# git rev-parse -q --verify cd8c917a56f20f48748dd43d9ae3caff51d5b987^{commit} cd8c917a56f20f48748dd43d9ae3caff51d5b987 already have revision, skipping fetch # git checkout -q -f -B kisskb cd8c917a56f20f48748dd43d9ae3caff51d5b987 # git clean -qxdf # < git log -1 # commit cd8c917a56f20f48748dd43d9ae3caff51d5b987 # Author: Salvatore Bonaccorso # Date: Mon Dec 6 21:42:01 2021 +0100 # # Makefile: Do not quote value for CONFIG_CC_IMPLICIT_FALLTHROUGH # # Andreas reported that a specific build environment for an external # module, being a bit broken, does pass CC_IMPLICIT_FALLTHROUGH quoted as # argument to gcc, causing an error # # gcc-11: error: "-Wimplicit-fallthrough=5": linker input file not found: No such file or directory # # Until this is more generally fixed as outlined in [1], by fixing # scripts/link-vmlinux.sh, scripts/gen_autoksyms.sh, etc to not directly # include the include/config/auto.conf, and in a second step, change # Kconfig to generate the auto.conf without "", workaround the issue by # explicitly unquoting CC_IMPLICIT_FALLTHROUGH. # # Reported-by: Andreas Beckmann # Link: https://bugs.debian.org/1001083 # Link: https://lore.kernel.org/linux-kbuild/CAK7LNAR-VXwHFEJqCcrFDZj+_4+Xd6oynbj_0eS8N504_ydmyw@mail.gmail.com/ [1] # Signed-off-by: Salvatore Bonaccorso # Reviewed-by: Kees Cook # Reviewed-by: Gustavo A. R. Silva # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 cd8c917a56f20f48748dd43d9ae3caff51d5b987 # < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 allmodconfig # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_KCOV=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # Added to kconfig CONFIG_GCC_PLUGIN_STRUCTLEAK=n # Added to kconfig CONFIG_GCC_PLUGIN_RANDSTRUCT=n # Added to kconfig CONFIG_UML_NET=n # Added to kconfig CONFIG_UML_NET_ETHERTAP=n # Added to kconfig CONFIG_UML_NET_TUNTAP=n # Added to kconfig CONFIG_UML_NET_SLIP=n # Added to kconfig CONFIG_UML_NET_DAEMON=n # Added to kconfig CONFIG_UML_NET_VDE=n # Added to kconfig CONFIG_UML_NET_MCAST=n # Added to kconfig CONFIG_UML_NET_PCAP=n # Added to kconfig CONFIG_UML_NET_SLIRP=n # Added to kconfig CONFIG_GCOV_KERNEL=n # Added to kconfig CONFIG_DEBUG_INFO_BTF=n # Added to kconfig CONFIG_BPF_PRELOAD=n # < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help # make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig .config:11887:warning: override: reassigning to symbol GCC_PLUGIN_SANCOV .config:11890:warning: override: reassigning to symbol GCC_PLUGIN_RANDSTRUCT .config:11892:warning: override: reassigning to symbol UML_NET_ETHERTAP .config:11894:warning: override: reassigning to symbol UML_NET_SLIP .config:11897:warning: override: reassigning to symbol UML_NET_MCAST .config:11899:warning: override: reassigning to symbol UML_NET_SLIRP # make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 /kisskb/src/arch/x86/um/Makefile:44: FORCE prerequisite is missing /kisskb/src/drivers/video/fbdev/riva/fbdev.c: In function 'rivafb_probe': /kisskb/src/drivers/video/fbdev/riva/fbdev.c:2062:11: error: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type [-Werror=discarded-qualifiers] iounmap(default_par->riva.PRAMIN); ^ In file included from /kisskb/src/arch/um/include/asm/io.h:7:0, from /kisskb/src/include/linux/io.h:13, from /kisskb/src/include/linux/irq.h:20, from /kisskb/src/include/asm-generic/hardirq.h:17, from /kisskb/src/arch/um/include/asm/hardirq.h:5, from /kisskb/src/include/linux/hardirq.h:11, from /kisskb/src/include/linux/interrupt.h:11, from /kisskb/src/include/linux/trace_recursion.h:5, from /kisskb/src/include/linux/ftrace.h:10, from /kisskb/src/include/linux/kprobes.h:28, from /kisskb/src/include/linux/kgdb.h:19, from /kisskb/src/include/linux/fb.h:6, from /kisskb/src/drivers/video/fbdev/riva/fbdev.c:39: /kisskb/src/include/asm-generic/logic_io.h:36:17: note: expected 'void *' but argument is of type 'volatile U032 * {aka volatile unsigned int *}' #define iounmap iounmap ^ /kisskb/src/include/asm-generic/logic_io.h:37:6: note: in expansion of macro 'iounmap' void iounmap(void __iomem *addr); ^ /kisskb/src/drivers/video/fbdev/riva/fbdev.c: In function 'rivafb_remove': /kisskb/src/drivers/video/fbdev/riva/fbdev.c:2095:11: error: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type [-Werror=discarded-qualifiers] iounmap(par->riva.PRAMIN); ^ In file included from /kisskb/src/arch/um/include/asm/io.h:7:0, from /kisskb/src/include/linux/io.h:13, from /kisskb/src/include/linux/irq.h:20, from /kisskb/src/include/asm-generic/hardirq.h:17, from /kisskb/src/arch/um/include/asm/hardirq.h:5, from /kisskb/src/include/linux/hardirq.h:11, from /kisskb/src/include/linux/interrupt.h:11, from /kisskb/src/include/linux/trace_recursion.h:5, from /kisskb/src/include/linux/ftrace.h:10, from /kisskb/src/include/linux/kprobes.h:28, from /kisskb/src/include/linux/kgdb.h:19, from /kisskb/src/include/linux/fb.h:6, from /kisskb/src/drivers/video/fbdev/riva/fbdev.c:39: /kisskb/src/include/asm-generic/logic_io.h:36:17: note: expected 'void *' but argument is of type 'volatile U032 * {aka volatile unsigned int *}' #define iounmap iounmap ^ /kisskb/src/include/asm-generic/logic_io.h:37:6: note: in expansion of macro 'iounmap' void iounmap(void __iomem *addr); ^ cc1: all warnings being treated as errors make[5]: *** [/kisskb/src/scripts/Makefile.build:287: drivers/video/fbdev/riva/fbdev.o] Error 1 make[5]: *** Waiting for unfinished jobs.... make[4]: *** [/kisskb/src/scripts/Makefile.build:549: drivers/video/fbdev/riva] Error 2 make[3]: *** [/kisskb/src/scripts/Makefile.build:549: drivers/video/fbdev] Error 2 make[2]: *** [/kisskb/src/scripts/Makefile.build:549: drivers/video] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/kisskb/src/Makefile:1846: drivers] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:219: __sub-make] Error 2 Command 'make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_um-allmodconfig_um-x86_64 # Build took: 0:02:59.219247