Buildresult: powerpc-fixes/wii_defconfig/powerpc-gcc5 built on Jun 7 2019, 20:19
kisskb
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Status:
OK
Date/Time:
Jun 7 2019, 20:19
Duration:
0:00:35.803398
Builder:
ka4
Revision:
powerpc/64s: __find_linux_pte() synchronization vs pmdp_invalidate() (
a00196a272161338d4b1d66ec69e3d57c6b280e0)
Target:
powerpc-fixes/wii_defconfig/powerpc-gcc5
Branch:
powerpc-fixes
Compiler:
powerpc-gcc5
(powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:
wii_defconfig
(
download
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Log:
Download original
Possible warnings (1)
kernel/futex.c:1658:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized]
Full Log
# git rev-parse -q --verify a00196a272161338d4b1d66ec69e3d57c6b280e0^{commit} a00196a272161338d4b1d66ec69e3d57c6b280e0 already have revision, skipping fetch # git checkout -q -f -B kisskb a00196a272161338d4b1d66ec69e3d57c6b280e0 # git clean -qxdf # < git log -1 # commit a00196a272161338d4b1d66ec69e3d57c6b280e0 # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Fri Jun 7 13:56:36 2019 +1000 # # powerpc/64s: __find_linux_pte() synchronization vs pmdp_invalidate() # # The change to pmdp_invalidate() to mark the pmd with _PAGE_INVALID # broke the synchronisation against lock free lookups, # __find_linux_pte()'s pmd_none() check no longer returns true for such # cases. # # Fix this by adding a check for this condition as well. # # Fixes: da7ad366b497 ("powerpc/mm/book3s: Update pmd_present to look at _PAGE_PRESENT bit") # Cc: stable@vger.kernel.org # v4.20+ # Suggested-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Signed-off-by: Nicholas Piggin <npiggin@gmail.com> # Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /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 a00196a272161338d4b1d66ec69e3d57c6b280e0 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_wii_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- wii_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_wii_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1658:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] return oldval == cmparg; ^ /kisskb/src/kernel/futex.c:1633:6: note: 'oldval' was declared here int oldval, ret; ^ INFO: Uncompressed kernel (size 0x90ac00) overlaps the address of the wrapper(0x600000) INFO: Fixing the link_address of wrapper to (0xa00000) Completed OK # rm -rf /kisskb/build/powerpc-fixes_wii_defconfig_powerpc-gcc5 # Build took: 0:00:35.803398
© Michael Ellerman 2006-2018.