This is a note to let you know that I've just added the patch titled
RDMA/hns: Modify the mapping attribute of doorbell to device
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rdma-hns-modify-the-mapping-attribute-of-doorbell-to-device.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 39d5534b1302189c809e90641ffae8cbdc42a8fc Mon Sep 17 00:00:00 2001
From: Yixing Liu <liuyixing1@xxxxxxxxxx>
Date: Mon, 6 Dec 2021 21:36:52 +0800
Subject: RDMA/hns: Modify the mapping attribute of doorbell to device
From: Yixing Liu <liuyixing1@xxxxxxxxxx>
commit 39d5534b1302189c809e90641ffae8cbdc42a8fc upstream.
It is more general for ARM device drivers to use the device attribute to
map PCI BAR spaces.
Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Link: https://lore.kernel.org/r/20211206133652.27476-1-liangwenpeng@xxxxxxxxxx
Signed-off-by: Yixing Liu <liuyixing1@xxxxxxxxxx>
Signed-off-by: Wenpeng Liang <liangwenpeng@xxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/hw/hns/hns_roce_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -556,7 +556,7 @@ static int hns_roce_mmap(struct ib_ucont
return -EINVAL;
if (vma->vm_pgoff == 0) {
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+ vma->vm_page_prot = pgprot_device(vma->vm_page_prot);
if (io_remap_pfn_range(vma, vma->vm_start,
to_hr_ucontext(context)->uar.pfn,
PAGE_SIZE, vma->vm_page_prot))
Patches currently in stable-queue which might be from liuyixing1@xxxxxxxxxx are
queue-4.9/rdma-hns-modify-the-mapping-attribute-of-doorbell-to-device.patch
