Buildresult: powerpc-next/s390-defconfig/s390x-gcc4.6 built on Apr 3 2018, 20:16

kisskb

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Status:	OK
Date/Time:	Apr 3 2018, 20:16
Duration:	0:01:34.929494
Builder:	ka4
Revision:	powerpc/pseries: Restore default security feature flags on setup (`8bd72f8f7c64c22a621801a76c9423932844e014)`
Target:	powerpc-next/s390-defconfig/s390x-gcc4.6
Branch:	powerpc-next
Compiler:	s390x-gcc4.6 (s390x-linux-gcc (GCC) 4.6.3)
Config:	defconfig (download)
Log:	Download original Possible warnings (5) mm/hugetlb.c:1439:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] kernel/cgroup/cgroup-v1.c:1268:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1816:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1726:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify 8bd72f8f7c64c22a621801a76c9423932844e014^{commit} 8bd72f8f7c64c22a621801a76c9423932844e014 already have revision, skipping fetch # git checkout -q -f -B kisskb 8bd72f8f7c64c22a621801a76c9423932844e014 # git clean -qxdf # < git log -1 # commit 8bd72f8f7c64c22a621801a76c9423932844e014 # Author: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com> # Date: Fri Mar 30 14:28:25 2018 -0300 # # powerpc/pseries: Restore default security feature flags on setup # # After migration the security feature flags might have changed (e.g., # destination system with unpatched firmware), but some flags are not # set/clear again in init_cpu_char_feature_flags() because it assumes # the security flags to be the defaults. # # Additionally, if the H_GET_CPU_CHARACTERISTICS hypercall fails then # init_cpu_char_feature_flags() does not run again, which potentially # might leave the system in an insecure or sub-optimal configuration. # # So, just restore the security feature flags to the defaults assumed # by init_cpu_char_feature_flags() so it can set/clear them correctly, # and to ensure safe settings are in place in case the hypercall fail. # # Fixes: f636c14790ea ("powerpc/pseries: Set or clear security feature flags") # Depends-on: 19887d6a28e2 ("powerpc: Move default security feature flags") # Signed-off-by: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version # < git log --format=%s --max-count=1 8bd72f8f7c64c22a621801a76c9423932844e014 # < make -s -j 40 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- defconfig # make -s -j 40 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1439:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1268:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1816:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1726:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/powerpc-next_s390-defconfig_s390x # Build took: 0:01:34.929494

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