# git rev-parse -q --verify 10da3c652aed277864100a16e8c9d0fc89b484cc^{commit} 10da3c652aed277864100a16e8c9d0fc89b484cc already have revision, skipping fetch # git checkout -q -f -B kisskb 10da3c652aed277864100a16e8c9d0fc89b484cc # git clean -qxdf # < git log -1 # commit 10da3c652aed277864100a16e8c9d0fc89b484cc # Author: Nathan Chancellor # Date: Tue Aug 30 08:12:56 2022 -0700 # # powerpc/papr_scm: Ensure rc is always initialized in papr_scm_pmu_register() # # Clang warns: # # arch/powerpc/platforms/pseries/papr_scm.c:492:6: warning: variable 'rc' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] # if (!p->stat_buffer_len) # ^~~~~~~~~~~~~~~~~~~ # arch/powerpc/platforms/pseries/papr_scm.c:523:64: note: uninitialized use occurs here # dev_info(&p->pdev->dev, "nvdimm pmu didn't register rc=%d\n", rc); # ^~ # include/linux/dev_printk.h:150:67: note: expanded from macro 'dev_info' # dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__) # ^~~~~~~~~~~ # include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' # _p_func(dev, fmt, ##__VA_ARGS__); \ # ^~~~~~~~~~~ # arch/powerpc/platforms/pseries/papr_scm.c:492:2: note: remove the 'if' if its condition is always false # if (!p->stat_buffer_len) # ^~~~~~~~~~~~~~~~~~~~~~~~ # arch/powerpc/platforms/pseries/papr_scm.c:484:8: note: initialize the variable 'rc' to silence this warning # int rc, nodeid; # ^ # = 0 # 1 warning generated. # # The call to papr_scm_pmu_check_events() was eliminated but a return code # was not added to the if statement. Add the same return code from # papr_scm_pmu_check_events() for this condition so there is no more # warning. # # Fixes: 9b1ac04698a4 ("powerpc/papr_scm: Fix nvdimm event mappings") # Signed-off-by: Nathan Chancellor # Signed-off-by: Michael Ellerman # Link: https://github.com/ClangBuiltLinux/linux/issues/1701 # Link: https://lore.kernel.org/r/20220830151256.1473169-1-nathan@kernel.org # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 10da3c652aed277864100a16e8c9d0fc89b484cc # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc85xx_defconfig # Added to kconfig CONFIG_PPC_E500MC=y # Added to kconfig CONFIG_VIRTUALIZATION=y # Added to kconfig CONFIG_KVM_E500MC=y # Added to kconfig # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:4402:warning: override: reassigning to symbol PPC_E500MC .config:4403:warning: override: reassigning to symbol VIRTUALIZATION # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/include/linux/build_bug.h:5, from /kisskb/src/include/linux/container_of.h:5, from /kisskb/src/include/linux/list.h:5, from /kisskb/src/include/linux/module.h:12, from /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:15: /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 22 | #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) | ^ /kisskb/src/include/linux/compiler.h:78:45: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:13: note: in expansion of macro 'IS_ERR_VALUE' 139 | if (IS_ERR_VALUE(fep->ring_mem_addr)) | ^~~~~~~~~~~~ /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8541cds.dts:341.15-350.5: Warning (pci_device_reg): /pci@e0008000/i8259@19000: PCI unit address format error, expected "12,0" /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8541cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8555cds.dts:341.15-350.5: Warning (pci_device_reg): /pci@e0008000/i8259@19000: PCI unit address format error, expected "12,0" /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8555cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc11 # Build took: 0:03:33.228447