openwrt/target/linux/generic/pending-5.4/302-mips_no_branch_likely.patch

From: Felix Fietkau <nbd@nbd.name>
Subject: mips: use -mno-branch-likely for kernel and userspace

saves ~11k kernel size after lzma and ~12k squashfs size in the

lede-commit: 41a039f46450ffae9483d6216422098669da2900
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
@@ -92,7 +92,7 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
 # machines may also.  Since BFD is incredibly buggy with respect to
 # crossformat linking we rely on the elf2ecoff tool for format conversion.
 #
-cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
+cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
 cflags-y			+= -msoft-float
 LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
 KBUILD_AFLAGS_MODULE		+= -mlong-calls
kernel: copy kernel 4.19 code to 5.4 No changes were done to the patches while coping them. Currently they do not apply on top of kernel 5.4. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> 2020-02-23 13:20:11 +01:00			`From: Felix Fietkau <nbd@nbd.name>`
			`Subject: mips: use -mno-branch-likely for kernel and userspace`

			`saves ~11k kernel size after lzma and ~12k squashfs size in the`

			`lede-commit: 41a039f46450ffae9483d6216422098669da2900`
			`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`
kernel: add support for kernel 5.4 The following patches were removed because they are integrated in the upstream kernel 5.4: * backport-5.4/047-v4.21-mtd-keep-original-flags-for-every-struct-mtd_info.patch * backport-5.4/048-v4.21-mtd-improve-calculating-partition-boundaries-when-ch.patch * backport-5.4/080-v5.1-0001-bcma-keep-a-direct-pointer-to-the-struct-device.patch * backport-5.4/080-v5.1-0002-bcma-use-dev_-printing-functions.patch * backport-5.4/095-Allow-class-e-address-assignment-via-ifconfig-ioctl.patch * backport-5.4/101-arm-cns3xxx-use-actual-size-reads-for-PCIe.patch * backport-5.4/200-v5.2-usb-dwc2-Set-lpm-mode-parameters-depend-on-HW-configuration.patch * backport-5.4/210-arm64-sve-Disentangle-uapi-asm-ptrace.h-from-uapi-as.patch * backport-5.4/380-v5.3-net-sched-Introduce-act_ctinfo-action.patch * backport-5.4/450-v5.0-mtd-spinand-winbond-Add-support-for-W25N01GV.patch * backport-5.4/451-v5.0-mtd-spinand-Add-initial-support-for-Toshiba-TC58CVG2.patch * backport-5.4/452-v5.0-mtd-spinand-add-support-for-GigaDevice-GD5FxGQ4xA.patch * backport-5.4/455-v5.1-mtd-spinand-Add-support-for-all-Toshiba-Memory-produ.patch * backport-5.4/456-v5.1-mtd-spinand-Add-support-for-GigaDevice-GD5F1GQ4UExxG.patch * backport-5.4/460-v5.0-mtd-spi-nor-Add-support-for-mx25u12835f.patch * backport-5.4/460-v5.3-mtd-spinand-Define-macros-for-page-read-ops-with-thr.patch * backport-5.4/461-v5.3-mtd-spinand-Add-support-for-two-byte-device-IDs.patch * backport-5.4/462-v5.3-mtd-spinand-Add-support-for-GigaDevice-GD5F1GQ4UFxxG.patch * backport-5.4/463-v5.3-mtd-spinand-Add-initial-support-for-Paragon-PN26G0xA.patch * backport-5.4/700-v5.1-net-phylink-only-call-mac_config-during-resolve-when.patch * backport-5.4/701-v5.2-net-phylink-ensure-inband-AN-works-correctly.patch * backport-5.4/702-v4.20-net-ethernet-Add-helper-for-MACs-which-support-asym-.patch * backport-5.4/703-v4.20-net-ethernet-Add-helper-for-set_pauseparam-for-Asym-.patch * backport-5.4/704-v4.20-net-phy-Stop-with-excessive-soft-reset.patch * backport-5.4/705-v5.1-net-phy-provide-full-set-of-accessor-functions-to-MM.patch * backport-5.4/706-v5.1-net-phy-add-register-modifying-helpers-returning-1-o.patch * backport-5.4/707-v5.1-net-phy-add-genphy_c45_check_and_restart_aneg.patch * backport-5.4/708-v5.3-net-phylink-remove-netdev-from-phylink-mii-ioctl-emu.patch * backport-5.4/709-v5.3-net-phylink-support-for-link-gpio-interrupt.patch * backport-5.4/710-v5.3-net-phy-allow-Clause-45-access-via-mii-ioctl.patch * backport-5.4/711-v5.3-net-sfp-add-mandatory-attach-detach-methods-for-sfp-.patch * backport-5.4/712-v5.3-net-sfp-remove-sfp-bus-use-of-netdevs.patch * backport-5.4/713-v5.2-net-phylink-avoid-reducing-support-mask.patch * backport-5.4/714-v5.3-net-sfp-Stop-SFP-polling-and-interrupt-handling-duri.patch * backport-5.4/715-v5.3-net-phylink-don-t-start-and-stop-SGMII-PHYs-in-SFP-m.patch * backport-5.4/740-v5.5-net-phy-avoid-matching-all-ones-clause-45-PHY-IDs.patch * backport-5.4/741-v5.5-net-phylink-fix-link-mode-modification-in-PHY-mode.patch * pending-5.4/103-MIPS-perf-ath79-Fix-perfcount-IRQ-assignment.patch * pending-5.4/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch * pending-5.4/132-spi-spi-gpio-fix-crash-when-num-chipselects-is-0.patch * pending-5.4/220-optimize_inlining.patch * pending-5.4/341-MIPS-mm-remove-no-op-dma_map_ops-where-possible.patch * pending-5.4/475-mtd-spi-nor-Add-Winbond-w25q128jv-support.patch * pending-5.4/477-mtd-add-spi-nor-add-mx25u3235f.patch * pending-5.4/479-mtd-spi-nor-add-eon-en25qh64.patch Some bigger changes were done to this feature and we did not port this patch yet: * hack-5.4/207-disable-modorder.patch This depends on BOOTMEM which was removed from the kernel, this needs some bigger changes: * hack-5.4/930-crashlog.patch A different version of the FPU disable patch was merged upstream, OpenWrt needs some adaptations. * pending-5.4/304-mips_disable_fpu.patch - no crashlog support yet as a required file got deleted upstream - Removed patch below, which is now seen as a recursive dependency [1] - Removed patch below due to build error [2] - fix still required to avoid identical function def [3] - Fixes included from Blocktrron - Fixes included from Chunkeey - Fix included from nbd regarding "dst leak in Flow Offload" [1] target/linux/generic/hack-5.4/260-crypto_test_dependencies.patch [2] target/linux/generic/hack-5.4/207-disable-modorder.patch [3] target/linux/generic/pending-5.4/613-netfilter_optional_tcp_window_check.patch Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Signed-off-by: David Bauer <mail@david-bauer.net> Signed-off-by: Christian Lamparter <chunkeey@gmail.com> Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> Signed-off-by: Robert Marko <robimarko@gmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> 2019-11-25 16:08:31 +01:00			`@@ -92,7 +92,7 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin`
kernel: copy kernel 4.19 code to 5.4 No changes were done to the patches while coping them. Currently they do not apply on top of kernel 5.4. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> 2020-02-23 13:20:11 +01:00			`# machines may also. Since BFD is incredibly buggy with respect to`
			`# crossformat linking we rely on the elf2ecoff tool for format conversion.`
			`#`
			`-cflags-y += -G 0 -mno-abicalls -fno-pic -pipe`
			`+cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely`
			`cflags-y += -msoft-float`
			`LDFLAGS_vmlinux += -G 0 -static -n -nostdlib`
			`KBUILD_AFLAGS_MODULE += -mlong-calls`