Re: [PATCH v9 03/12] iommu/arm-smmu-v3: Add strtab parse helpers to a new arm-smmu-v3-kexec.c
Jason Gunthorpe <[email protected]>
| Newsgroups | dev.linux.lists.iommu,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <178735412599.18212.17979807434141096326.b4-review@b4> |
On Tue, 21 Jul 2026 12:48:12 -0700, Nicolin Chen <[email protected]> wrote: > When booting after a kexec, both the kdump adoption and also the in-flight > SMMUv3 live-update restoration built on the Kexec Handover (KHO) framework > need to parse the previous kernel's STRTAB_BASE/STRTAB_BASE_CFG registers, > in order to retain the stream table translating any in-flight DMAs. > > Add a new arm-smmu-v3-kexec.c holding the common read-only helpers: > - arm_smmu_kexec_parse_strtab_2lvl() > - arm_smmu_kexec_parse_strtab_linear() > - arm_smmu_kexec_check_strtab_l1_desc() > > [...] Reviewed-by: Jason Gunthorpe <[email protected]> -- Jason