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authorPeter Zijlstra <peterz@infradead.org>2020-10-21 15:45:33 +0200
committerPeter Zijlstra <peterz@infradead.org>2020-10-29 11:00:32 +0100
commit43c31ac0e665d942fcaba83a725a8b1aeeb7adf0 (patch)
tree44e9276309d8c428388a148ec5ce6c7a212dfecd /Documentation/powerpc
parent345a957fcc95630bf5535d7668a59ed983eb49a7 (diff)
sched: Remove relyance on STRUCT_ALIGNMENT
Florian reported that all of kernel/sched/ is rebuild when CONFIG_BLK_DEV_INITRD is changed, which, while not a bug is unexpected. This is due to us including vmlinux.lds.h. Jakub explained that the problem is that we put the alignment requirement on the type instead of on a variable. Type alignment is a minimum, the compiler is free to pick any larger alignment for a specific instance of the type (eg. the variable). So force the type alignment on all individual variable definitions and remove the undesired dependency on vmlinux.lds.h. Fixes: 85c2ce9104eb ("sched, vmlinux.lds: Increase STRUCT_ALIGNMENT to 64 bytes for GCC-4.9") Reported-by: Florian Fainelli <f.fainelli@gmail.com> Suggested-by: Jakub Jelinek <jakub@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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