# git rev-parse -q --verify 6f5701c04edc0b4d00d482117c89a7a13d647b5f^{commit} 6f5701c04edc0b4d00d482117c89a7a13d647b5f already have revision, skipping fetch # git checkout -q -f -B kisskb 6f5701c04edc0b4d00d482117c89a7a13d647b5f # git clean -qxdf # < git log -1 # commit 6f5701c04edc0b4d00d482117c89a7a13d647b5f # Author: Suresh Warrier # Date: Thu Dec 17 14:59:11 2015 -0600 # # KVM: PPC: Book3S HV: Add tunable to control H_IPI redirection # # Redirecting the wakeup of a VCPU from the H_IPI hypercall to # a core running in the host is usually a good idea, most workloads # seemed to benefit. However, in one heavily interrupt-driven SMT1 # workload, some regression was observed. This patch adds a kvm_hv # module parameter called h_ipi_redirect to control this feature. # # The default value for this tunable is 1 - that is enable the feature. # # Signed-off-by: Suresh Warrier # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 6f5701c04edc0b4d00d482117c89a7a13d647b5f # < make -s -j 24 ARCH=powerpc O=/kisskb/build/mpe-0day_ppc64_defconfig+NO_ALTIVEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc64_defconfig In file included from scripts/kconfig/zconf.tab.c:2576: /kisskb/src/scripts/kconfig/confdata.c: In function 'conf_write': /kisskb/src/scripts/kconfig/confdata.c:770:19: warning: '%s' directive writing likely 7 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=] 770 | sprintf(newname, "%s%s", dirname, basename); | ^~~~~~ /kisskb/src/scripts/kconfig/confdata.c:770:19: note: assuming directive output of 7 bytes /kisskb/src/scripts/kconfig/confdata.c:770:2: note: 'sprintf' output 1 or more bytes (assuming 4104) into a destination of size 4097 770 | sprintf(newname, "%s%s", dirname, basename); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/scripts/kconfig/confdata.c:773:20: warning: '.tmpconfig.' directive writing 11 bytes into a region of size between 1 and 4097 [-Wformat-overflow=] 773 | sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid()); | ^~~~~~~~~~~~~~~~~ /kisskb/src/scripts/kconfig/confdata.c:773:3: note: 'sprintf' output between 13 and 4119 bytes into a destination of size 4097 773 | sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid()); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # Added to kconfig CONFIG_ALTIVEC=n # Added to kconfig CONFIG_PPC_TRANSACTIONAL_MEM=n # < make -s -j 24 ARCH=powerpc O=/kisskb/build/mpe-0day_ppc64_defconfig+NO_ALTIVEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 24 ARCH=powerpc O=/kisskb/build/mpe-0day_ppc64_defconfig+NO_ALTIVEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 24 ARCH=powerpc O=/kisskb/build/mpe-0day_ppc64_defconfig+NO_ALTIVEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/lib/string_64.S: Assembler messages: /kisskb/src/arch/powerpc/lib/string_64.S:194: Warning: invalid register expression /kisskb/src/arch/powerpc/lib/copypage_power7.S: Assembler messages: /kisskb/src/arch/powerpc/lib/copypage_power7.S:48: Warning: invalid register expression /kisskb/src/arch/powerpc/lib/copypage_power7.S:49: Warning: invalid register expression /kisskb/src/arch/powerpc/lib/copypage_power7.S:51: Warning: invalid register expression /kisskb/src/arch/powerpc/lib/copypage_power7.S:52: Warning: invalid register expression /kisskb/src/arch/powerpc/lib/copypage_power7.S:54: Warning: invalid register expression /kisskb/src/arch/powerpc/kernel/vdso64/gettimeofday.S: Assembler messages: /kisskb/src/arch/powerpc/kernel/vdso64/gettimeofday.S:148: Warning: invalid register expression /kisskb/src/arch/powerpc/kernel/vdso64/gettimeofday.S:148: Error: operand out of range (4 is not between 0 and 1) /kisskb/src/arch/powerpc/kernel/vdso64/gettimeofday.S:148: Error: missing operand make[3]: *** [/kisskb/src/arch/powerpc/kernel/vdso64/Makefile:35: