Messages in this thread | | | From | Segher Boessenkool <> | Subject | Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures | Date | Tue, 21 Aug 2007 00:07:15 +0200 |
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> Such code generally doesn't care precisely when it gets the update, > just that the update is atomic, and it doesn't loop forever.
Yes, it _does_ care that it gets the update _at all_, and preferably as early as possible.
> Regardless, I'm convinced we just need to do it all in assembly.
So do you want "volatile asm" or "plain asm", for atomic_read()? The asm version has two ways to go about it too...
Segher
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