bisected: GOOD [37fcacb50be7071d146144a6c5c5bf0194b9a1cf] phy: PHY_FSL_LYNX_28G should depend on ARCH_LAYERSCAPE BAD [f5ff79fddf0efecca538046b5cc20fb3ded2ec4f] dma-mapping: remove CONFIG_DMA_REMAP GOOD [e62c17f0455a74b182ce6373e2777817256afaa1] MAINTAINERS: update maintainer list of DMA MAPPING BENCHMARK GOOD [0fb3436b4b36cf69f4544385aa2bb8c5a4913509] sparc: Remove usage of the deprecated "pci-dma-compat.h" API GOOD [fba09099c6e506608e05e08ac717bf34501f821b] media: v4l2-pci-skeleton: Remove usage of the deprecated "pci-dma-compat.h" API
dg@major:~/kernel/kernel-clone$ git bisect good f5ff79fddf0efecca538046b5cc20fb3ded2ec4f is the first bad commit commit f5ff79fddf0efecca538046b5cc20fb3ded2ec4f Author: Christoph Hellwig <h...@lst.de> Date: Sat Feb 26 16:40:21 2022 +0100 dma-mapping: remove CONFIG_DMA_REMAP That sounds like a believable cause given that it's IOMMU related and device related. -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux | Happy \ \ dave @ treblig.org | | In Hex / \ _________________________|_____ http://www.treblig.org |_______/