arch/powerpc/kernel/vdso64/gettimeofday.o] Error 1 make[2]: *** [/kisskb/src/scripts/Makefile.build:403: arch/powerpc/kernel/vdso64] Error 2 make[1]: *** [/kisskb/src/Makefile:943: arch/powerpc/kernel] Error 2 make[1]: *** Waiting for unfinished jobs.... In file included from /kisskb/src/sound/ppc/pmac.h:25:0, from /kisskb/src/sound/ppc/awacs.c:29: /kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init': /kisskb/src/include/sound/control.h:219:2: warning: 'master_vol' may be used uninitialized in this function [-Wmaybe-uninitialized] return _snd_ctl_add_slave(master, slave, 0); ^ /kisskb/src/sound/ppc/awacs.c:886:23: note: 'master_vol' was declared here struct snd_kcontrol *master_vol, *speaker_vol; ^ In file included from /kisskb/src/include/linux/list.h:8:0, from /kisskb/src/include/linux/preempt.h:10, from /kisskb/src/include/linux/spinlock.h:50, from /kisskb/src/include/linux/mmzone.h:7, from /kisskb/src/include/linux/gfp.h:5, from /kisskb/src/include/linux/mm.h:9, from /kisskb/src/include/linux/memblock.h:18, from /kisskb/src/mm/cma.c:28: /kisskb/src/mm/cma.c: In function 'cma_init_reserved_mem': /kisskb/src/include/linux/kernel.h:730:17: warning: comparison of distinct pointer types lacks a cast (void) (&_max1 == &_max2); \ ^ /kisskb/src/mm/cma.c:186:27: note: in expansion of macro 'max' alignment = PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order); ^ /kisskb/src/mm/cma.c: In function 'cma_declare_contiguous': /kisskb/src/include/linux/kernel.h:730:17: warning: comparison of distinct pointer types lacks a cast (void) (&_max1 == &_max2); \ ^ /kisskb/src/include/linux/kernel.h:729:9: note: in definition of macro 'max' typeof(y) _max2 = (y); \ ^ /kisskb/src/mm/cma.c:270:29: note: in expansion of macro 'max' (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order)); ^ /kisskb/src/include/linux/kernel.h:730:17: warning: comparison of distinct pointer types lacks a cast (void) (&_max1 == &_max2); \ ^ /kisskb/src/include/linux/kernel.h:729:21: note: in definition of macro 'max' typeof(y) _max2 = (y); \ ^ /kisskb/src/mm/cma.c:270:29: note: in expansion of macro 'max' (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order)); ^ In file included from /kisskb/src/include/linux/list.h:8:0, from /kisskb/src/include/linux/kobject.h:20, from /kisskb/src/include/linux/of.h:21, from /kisskb/src/drivers/of/of_reserved_mem.c:17: /kisskb/src/drivers/of/of_reserved_mem.c: In function '__reserved_mem_alloc_size': /kisskb/src/include/linux/kernel.h:730:17: warning: comparison of distinct pointer types lacks a cast (void) (&_max1 == &_max2); \ ^ /kisskb/src/include/linux/kernel.h:729:9: note: in definition of macro 'max' typeof(y) _max2 = (y); \ ^ /kisskb/src/drivers/of/of_reserved_mem.c:129:48: note: in expansion of macro 'max' align = max(align, (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order)); ^ /kisskb/src/include/linux/kernel.h:730:17: warning: comparison of distinct pointer types lacks a cast (void) (&_max1 == &_max2); \ ^ /kisskb/src/include/linux/kernel.h:729:21: note: in definition of macro 'max' typeof(y) _max2 = (y); \ ^ /kisskb/src/drivers/of/of_reserved_mem.c:129:48: note: in expansion of macro 'max' align = max(align, (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order)); ^ /kisskb/src/drivers/net/ethernet/broadcom/tg3.c: In function 'tg3_set_eeprom': /kisskb/src/drivers/net/ethernet/broadcom/tg3.c:12057:4: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(buf, &start, 4); ^ make: *** [Makefile:146: sub-make] Error 2 Command 'make -s -j 24 ARCH=powerpc O=/kisskb/build/mpe-0day_ppc64_defconfig+NO_ALTIVEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/mpe-0day_ppc64_defconfig+NO_ALTIVEC_powerpc-gcc4.9 # Build took: 0:02:09.946607