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| author | Christoph Hellwig <hch@lst.de> | 2022-02-14 14:11:44 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2022-04-18 07:21:10 +0200 |
| commit | 78013eaadf696d2105982abb4018fbae394ca08f (patch) | |
| tree | 018da6dc9f81f26fc4d5ce8df7e1a9e9903593ed /arch/x86/include/asm/xen | |
| parent | f39f8d0eb081407e470396fd4cc376c526d13066 (diff) | |
| download | lwn-78013eaadf696d2105982abb4018fbae394ca08f.tar.gz lwn-78013eaadf696d2105982abb4018fbae394ca08f.zip | |
x86: remove the IOMMU table infrastructure
The IOMMU table tries to separate the different IOMMUs into different
backends, but actually requires various cross calls.
Rewrite the code to do the generic swiotlb/swiotlb-xen setup directly
in pci-dma.c and then just call into the IOMMU drivers.
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/x86/include/asm/xen')
| -rw-r--r-- | arch/x86/include/asm/xen/swiotlb-xen.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/include/asm/xen/swiotlb-xen.h b/arch/x86/include/asm/xen/swiotlb-xen.h index 66b4ddde7743..e5a90b42e4dd 100644 --- a/arch/x86/include/asm/xen/swiotlb-xen.h +++ b/arch/x86/include/asm/xen/swiotlb-xen.h @@ -3,10 +3,8 @@ #define _ASM_X86_SWIOTLB_XEN_H #ifdef CONFIG_SWIOTLB_XEN -extern int __init pci_xen_swiotlb_detect(void); extern int pci_xen_swiotlb_init_late(void); #else -#define pci_xen_swiotlb_detect NULL static inline int pci_xen_swiotlb_init_late(void) { return -ENXIO; } #endif |