diff --git a/target/linux/generic/pending-6.12/308-mips32r2_tune.patch b/target/linux/generic/pending-6.12/308-mips32r2_tune.patch index b9bd6104a4..97c02cc1a8 100644 --- a/target/linux/generic/pending-6.12/308-mips32r2_tune.patch +++ b/target/linux/generic/pending-6.12/308-mips32r2_tune.patch @@ -1,5 +1,5 @@ From: Felix Fietkau -Subject: kernel: add -mtune=34kc to MIPS CFLAGS when building for mips32r2 +Subject: kernel: add -mtune=24kc to MIPS CFLAGS when building for mips32r2 This provides a good tradeoff across at least 24Kc-74Kc, while also producing smaller code. @@ -16,7 +16,7 @@ Signed-off-by: Felix Fietkau cflags-$(CONFIG_CPU_TX49XX) += $(call cc-option,-march=r4600,-march=mips3) -Wa,--trap cflags-$(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-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -mtune=24kc -Wa,--trap cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap diff --git a/target/linux/generic/pending-6.18/308-mips32r2_tune.patch b/target/linux/generic/pending-6.18/308-mips32r2_tune.patch index 19a716c9de..b5af003c4c 100644 --- a/target/linux/generic/pending-6.18/308-mips32r2_tune.patch +++ b/target/linux/generic/pending-6.18/308-mips32r2_tune.patch @@ -1,5 +1,5 @@ From: Felix Fietkau -Subject: kernel: add -mtune=34kc to MIPS CFLAGS when building for mips32r2 +Subject: kernel: add -mtune=24kc to MIPS CFLAGS when building for mips32r2 This provides a good tradeoff across at least 24Kc-74Kc, while also producing smaller code. @@ -16,7 +16,7 @@ Signed-off-by: Felix Fietkau cflags-$(CONFIG_CPU_TX49XX) += $(call cc-option,-march=r4600,-march=mips3) -Wa,--trap cflags-$(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-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -mtune=24kc -Wa,--trap cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap diff --git a/target/linux/realtek/patches-6.12/308-tune-switch-4kec.patch b/target/linux/realtek/patches-6.12/308-tune-switch-4kec.patch index 87cd76d462..c474ad53bf 100644 --- a/target/linux/realtek/patches-6.12/308-tune-switch-4kec.patch +++ b/target/linux/realtek/patches-6.12/308-tune-switch-4kec.patch @@ -2,7 +2,7 @@ From: Markus Stockhausen Date: Fri, 13 Jun 2025 20:25:37 +0100 Subject: [PATCH] realtek: set mtune 4kec for RTL838x targets -Generic patches will always force the gcc kernel tuning to 34kc. With RTL838x +Generic patches will always force the gcc kernel tuning to 24kc. With RTL838x being only 4kec this does not harm but is not right. Match the tuning properly. Signed-off-by: Markus Stockhausen @@ -13,10 +13,10 @@ Signed-off-by: Markus Stockhausen @@ -164,6 +164,11 @@ cflags-$(CONFIG_CPU_R4X00) += $(call cc- cflags-$(CONFIG_CPU_TX49XX) += $(call cc-option,-march=r4600,-march=mips3) -Wa,--trap cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap - cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -mtune=34kc -Wa,--trap + cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -mtune=24kc -Wa,--trap + +#ifdef CONFIG_RTL838X -+cflags-$(CONFIG_CPU_MIPS32_R2) := $(subst 34kc,4kec,$(cflags-$(CONFIG_CPU_MIPS32_R2))) ++cflags-$(CONFIG_CPU_MIPS32_R2) := $(subst 24kc,4kec,$(cflags-$(CONFIG_CPU_MIPS32_R2))) +#endif + cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg diff --git a/target/linux/realtek/patches-6.18/308-tune-switch-4kec.patch b/target/linux/realtek/patches-6.18/308-tune-switch-4kec.patch index f8cc4d7240..6422e92262 100644 --- a/target/linux/realtek/patches-6.18/308-tune-switch-4kec.patch +++ b/target/linux/realtek/patches-6.18/308-tune-switch-4kec.patch @@ -2,7 +2,7 @@ From: Markus Stockhausen Date: Fri, 13 Jun 2025 20:25:37 +0100 Subject: [PATCH] realtek: set mtune 4kec for RTL838x targets -Generic patches will always force the gcc kernel tuning to 34kc. With RTL838x +Generic patches will always force the gcc kernel tuning to 24kc. With RTL838x being only 4kec this does not harm but is not right. Match the tuning properly. Signed-off-by: Markus Stockhausen @@ -13,10 +13,10 @@ Signed-off-by: Markus Stockhausen @@ -160,6 +160,11 @@ cflags-$(CONFIG_CPU_R4X00) += $(call cc- cflags-$(CONFIG_CPU_TX49XX) += $(call cc-option,-march=r4600,-march=mips3) -Wa,--trap cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap - cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -mtune=34kc -Wa,--trap + cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -mtune=24kc -Wa,--trap + +#ifdef CONFIG_RTL838X -+cflags-$(CONFIG_CPU_MIPS32_R2) := $(subst 34kc,4kec,$(cflags-$(CONFIG_CPU_MIPS32_R2))) ++cflags-$(CONFIG_CPU_MIPS32_R2) := $(subst 24kc,4kec,$(cflags-$(CONFIG_CPU_MIPS32_R2))) +#endif + cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg