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authorChristoph Hellwig <hch@lst.de>2022-02-28 13:36:57 +0200
committerChristoph Hellwig <hch@lst.de>2022-04-18 07:21:12 +0200
commit8ba2ed1be90fc210126f68186564707478552c95 (patch)
tree60e45049a4f38cc20ca83bc77af9495ddc9944f0 /arch/powerpc/kernel/dma-swiotlb.c
parentc6af2aa9ffc9763826607bc2664ef3ea4475ed18 (diff)
swiotlb: add a SWIOTLB_ANY flag to lift the low memory restriction
Power SVM wants to allocate a swiotlb buffer that is not restricted to low memory for the trusted hypervisor scheme. Consolidate the support for this into the swiotlb_init interface by adding a new flag. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'arch/powerpc/kernel/dma-swiotlb.c')
-rw-r--r--arch/powerpc/kernel/dma-swiotlb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index fc7816126a40..ba256c37bcc0 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -10,6 +10,7 @@
#include <asm/swiotlb.h>
unsigned int ppc_swiotlb_enable;
+unsigned int ppc_swiotlb_flags;
void __init swiotlb_detect_4g(void)
{