[PATCH 01/14] powerpc/svm: stop using io_tlb_start
From: Christoph Hellwig <hch@lst.de>
Date: 2021-03-01 07:45:47
Also in:
linux-iommu, xen-devel
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Use the local variable that is passed to swiotlb_init_with_tbl for freeing the memory in the failure case to isolate the code a little better from swiotlb internals. Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/powerpc/platforms/pseries/svm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/svm.c b/arch/powerpc/platforms/pseries/svm.c
index 7b739cc7a8a93e..1d829e257996fb 100644
--- a/arch/powerpc/platforms/pseries/svm.c
+++ b/arch/powerpc/platforms/pseries/svm.c@@ -55,9 +55,9 @@ void __init svm_swiotlb_init(void) if (vstart && !swiotlb_init_with_tbl(vstart, io_tlb_nslabs, false)) return; - if (io_tlb_start) - memblock_free_early(io_tlb_start, - PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT)); + + memblock_free_early(__pa(vstart), + PAGE_ALIGN(io_tlb_nslabs << IO_TLB_SHIFT)); panic("SVM: Cannot allocate SWIOTLB buffer"); }
--
2.29.2