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SubjectRe: [patch] avoid unaligned access when accessing poll stack
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Jes Sorensen <jes@sgi.com> writes:

> struct poll_list *walk;
> struct fdtable *fdt;
> int max_fdset;
> - /* Allocate small arguments on the stack to save memory and be faster */
> - char stack_pps[POLL_STACK_ALLOC];
> + /* Allocate small arguments on the stack to save memory and be
> + faster - use long to make sure the buffer is aligned properly
> + on 64 bit archs to avoid unaligned access */
> + long stack_pps[POLL_STACK_ALLOC/sizeof(long)];
> struct poll_list *stack_pp = NULL;

struct poll_list stack_pps[POLL_STACK_ALLOC / sizeof(struct poll_list)];

is more readable, and probably gcc align it rightly?
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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