openwrt/target/linux/cns3xxx/patches-4.14/130-Extend-PCIE_BUS_PEER2PEER-to-set-MRSS-128-to-fix-CNS3xxx-BM-DMA..patch
Stijn Segers 9ce7aa325e kernel: bump 4.14 to 4.14.60 for 18.06
* Refreshed patches.
* Patches made redundant by changes upstream:
  - target/linux/ramips/patches-4.14/0036-mtd-fix-cfi-cmdset-0002-erase-status-check.patch
* Patches accepted upstream:
  - target/linux/apm821xx/patches-4.14/020-0001-crypto-crypto4xx-remove-bad-list_del.patch
  - target/linux/apm821xx/patches-4.14/020-0011-crypto-crypto4xx-fix-crypto4xx_build_pdr-crypto4xx_b.patch
  - target/linux/brcm63xx/patches-4.14/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch
  - target/linux/brcm63xx/patches-4.14/001-4.15-09-bcm63xx_enet-do-not-write-to-random-DMA-channel-on-B.patch
  - target/linux/generic/backport-4.14/080-net-convert-sock.sk_wmem_alloc-from-atomic_t-to-refc.patch
  - target/linux/generic/pending-4.14/900-gen_stats-fix-netlink-stats-padding.patch

The ext4 regression introduced in 4.14.55 has been fixed by 4.14.60 (commit f547aa20b4f61662ad3e1a2040bb3cc5778f19b0).

Fixes the following CVEs:
- CVE-2018-10876
- CVE-2018-10877
- CVE-2018-10879
- CVE-2018-10880
- CVE-2018-10881
- CVE-2018-10882
- CVE-2018-10883

Thanks to Stijn Tintel for the CVE list :-).

Compile-tested on: ramips/mt7621, x86/64
Run-tested on: ramips/mt7621, x86/64

Signed-off-by: Stijn Segers <foss@volatilesystems.org>
2018-08-06 07:30:41 +02:00

24 lines
958 B
Diff

--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -2305,7 +2305,8 @@ static void pcie_write_mrrs(struct pci_d
/* In the "safe" case, do not configure the MRRS. There appear to be
* issues with setting MRRS to 0 on a number of devices.
*/
- if (pcie_bus_config != PCIE_BUS_PERFORMANCE)
+ if (pcie_bus_config != PCIE_BUS_PERFORMANCE &&
+ pcie_bus_config != PCIE_BUS_PEER2PEER)
return;
/* For Max performance, the MRRS must be set to the largest supported
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -845,7 +845,7 @@ enum pcie_bus_config_types {
PCIE_BUS_DEFAULT, /* ensure MPS matches upstream bridge */
PCIE_BUS_SAFE, /* use largest MPS boot-time devices support */
PCIE_BUS_PERFORMANCE, /* use MPS and MRRS for best performance */
- PCIE_BUS_PEER2PEER, /* set MPS = 128 for all devices */
+ PCIE_BUS_PEER2PEER, /* set MPS and MRSS to 128 for all devices */
};
extern enum pcie_bus_config_types pcie_bus_config;