| Message ID | 20220222153514.593231-3-hch@lst.de (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [01/11] dma-direct: use is_swiotlb_active in dma_direct_map_page | expand |
On 2/22/22 9:05 PM, Christoph Hellwig wrote: > If force bouncing is enabled we can't release the bufffers. typo ^^^^ > > Signed-off-by: Christoph Hellwig <hch@lst.de> > --- > kernel/dma/swiotlb.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c > index f1e7ea160b433..36fbf1181d285 100644 > --- a/kernel/dma/swiotlb.c > +++ b/kernel/dma/swiotlb.c > @@ -378,6 +378,9 @@ void __init swiotlb_exit(void) > unsigned long tbl_vaddr; > size_t tbl_size, slots_size; > > + if (swiotlb_force == SWIOTLB_FORCE) > + return; > + > if (!mem->nslabs) > return; > > Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index f1e7ea160b433..36fbf1181d285 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -378,6 +378,9 @@ void __init swiotlb_exit(void) unsigned long tbl_vaddr; size_t tbl_size, slots_size; + if (swiotlb_force == SWIOTLB_FORCE) + return; + if (!mem->nslabs) return;
If force bouncing is enabled we can't release the bufffers. Signed-off-by: Christoph Hellwig <hch@lst.de> --- kernel/dma/swiotlb.c | 3 +++ 1 file changed, 3 insertions(+)