mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 10:08:59 +00:00
27 lines
940 B
Diff
27 lines
940 B
Diff
|
From 4677dd55d55832dab1e4f41fe9a7fabe8bb95197 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Jan Kiszka <jan.kiszka@siemens.com>
|
||
|
|
Date: Thu, 24 Nov 2016 08:27:45 +0100
|
||
|
|
Subject: [PATCH] ivshmem-net: Map shmem region as RAM
|
||
|
|
|
||
|
|
No need for special caching, simply map the shared memory region like
|
||
|
|
RAM, thus write-back. This gives us another order of magnitude in
|
||
|
|
throughput.
|
||
|
|
|
||
|
|
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
|
||
|
|
(cherry picked from commit af59c6541a65622cab498851e01653dd378cd9f8)
|
||
|
|
---
|
||
|
|
drivers/net/ivshmem-net.c | 2 +-
|
||
|
|
1 file changed, 1 insertion(+), 1 deletion(-)
|
||
|
|
|
||
|
|
--- a/drivers/net/ivshmem-net.c
|
||
|
|
+++ b/drivers/net/ivshmem-net.c
|
||
|
|
@@ -802,7 +802,7 @@ static int ivshm_net_probe(struct pci_de
|
||
|
|
if (!devm_request_mem_region(&pdev->dev, shmaddr, shmlen, DRV_NAME))
|
||
|
|
return -EBUSY;
|
||
|
|
|
||
|
|
- shm = devm_memremap(&pdev->dev, shmaddr, shmlen, MEMREMAP_WC);
|
||
|
|
+ shm = devm_memremap(&pdev->dev, shmaddr, shmlen, MEMREMAP_WB);
|
||
|
|
if (!shm)
|
||
|
|
return -ENOMEM;
|
||
|
|
|