On 03/14/2012 04:17 PM, H.J. Lu wrote: > > Just for the record, although the offsets of _utime and _stime are > multiple of 8 bytes, struct siginfo is only aligned at 4 bytes. So > the addresses of _utime and _stime may not be 8byte aligned. > But misaligned int64 load/store are OK for x86-64. > Yes; the real question I guess is where struct siginfo appears and if it is misaligned by construction. It obviously appears in the signal stack frame but also in a couple of system calls. It might be possible to put an __attribute__((aligned(8))) on the whole structure in the x32 case? -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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