On Fri, Dec 31, 2021 at 11:56:40AM -0500, Tianyu Lan wrote: > From: Tianyu Lan <tianyu....@microsoft.com> > > HAS_IOMEM option may not be selected on some platforms(e.g, s390) and this > will cause compile error due to miss memremap() implementation. Fix it via
miss -> missingk > adding HAS_IOMEM check around memremap() in the swiotlb.c. > > Reported-by: kernel test robot <l...@intel.com> > Signed-off-by: Tianyu Lan <tianyu....@microsoft.com> Hi Christoph Are you happy with this fix? Thanks, Wei. > --- > kernel/dma/swiotlb.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c > index b36c1cdd0c4f..3de651ba38cc 100644 > --- a/kernel/dma/swiotlb.c > +++ b/kernel/dma/swiotlb.c > @@ -167,6 +167,7 @@ static void *swiotlb_mem_remap(struct io_tlb_mem *mem, > unsigned long bytes) > { > void *vaddr = NULL; > > +#ifdef CONFIG_HAS_IOMEM > if (swiotlb_unencrypted_base) { > phys_addr_t paddr = mem->start + swiotlb_unencrypted_base; > > @@ -175,6 +176,7 @@ static void *swiotlb_mem_remap(struct io_tlb_mem *mem, > unsigned long bytes) > pr_err("Failed to map the unencrypted memory %pa size > %lx.\n", > &paddr, bytes); > } > +#endif > > return vaddr; > } > -- > 2.25.1 > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu