On Mon, Jul 19, 2021 at 8:31 PM Will Deacon <[email protected]> wrote: > > A recent debugging session would have been made a little bit easier if > we had noticed sooner that swiotlb_exit() was being called during boot. > > Add a simple diagnostic message to swiotlb_exit() to complement the one > from swiotlb_print_info() during initialisation. > > Cc: Claire Chang <[email protected]> > Cc: Christoph Hellwig <[email protected]> > Cc: Robin Murphy <[email protected]> > Link: https://lore.kernel.org/r/20210705190352.GA19461@willie-the-truck > Suggested-by: Konrad Rzeszutek Wilk <[email protected]> > Tested-by: Nathan Chancellor <[email protected]>
Tested-by: Claire Chang <[email protected]> > Signed-off-by: Will Deacon <[email protected]> > --- > kernel/dma/swiotlb.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c > index 7948f274f9bb..b3c793ed9e64 100644 > --- a/kernel/dma/swiotlb.c > +++ b/kernel/dma/swiotlb.c > @@ -334,6 +334,7 @@ void __init swiotlb_exit(void) > if (!mem->nslabs) > return; > > + pr_info("tearing down default memory pool\n"); > size = array_size(sizeof(*mem->slots), mem->nslabs); > if (mem->late_alloc) > free_pages((unsigned long)mem->slots, get_order(size)); > -- > 2.32.0.402.g57bb445576-goog > _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
