Messages in this thread |  | | Subject | Re: [PATCH] move xchg/cmpxchg to atomic.h | Date | Tue, 2 Jan 2001 17:18:52 +0000 (GMT) | From | Alan Cox <> |
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> > We really can't. We _only_ have load-and-zero. And it has to be 16-byte > > aligned. xchg() is just not something the CPU implements. > > The network code relies on the reader-xchg semantics David described in > several places.
I guess the network code will just have to change for 2.5. read_xchg_val() can be a null macro for everyone else at least
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