linux-kernel - Re: [PATCH v5 07/27] iommu/arm-smmu-v3: Move IDR parsing to common functions

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Message-ID: <20251128164816.GC812105@ziepe.ca>
Date: Fri, 28 Nov 2025 12:48:16 -0400
From: Jason Gunthorpe <jgg@...pe.ca>
To: Mostafa Saleh <smostafa@...gle.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kvmarm@...ts.linux.dev, iommu@...ts.linux.dev,
	catalin.marinas@....com, will@...nel.org, maz@...nel.org,
	oliver.upton@...ux.dev, joey.gouly@....com, suzuki.poulose@....com,
	yuzenghui@...wei.com, joro@...tes.org, jean-philippe@...aro.org,
	praan@...gle.com, danielmentz@...gle.com, mark.rutland@....com,
	qperret@...gle.com, tabba@...gle.com
Subject: Re: [PATCH v5 07/27] iommu/arm-smmu-v3: Move IDR parsing to common
 functions

On Mon, Nov 17, 2025 at 06:47:54PM +0000, Mostafa Saleh wrote:
> Move parsing of IDRs to functions so that it can be re-used
> from the hypervisor.
> 
> Signed-off-by: Mostafa Saleh <smostafa@...gle.com>
> ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 112 +++-----------------
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 111 +++++++++++++++++++
>  2 files changed, 126 insertions(+), 97 deletions(-)

I don't see that this slow path stuff needs to be inlined?

+10 to my prior remark to not dump all the huge inlines in the main
header.

Jason