diff options
Diffstat (limited to 'dynamic-layers/raspberrypi/recipes-kernel/linux/files/0001-swiotlb-xen-use-vmalloc_to_page-on-vmalloc-virt-addr.patch')
| -rw-r--r-- | dynamic-layers/raspberrypi/recipes-kernel/linux/files/0001-swiotlb-xen-use-vmalloc_to_page-on-vmalloc-virt-addr.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/dynamic-layers/raspberrypi/recipes-kernel/linux/files/0001-swiotlb-xen-use-vmalloc_to_page-on-vmalloc-virt-addr.patch b/dynamic-layers/raspberrypi/recipes-kernel/linux/files/0001-swiotlb-xen-use-vmalloc_to_page-on-vmalloc-virt-addr.patch deleted file mode 100644 index 09144ced..00000000 --- a/dynamic-layers/raspberrypi/recipes-kernel/linux/files/0001-swiotlb-xen-use-vmalloc_to_page-on-vmalloc-virt-addr.patch +++ /dev/null @@ -1,44 +0,0 @@ -From f5f4de59377afdd9a80e0f47df109eacf427c203 Mon Sep 17 00:00:00 2001 -From: Boris Ostrovsky <boris.ostrovsky@oracle.com> -Date: Wed, 20 May 2020 16:42:06 -0700 -Subject: [PATCH 01/10] swiotlb-xen: use vmalloc_to_page on vmalloc virt - addresses - -Don't just assume that virt_to_page works on all virtual addresses. -Instead add a is_vmalloc_addr check and use vmalloc_to_page on vmalloc -virt addresses. - -Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> -Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com> ---- - drivers/xen/swiotlb-xen.c | 5 ++++- - 1 file changed, 4 insertions(+), 1 deletion(-) - -diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c -index b6d27762c6f8..a42129cba36e 100644 ---- a/drivers/xen/swiotlb-xen.c -+++ b/drivers/xen/swiotlb-xen.c -@@ -335,6 +335,7 @@ xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr, - int order = get_order(size); - phys_addr_t phys; - u64 dma_mask = DMA_BIT_MASK(32); -+ struct page *pg; - - if (hwdev && hwdev->coherent_dma_mask) - dma_mask = hwdev->coherent_dma_mask; -@@ -346,9 +347,11 @@ xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr, - /* Convert the size to actually allocated. */ - size = 1UL << (order + XEN_PAGE_SHIFT); - -+ pg = is_vmalloc_addr(vaddr) ? vmalloc_to_page(vaddr) : -+ virt_to_page(vaddr); - if (!WARN_ON((dev_addr + size - 1 > dma_mask) || - range_straddles_page_boundary(phys, size)) && -- TestClearPageXenRemapped(virt_to_page(vaddr))) -+ TestClearPageXenRemapped(pg)) - xen_destroy_contiguous_region(phys, order); - - xen_free_coherent_pages(hwdev, size, vaddr, (dma_addr_t)phys, attrs); --- -2.15.4 - |