Messages in this thread | | | Subject | Re: [take12 0/3] kevent: Generic event handling mechanism. | From | Nicholas Miell <> | Date | Wed, 23 Aug 2006 01:18:50 -0700 |
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On Wed, 2006-08-23 at 00:35 -0700, David Miller wrote: > From: Andrew Morton <akpm@osdl.org> > Date: Wed, 23 Aug 2006 00:07:58 -0700 > > > I wonder whether designing-in a millisecond granularity is the right thing > > to do. If in a few years the kernel is running tickless with high-res clock > > interrupt sources, that might look a bit lumpy. > > > > Switching it to a __u64 nanosecond counter would be basically free on > > 64-bit machines, and not very expensive on 32-bit, no? > > If it ends up in a structure we'll need to use the "aligned_u64" type > in order to avoid problems with 32-bit x86 binaries running on 64-bit > kernels.
Perhaps
struct timespec64 { uint64_t tv_sec __attribute__((aligned(8))); uint32_t tv_nsec; }
with a snide remark about gcc in the comments?
-- Nicholas Miell <nmiell@comcast.net>
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