openwrt/target/linux/generic/pending-4.19/308-mips32r2_tune.patch
Koen Vandeputte 8df12d76c6 kernel: bump 4.19 to 4.19.34
Refreshed all patches.

Removed:
- 030-PCI-dwc-skip-MSI-init-if-MSIs-have-been-explicitly-d.patch

Altered:
- 366-netfilter-nf_flow_table-clean-up-and-fix-dst-handlin.patch
- 650-netfilter-add-xt_OFFLOAD-target.patch
- 662-remove_pfifo_fast.patch
- 332-arc-add-OWRTDTB-section.patch
- 100-clocksource-drivers-arch_timer-Workaround-for-Allwin.patch
- 702-phy_add_aneg_done_function.patch

New symbols:
- ARC_IRQ_NO_AUTOSAVE
- SUN50I_ERRATUM_UNKNOWN1

Compile-tested: cns3xxx, imx6, sunxi
Runtime-tested: cns3xxx, imx6

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2019-04-08 14:53:39 +02:00

23 lines
941 B
Diff

From: Felix Fietkau <nbd@nbd.name>
Subject: kernel: add -mtune=34kc to MIPS CFLAGS when building for mips32r2
This provides a good tradeoff across at least 24Kc-74Kc, while also
producing smaller code.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
arch/mips/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -176,7 +176,7 @@ cflags-$(CONFIG_CPU_VR41XX) += -march=r4
cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap
-cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
+cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -mtune=34kc -Wa,--trap
cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap