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From: Nicolin Chen <nicolinc@nvidia.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: <will@kernel.org>, <robin.murphy@arm.com>, <joro@8bytes.org>,
	<praan@google.com>, <kevin.tian@intel.com>, <smostafa@google.com>,
	<linux-arm-kernel@lists.infradead.org>, <iommu@lists.linux.dev>,
	<linux-kernel@vger.kernel.org>, <jamien@nvidia.com>
Subject: Re: [PATCH v9 09/12] iommu/arm-smmu-v3-kdump: Implement is_attach_deferred()
Date: Sat, 22 Aug 2026 11:16:35 -0700	[thread overview]
Message-ID: <aonng6MDJ/s/MRuE@nvidia.com> (raw)
In-Reply-To: <178735412602.18212.5709943748630447883.b4-review@b4>

On Fri, Aug 21, 2026 at 08:15:26PM -0300, Jason Gunthorpe wrote:
> > @@ -1276,6 +1292,12 @@ arm_smmu_kdump_adopt_deferred_l2_strtab(struct arm_smmu_device *smmu, u32 sid,
> >  {
> >  	return -EOPNOTSUPP;
> >  }
> > +
> > +static inline bool
> > +arm_smmu_kdump_is_attach_deferred(struct arm_smmu_master *master)
> > +{
> > +	return false;
> > +}
> 
> 
> ?

This is for !CONFIG_CRASH_DUMP case. I think we need it.

Thanks
Nicolin

  reply	other threads:[~2026-08-22 18:16 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-21 19:48 [PATCH v9 00/12] iommu/arm-smmu-v3: Adopt the crashed kernel's stream table for kdump Nicolin Chen
2026-07-21 19:48 ` [PATCH v9 01/12] iommu/arm-smmu-v3: Do not enable EVTQ/PRIQ interrupts in kdump kernel Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-08-22 18:12     ` Nicolin Chen
2026-07-21 19:48 ` [PATCH v9 02/12] iommu/arm-smmu-v3: Skip EVTQ/PRIQ setup " Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-08-22 18:22     ` Nicolin Chen
2026-07-21 19:48 ` [PATCH v9 03/12] iommu/arm-smmu-v3: Add strtab parse helpers to a new arm-smmu-v3-kexec.c Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-07-21 19:48 ` [PATCH v9 04/12] iommu/arm-smmu-v3: Destroy vmid_map ida via devres Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-07-21 19:48 ` [PATCH v9 05/12] iommu/arm-smmu-v3: Add ARM_SMMU_OPT_KDUMP_ADOPT for kdump kernel Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-07-21 19:48 ` [PATCH v9 06/12] iommu/arm-smmu-v3-kexec: Add a CD table parse helper Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-07-21 19:48 ` [PATCH v9 07/12] iommu/arm-smmu-v3-kexec: Add ASID/VMID reservation helpers Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-08-22  2:07     ` Nicolin Chen
2026-08-22 18:51     ` Nicolin Chen
2026-08-22 19:59       ` Jason Gunthorpe
2026-08-22 20:21         ` Nicolin Chen
2026-07-21 19:48 ` [PATCH v9 08/12] iommu/arm-smmu-v3-kdump: Reserve crashed kernel's ASIDs and VMIDs Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-08-22 18:14     ` Nicolin Chen
2026-07-21 19:48 ` [PATCH v9 09/12] iommu/arm-smmu-v3-kdump: Implement is_attach_deferred() Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-08-22 18:16     ` Nicolin Chen [this message]
2026-08-22 20:02       ` Jason Gunthorpe
2026-08-22 20:26         ` Nicolin Chen
2026-07-21 21:38 ` [PATCH v9 10/12] iommu/arm-smmu-v3: Retain CR0_SMMUEN during kdump device reset Nicolin Chen
2026-07-21 21:38 ` [PATCH v9 11/12] iommu/arm-smmu-v3: Skip RMR bypass for kdump adoption Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe
2026-07-21 21:38 ` [PATCH v9 12/12] iommu/arm-smmu-v3: Detect ARM_SMMU_OPT_KDUMP_ADOPT in probe() Nicolin Chen
2026-08-21 23:15   ` Jason Gunthorpe

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