Messages in this thread |  | | Date | Tue, 28 Nov 2006 11:13:00 -0800 (PST) | Subject | Re: Kevent POSIX timers support. | From | David Miller <> |
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From: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Date: Tue, 28 Nov 2006 12:16:02 +0300
> Although ukevent has pointer embedded, it is unioned with u64, so there > should be no problems until 128 bit arch appeared, which likely will not > happen soon. There is also unused in kevent posix timers patch > 'u32 ret_val[2]' field, which can store segval's value too. > > But the fact that ukevent does not and will not in any way have variable > size is absolutely.
I believe that in order to be %100 safe you will need to use the special aligned_u64 type, as that takes care of a crucial difference between x86 and x86_64 API, namely that u64 needs 8-byte alignment on x86_64 but not on x86.
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