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authorBlue Swirl <blauwirbel@gmail.com>2011-08-07 19:00:23 +0000
committerBlue Swirl <blauwirbel@gmail.com>2011-08-21 19:52:27 +0000
commitf90074f49309de9dd65b978a95d10f089017960a (patch)
treec79c0d54ccd4e9c2a53b08e95ef9bb9410e3072a /cris-dis.c
parent94ac5cd20c6e441e0ed3aec5c98d6cbefb7f503f (diff)
slavio_timer: avoid structure holes spotted by pahole
Report from pahole on amd64 host: struct SLAVIO_TIMERState { SysBusDevice busdev; /* 0 5648 */ /* --- cacheline 88 boundary (5632 bytes) was 16 bytes ago --- */ uint32_t num_cpus; /* 5648 4 */ /* XXX 4 bytes hole, try to pack */ CPUTimerState cputimer[17]; /* 5656 816 */ /* --- cacheline 101 boundary (6464 bytes) was 8 bytes ago --- */ uint32_t cputimer_mode; /* 6472 4 */ /* size: 6480, cachelines: 102 */ /* sum members: 6472, holes: 1, sum holes: 4 */ /* padding: 4 */ /* last cacheline: 16 bytes */ }; /* definitions: 1 */ struct CPUTimerState { qemu_irq irq; /* 0 8 */ ptimer_state * timer; /* 8 8 */ uint32_t count; /* 16 4 */ uint32_t counthigh; /* 20 4 */ uint32_t reached; /* 24 4 */ /* XXX 4 bytes hole, try to pack */ uint64_t limit; /* 32 8 */ uint32_t running; /* 40 4 */ /* size: 48, cachelines: 1 */ /* sum members: 40, holes: 1, sum holes: 4 */ /* padding: 4 */ /* last cacheline: 48 bytes */ }; /* definitions: 1 */ Fix by rearranging the structures to avoid padding. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'cris-dis.c')
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