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[130.245.191.126]) by smtp.gmail.com with ESMTPSA id x10-20020ac87a8a000000b00418be3e365fsm3360264qtr.1.2023.09.29.17.55.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Sep 2023 17:55:20 -0700 (PDT) From: Zeyu Dong To: openwrt-devel@lists.openwrt.org Cc: Zeyu Dong Subject: [PATCH 1/2] build: cache kernel module package compiling Date: Fri, 29 Sep 2023 20:54:58 -0400 Message-Id: <20230930005459.1457589-1-dzy201415@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230929_175525_544172_F9637B8D X-CRM114-Status: GOOD ( 10.52 ) X-Spam-Score: 0.1 (/) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Kernel module packages compiling is not cached (e.g. mac80211) even with CONFIG_CCACHE on. CC should be set to KERNEL_CC in KERNEL_MAKE_FLAGS at kernel.mk to allow kernel module packages using ccache. Content analysis details: (0.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [dzy201415[at]gmail.com] 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit [dzy201415[at]gmail.com] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:833 listed in] [list.dnswl.org] X-BeenThere: openwrt-devel@lists.openwrt.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: OpenWrt Development List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "openwrt-devel" Errors-To: openwrt-devel-bounces+incoming=patchwork.ozlabs.org@lists.openwrt.org Kernel module packages compiling is not cached (e.g. mac80211) even with CONFIG_CCACHE on. CC should be set to KERNEL_CC in KERNEL_MAKE_FLAGS at kernel.mk to allow kernel module packages using ccache. Signed-off-by: Zeyu Dong --- The package Makefile is not sourcing kernel-defaults.mk, where CC is set to KERNEL_CC, which will be ccache when CONFIG_CCACHE is on. Also, some module packages are using KERNEL_MAKE_FLAGS instead of standard KERNEL_MAKE to compile. --- include/kernel-defaults.mk | 4 ---- include/kernel.mk | 4 ++++ 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk index 6a0251a9e2..7848b8e8f0 100644 --- a/include/kernel-defaults.mk +++ b/include/kernel-defaults.mk @@ -9,10 +9,6 @@ endif INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt -ifneq (,$(KERNEL_CC)) - KERNEL_MAKEOPTS += CC="$(KERNEL_CC)" -endif - export HOST_EXTRACFLAGS=-I$(STAGING_DIR_HOST)/include # defined in quilt.mk diff --git a/include/kernel.mk b/include/kernel.mk index 3012eb8993..8236416132 100644 --- a/include/kernel.mk +++ b/include/kernel.mk @@ -119,6 +119,10 @@ KERNEL_MAKE_FLAGS = \ cmd_syscalls= \ $(if $(__package_mk),KBUILD_EXTRA_SYMBOLS="$(wildcard $(PKG_SYMVERS_DIR)/*.symvers)") +ifneq (,$(KERNEL_CC)) + KERNEL_MAKE_FLAGS += CC="$(KERNEL_CC)" +endif + KERNEL_NOSTDINC_FLAGS = \ -nostdinc $(if $(DUMP),, -isystem $(shell $(TARGET_CC) -print-file-name=include)) From patchwork Sat Sep 30 00:54:59 2023 Content-Type: text/plain; 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The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Fix the building issue setting CC to KERNEL_CC in kernel.mk. The kernel backports by default uses CC to compile kconf. A new patch is added to mac80211 to compile kconf with host gcc. Signed-off-by: Zeyu Dong --- .../build/004-fix-kconf-compiling.patch | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 package/kernel/mac80211/patches/build/004-fix-kconf- [...] Content analysis details: (0.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [dzy201415[at]gmail.com] 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit [dzy201415[at]gmail.com] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:830 listed in] [list.dnswl.org] X-BeenThere: openwrt-devel@lists.openwrt.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: OpenWrt Development List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "openwrt-devel" Errors-To: openwrt-devel-bounces+incoming=patchwork.ozlabs.org@lists.openwrt.org Fix the building issue setting CC to KERNEL_CC in kernel.mk. The kernel backports by default uses CC to compile kconf. A new patch is added to mac80211 to compile kconf with host gcc. Signed-off-by: Zeyu Dong --- .../build/004-fix-kconf-compiling.patch | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 package/kernel/mac80211/patches/build/004-fix-kconf-compiling.patch diff --git a/package/kernel/mac80211/patches/build/004-fix-kconf-compiling.patch b/package/kernel/mac80211/patches/build/004-fix-kconf-compiling.patch new file mode 100644 index 0000000000..b61136cc5d --- /dev/null +++ b/package/kernel/mac80211/patches/build/004-fix-kconf-compiling.patch @@ -0,0 +1,39 @@ +Index: backports-6.5/Makefile.real +=================================================================== +--- backports-6.5.orig/Makefile.real ++++ backports-6.5/Makefile.real +@@ -6,6 +6,8 @@ else + export BACKPORTS_GIT_TRACKER_DEF= + endif + ++HOSTCC=gcc ++ + # disable built-in rules for this file + .SUFFIXES: + +@@ -24,21 +26,21 @@ listnewconfig oldaskconfig oldconfig \ + silentoldconfig olddefconfig oldnoconfig \ + allnoconfig allyesconfig allmodconfig \ + alldefconfig randconfig: +- @$(MAKE) -C kconf conf ++ @$(MAKE) -C kconf CC=$(HOSTCC) conf + @./kconf/conf --$@ Kconfig + + .PHONY: usedefconfig + usedefconfig: +- @$(MAKE) -C kconf conf ++ @$(MAKE) -C kconf CC=$(HOSTCC) conf + @./kconf/conf --defconfig=defconfig Kconfig + + .PHONY: savedefconfig + savedefconfig: +- @$(MAKE) -C kconf conf ++ @$(MAKE) -C kconf CC=$(HOSTCC) conf + @./kconf/conf --savedefconfig=defconfig Kconfig + + defconfig-%:: +- @$(MAKE) -C kconf conf ++ @$(MAKE) -C kconf CC=$(HOSTCC) conf + @./kconf/conf --defconfig=defconfigs/$(@:defconfig-%=%) Kconfig + + .config: