Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this

From: David S. Miller
Date: Sun Aug 31 2003 - 00:12:29 EST


On Fri, 29 Aug 2003 16:05:21 -0700
Mike Fedyk <mfedyk@xxxxxxxxxxxxx> wrote:

> Does this mean that userspace has to take into consideration that the isn't
> coherent for adjacent small memory accesses on sparc? What could happen if
> it doesn't, or does it need to at all?

For shared memory, we enforce the correct mapping alignment
so that coherency issues don't crop up.

How does this program work? I haven't taken a close look
at it. Does it use MAP_SHARED or IPC shm?

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