Buildresult: powerpc-fixes/powerpc-allnoconfig/powerpc-gcc5 built on Nov 15 2018, 20:26

kisskb

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Status:	OK
Date/Time:	Nov 15 2018, 20:26
Duration:	0:00:13.779441
Builder:	ka1
Revision:	powerpc/64: Fix kernel stack 16-byte alignment (`66f93c5a02d5ba6ef17fef459143961382593212)`
Target:	powerpc-fixes/powerpc-allnoconfig/powerpc-gcc5
Branch:	powerpc-fixes
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0)
Config:	allnoconfig (download)
Log:	Download original No warnings found in log. Full Log # git rev-parse -q --verify 66f93c5a02d5ba6ef17fef459143961382593212^{commit} 66f93c5a02d5ba6ef17fef459143961382593212 already have revision, skipping fetch # git checkout -q -f -B kisskb 66f93c5a02d5ba6ef17fef459143961382593212 # git clean -qxdf # < git log -1 # commit 66f93c5a02d5ba6ef17fef459143961382593212 # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Thu Nov 15 12:34:27 2018 +1000 # # powerpc/64: Fix kernel stack 16-byte alignment # # Commit 4c2de74cc869 ("powerpc/64: Interrupts save PPR on stack rather # than thread_struct") changed sizeof(struct pt_regs) % 16 from 0 to 8, # which causes the interrupt frame allocation on kernel entry to put the # kernel stack out of alignment. # # Quadword (16-byte) alignment for the stack is required by both the # 64-bit v1 ABI (v1.9 § 3.2.2) and the 64-bit v2 ABI (v1.1 § 2.2.2.1). # # Add a pad field to fix alignment, and add a BUILD_BUG_ON to catch this # in future. # # Fixes: 4c2de74cc869 ("powerpc/64: Interrupts save PPR on stack rather than thread_struct") # Signed-off-by: Nicholas Piggin <npiggin@gmail.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 # < git log --format=%s --max-count=1 66f93c5a02d5ba6ef17fef459143961382593212 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_powerpc-allnoconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- allnoconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_powerpc-allnoconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- Completed OK # rm -rf /kisskb/build/powerpc-fixes_powerpc-allnoconfig_powerpc-gcc5 # Build took: 0:00:13.779441

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