On Mon, Jul 19, 2021 at 05:14:28PM +0100, John Garry wrote: > On 09/07/2021 15:24, Ming Lei wrote: > > > associated compromises. > > Follows the log of 'perf report' > > > > 1) good(run fio from cpus in the nvme's numa node) > > Hi Ming, > > If you're still interested in this issue, as an experiment only you can try > my rebased patches here: > > https://github.com/hisilicon/kernel-dev/commits/private-topic-smmu-5.14-cmdq-4 > > I think that you should see a significant performance boost.
There is build issue, please check your tree: MODPOST vmlinux.symvers MODINFO modules.builtin.modinfo GEN modules.builtin LD .tmp_vmlinux.btf ld: Unexpected GOT/PLT entries detected! ld: Unexpected run-time procedure linkages detected! ld: drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.o: in function `smmu_test_store': /root/git/linux/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3892: undefined reference to `smmu_test_core' BTF .btf.vmlinux.bin.o pahole: .tmp_vmlinux.btf: No such file or directory LD .tmp_vmlinux.kallsyms1 .btf.vmlinux.bin.o: file not recognized: file format not recognized make: *** [Makefile:1177: vmlinux] Error 1 Thanks, Ming _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
