On Tue, Jan 26, 2021 at 02:54:01PM +1000, Nicholas Piggin wrote: > vunmap will remove ptes. Should there be some ASSERT after the vunmap to make sure that is the case? > > Cc: Christoph Hellwig <hch@xxxxxx> > Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> > Cc: Robin Murphy <robin.murphy@xxxxxxx> > Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> > --- > kernel/dma/remap.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/kernel/dma/remap.c b/kernel/dma/remap.c > index 905c3fa005f1..b4526668072e 100644 > --- a/kernel/dma/remap.c > +++ b/kernel/dma/remap.c > @@ -66,6 +66,5 @@ void dma_common_free_remap(void *cpu_addr, size_t size) > return; > } > > - unmap_kernel_range((unsigned long)cpu_addr, PAGE_ALIGN(size)); > vunmap(cpu_addr); > } > -- > 2.23.0 > > _______________________________________________ > iommu mailing list > iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx > https://lists.linuxfoundation.org/mailman/listinfo/iommu
