# git rev-parse -q --verify 320cd018d59229ab54ad013a2bf98a9de40fe7d0^{commit} 320cd018d59229ab54ad013a2bf98a9de40fe7d0 already have revision, skipping fetch # git checkout -q -f -B kisskb 320cd018d59229ab54ad013a2bf98a9de40fe7d0 # git clean -qxdf # < git log -1 # commit 320cd018d59229ab54ad013a2bf98a9de40fe7d0 # Author: Christophe Leroy # Date: Wed Apr 8 15:58:49 2020 +0000 # # powerpc/kasan: Fix stack overflow by increasing THREAD_SHIFT # # When CONFIG_KASAN is selected, the stack usage is increased. # # In the same way as x86 and arm64 architectures, increase # THREAD_SHIFT when CONFIG_KASAN is selected. # # Fixes: 2edb16efc899 ("powerpc/32: Add KASAN support") # Reported-by: # Signed-off-by: Christophe Leroy # Signed-off-by: Michael Ellerman # Link: https://bugzilla.kernel.org/show_bug.cgi?id=207129 # Link: https://lore.kernel.org/r/2c50f3b1c9bbaa4217c9a98f3044bd2a36c46a4f.1586361277.git.christophe.leroy@c-s.fr # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 320cd018d59229ab54ad013a2bf98a9de40fe7d0 # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_pasemi_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- pasemi_defconfig # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_pasemi_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_pasemi_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_pasemi_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu.h:46:0, from /kisskb/src/arch/powerpc/include/asm/mmu.h:347, from /kisskb/src/arch/powerpc/include/asm/lppaca.h:47, from /kisskb/src/arch/powerpc/include/asm/paca.h:17, from /kisskb/src/arch/powerpc/include/asm/current.h:13, from /kisskb/src/include/linux/thread_info.h:21, from /kisskb/src/include/asm-generic/preempt.h:5, from ./arch/powerpc/include/generated/asm/preempt.h:1, from /kisskb/src/include/linux/preempt.h:78, from /kisskb/src/include/linux/spinlock.h:51, from /kisskb/src/include/linux/seqlock.h:36, from /kisskb/src/include/linux/time.h:6, from /kisskb/src/include/linux/compat.h:10, from /kisskb/src/arch/powerpc/kernel/asm-offsets.c:14: /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:321:1: warning: data definition has no type or storage class DECLARE_STATIC_KEY_FALSE(stress_slb_key); ^ /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:321:1: error: type defaults to 'int' in declaration of 'DECLARE_STATIC_KEY_FALSE' [-Werror=implicit-int] /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:321:1: warning: parameter names (without types) in function declaration /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h: In function 'stress_slb': /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:324:9: error: implicit declaration of function 'static_branch_unlikely' [-Werror=implicit-function-declaration] return static_branch_unlikely(&stress_slb_key); ^ /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:324:33: error: 'stress_slb_key' undeclared (first use in this function) return static_branch_unlikely(&stress_slb_key); ^ /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:324:33: note: each undeclared identifier is reported only once for each function it appears in /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h: At top level: /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:328:1: warning: data definition has no type or storage class DECLARE_STATIC_KEY_FALSE(stress_hpt_key); ^ /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:328:1: error: type defaults to 'int' in declaration of 'DECLARE_STATIC_KEY_FALSE' [-Werror=implicit-int] /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:328:1: warning: parameter names (without types) in function declaration /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h: In function 'stress_hpt': /kisskb/src/arch/powerpc/include/asm/book3s/64/mmu-hash.h:331:33: error: 'stress_hpt_key' undeclared (first use in this function) return static_branch_unlikely(&stress_hpt_key); ^ cc1: some warnings being treated as errors make[2]: *** [/kisskb/src/scripts/Makefile.build:100: arch/powerpc/kernel/asm-offsets.s] Error 1 make[1]: *** [/kisskb/src/Makefile:1141: prepare0] Error 2 make: *** [Makefile:180: sub-make] Error 2 Command 'make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_pasemi_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-next_pasemi_defconfig_powerpc-gcc5 # Build took: 0:00:07.704338