernel - Re: iwlwifi: Regression after migrating to 6.6.32

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Message-ID: <CAOMZO5D2Atb=rnvmNLvu8nrsn+3L9X9NbG1bkZx_MenCCmJK2Q@mail.gmail.com>
Date: Mon, 17 Jun 2024 11:08:07 -0300
From: Fabio Estevam <festevam@...il.com>
To: Will Deacon <will@...nel.org>
Cc: Johannes Berg <johannes@...solutions.net>, Baochen Qiang <quic_bqiang@...cinc.com>, 
	miriam.rachel.korenblit@...el.com, kvalo@...nel.org, 
	Jakub Kicinski <kuba@...nel.org>, linux-wireless <linux-wireless@...r.kernel.org>, 
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: iwlwifi: Regression after migrating to 6.6.32

Hi Will,

On Mon, Jun 17, 2024 at 9:08 AM Will Deacon <will@...nel.org> wrote:

> If you want to backport that change, then I think you should probably
> take the whole series:
>
> https://lore.kernel.org/all/20240308152829.25754-1-will@kernel.org/
>
> (and there were some follow-ups from Michael iirc; you're best off
> checking the git history for kernel/dma/swiotlb.c).
>
> FWIW: we have this series backported to 6.6 in the android15-6.6 tree.

Thanks for the suggestion.

>From this series, only the two patches below are not present in the
6.6 stable tree:

swiotlb: Enforce page alignment in swiotlb_alloc()
swiotlb: Reinstate page-alignment for mappings >= PAGE_SIZE

I will submit these two to stable and also an additional one:

swiotlb: extend buffer pre-padding to alloc_align_mask if necessary

Thanks,

Fabio Estevam