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authorVasily Gorbik <gor@linux.ibm.com>2021-06-30 10:21:58 +0200
committerVasily Gorbik <gor@linux.ibm.com>2021-07-08 22:12:18 +0200
commit4ee471fe5a5a891ac4fcd45b5457fcb17de694de (patch)
tree9300264986652069d53954ed40532590b8245fd9 /drivers/target
parentb55e692e6bcbec36b4e0ba683608e7e1e7aab8c7 (diff)
s390/linkage: increase asm symbols alignment to 16
Both clang and gcc (for -march=z13 and later) align functions to 16 bytes at -O2 to benefit branch prediction. Make asm symbols alignment consistent with that. This also benefits potential ftrace code patching, which is currently able to patch 8 aligned bytes at once. With defconfig this currently increases .text size by 4104 bytes. Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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