6.6-stable review patch. If anyone has any objections, please let me know.
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From: Long Li longli@microsoft.com
commit 4a3b99bc04e501b816db78f70064e26a01257910 upstream.
When mapping doorbell page from user-mode, the driver should use the system page size as this memory is allocated via mmap() from user-mode.
Cc: stable@vger.kernel.org Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Long Li longli@microsoft.com Link: https://patch.msgid.link/1725030993-16213-2-git-send-email-longli@linuxonhyp... Signed-off-by: Leon Romanovsky leon@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/infiniband/hw/mana/main.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -460,13 +460,13 @@ int mana_ib_mmap(struct ib_ucontext *ibc PAGE_SHIFT; prot = pgprot_writecombine(vma->vm_page_prot);
- ret = rdma_user_mmap_io(ibcontext, vma, pfn, gc->db_page_size, prot, + ret = rdma_user_mmap_io(ibcontext, vma, pfn, PAGE_SIZE, prot, NULL); if (ret) ibdev_dbg(ibdev, "can't rdma_user_mmap_io ret %d\n", ret); else - ibdev_dbg(ibdev, "mapped I/O pfn 0x%llx page_size %u, ret %d\n", - pfn, gc->db_page_size, ret); + ibdev_dbg(ibdev, "mapped I/O pfn 0x%llx page_size %lu, ret %d\n", + pfn, PAGE_SIZE, ret);
return ret; }