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| author | Yangbo Lu <yangbo.lu@nxp.com> | 2020-04-10 10:47:05 +0800 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2020-05-07 12:53:06 +0200 |
| commit | cddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch) | |
| tree | 392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/809-jailhouse-0002-ivshmem-net-Map-shmem-region-as-RAM.patch | |
| parent | d1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff) | |
| download | upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2 upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip | |
layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/
For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.
The patches are sorted into the following categories:
301-arch-xxxx
302-dts-xxxx
303-core-xxxx
701-net-xxxx
801-audio-xxxx
802-can-xxxx
803-clock-xxxx
804-crypto-xxxx
805-display-xxxx
806-dma-xxxx
807-gpio-xxxx
808-i2c-xxxx
809-jailhouse-xxxx
810-keys-xxxx
811-kvm-xxxx
812-pcie-xxxx
813-pm-xxxx
814-qe-xxxx
815-sata-xxxx
816-sdhc-xxxx
817-spi-xxxx
818-thermal-xxxx
819-uart-xxxx
820-usb-xxxx
821-vfio-xxxx
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/809-jailhouse-0002-ivshmem-net-Map-shmem-region-as-RAM.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/809-jailhouse-0002-ivshmem-net-Map-shmem-region-as-RAM.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/809-jailhouse-0002-ivshmem-net-Map-shmem-region-as-RAM.patch b/target/linux/layerscape/patches-5.4/809-jailhouse-0002-ivshmem-net-Map-shmem-region-as-RAM.patch new file mode 100644 index 0000000000..8a3bcd6502 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/809-jailhouse-0002-ivshmem-net-Map-shmem-region-as-RAM.patch @@ -0,0 +1,26 @@ +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; + |