Buildresult: powerpc-fixes/pseries_defconfig/powerpc-gcc4.6 built on Mar 23 2018, 17:20

kisskb

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Status:	Failed
Date/Time:	Mar 23 2018, 17:20
Duration:	0:00:29.568871
Builder:	ka4
Revision:	powerpc/mm: Fixup tlbie vs store ordering issue on POWER9 (`f871bcb1c5a9888b433d57c8b41c71ab89e40c4f)`
Target:	powerpc-fixes/pseries_defconfig/powerpc-gcc4.6
Branch:	powerpc-fixes
Compiler:	powerpc-gcc4.6 (powerpc-linux-gcc (GCC) 4.6.3)
Config:	pseries_defconfig (download)
Log:	Download original Possible errors arch/powerpc/kvm/powerpc.c:1361:2: error: 'emulated' may be used uninitialized in this function [-Werror=uninitialized] cc1: all warnings being treated as errors make[2]: * [arch/powerpc/kvm/powerpc.o] Error 1 make[1]: * [arch/powerpc/kvm] Error 2 mm/swap_state.c:135:5: warning: 'error' may be used uninitialized in this function [-Wuninitialized] make: * [sub-make] Error 2 Possible warnings (4) kernel/cgroup/cgroup-v1.c:1268:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] mm/swap_state.c:135:5: warning: 'error' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] mm/hugetlb.c:1439:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify f871bcb1c5a9888b433d57c8b41c71ab89e40c4f^{commit} f871bcb1c5a9888b433d57c8b41c71ab89e40c4f already have revision, skipping fetch # git checkout -q -f -B kisskb f871bcb1c5a9888b433d57c8b41c71ab89e40c4f # git clean -qxdf # < git log -1 # commit f871bcb1c5a9888b433d57c8b41c71ab89e40c4f # Author: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> # Date: Fri Mar 23 10:26:27 2018 +0530 # # powerpc/mm: Fixup tlbie vs store ordering issue on POWER9 # # On POWER9, under some circumstances, a broadcast TLB invalidation # might complete before all previous stores have drained, potentially # allowing stale stores from becoming visible after the invalidation. # This works around it by doubling up those TLB invalidations which was # verified by HW to be sufficient to close the risk window. # # Fixes: 1a472c9dba6b ("powerpc/mm/radix: Add tlbflush routines") # Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> # [mpe: Enable the feature in the DT CPU features code for all Power9] # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 f871bcb1c5a9888b433d57c8b41c71ab89e40c4f # < make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- pseries_defconfig # make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/arch/powerpc/kvm/powerpc.c: In function 'kvmppc_handle_load128_by2x64': /kisskb/src/arch/powerpc/kvm/powerpc.c:1361:2: error: 'emulated' may be used uninitialized in this function [-Werror=uninitialized] cc1: all warnings being treated as errors /kisskb/src/scripts/Makefile.build:316: recipe for target 'arch/powerpc/kvm/powerpc.o' failed make[2]: * [arch/powerpc/kvm/powerpc.o] Error 1 make[2]: * Waiting for unfinished jobs.... /kisskb/src/Makefile:1048: recipe for target 'arch/powerpc/kvm' failed make[1]: * [arch/powerpc/kvm] Error 2 make[1]: * Waiting for unfinished jobs.... /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/mm/swap_state.c: In function '__add_to_swap_cache': /kisskb/src/mm/swap_state.c:135:5: warning: 'error' 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/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] Makefile:146: recipe for target 'sub-make' failed make: * [sub-make] Error 2 Command 'make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-fixes_pseries_defconfig_powerpc # Build took: 0:00:29.568871

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