Re: [PATCH v3 9/9] iommu/arm-smmu-v3: Use S2FWB for NESTED domains

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To: Nicolin Chen <nicolinc@xxxxxxxxxx>
Subject: Re: [PATCH v3 9/9] iommu/arm-smmu-v3: Use S2FWB for NESTED domains
From: Jason Gunthorpe <jgg@xxxxxxxxxx>
Date: Fri, 11 Oct 2024 11:00:35 -0300
Cc: acpica-devel@xxxxxxxxxxxxxxx, Hanjun Guo <guohanjun@xxxxxxxxxx>, iommu@xxxxxxxxxxxxxxx, Joerg Roedel <joro@xxxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, kvm@xxxxxxxxxxxxxxx, Len Brown <lenb@xxxxxxxxxx>, linux-acpi@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Lorenzo Pieralisi <lpieralisi@xxxxxxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, Robert Moore <robert.moore@xxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Sudeep Holla <sudeep.holla@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Alex Williamson <alex.williamson@xxxxxxxxxx>, Eric Auger <eric.auger@xxxxxxxxxx>, Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>, Moritz Fischer <mdf@xxxxxxxxxx>, Michael Shavit <mshavit@xxxxxxxxxx>, patches@xxxxxxxxxxxxxxx, "Rafael J. Wysocki" <rafael.j.wysocki@xxxxxxxxx>, Shameerali Kolothum Thodi <shameerali.kolothum.thodi@xxxxxxxxxx>, Mostafa Saleh <smostafa@xxxxxxxxxx>
In-reply-to: <ZwbAbK0HkYHs1cza@Asurada-Nvidia>
References: <0-v3-e2e16cd7467f+2a6a1-smmuv3_nesting_jgg@nvidia.com> <9-v3-e2e16cd7467f+2a6a1-smmuv3_nesting_jgg@nvidia.com> <ZwbAbK0HkYHs1cza@Asurada-Nvidia>

On Wed, Oct 09, 2024 at 10:42:04AM -0700, Nicolin Chen wrote:
> > @@ -265,6 +266,7 @@ static inline u32 arm_smmu_strtab_l2_idx(u32 sid)
> >  #define STRTAB_STE_1_S1CSH		GENMASK_ULL(7, 6)
> >  
> >  #define STRTAB_STE_1_S1STALLD		(1UL << 27)
> > +#define STRTAB_STE_1_S2FWB		(1UL << 25)
> 
> Nit: seems that it should be in ascending order.

Done

Jason

References:
- [PATCH v3 0/9] Initial support for SMMUv3 nested translation
  - From: Jason Gunthorpe
- [PATCH v3 9/9] iommu/arm-smmu-v3: Use S2FWB for NESTED domains
  - From: Jason Gunthorpe
- Re: [PATCH v3 9/9] iommu/arm-smmu-v3: Use S2FWB for NESTED domains
  - From: Nicolin Chen

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