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| author | Christoph Hellwig <hch@lst.de> | 2022-02-28 13:36:57 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2022-04-18 07:21:12 +0200 |
| commit | 8ba2ed1be90fc210126f68186564707478552c95 (patch) | |
| tree | 60e45049a4f38cc20ca83bc77af9495ddc9944f0 /arch/powerpc/kernel | |
| parent | c6af2aa9ffc9763826607bc2664ef3ea4475ed18 (diff) | |
| download | linux-8ba2ed1be90fc210126f68186564707478552c95.tar.gz | |
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')
| -rw-r--r-- | arch/powerpc/kernel/dma-swiotlb.c | 1 |
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) { |