Messages in this thread | | | Date | Thu, 21 Aug 2003 23:48:24 +0200 | From | Stephan von Krawczynski <> | Subject | Re: Possible race condition in i386 global_irq_lock handling. |
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> smb_rmb is enough in practice for x86 (in asm-i386), but not the right > barrier in general because rmb only serializes reads against reads, so > it would also make little sense while reading the i386 code. here you've > to serialize a write against a read so it would be misleading unless you > know exactly the lowlevel implementations of those barriers. > > smp_mb() before the while loop should be the correct barrier for all > archs and the asm generated on x86 will be the same. > > alpha, ia64 and x86-64 (and probably others) needs it too.
Can some kind soul please provide me with the needed mini-patch. I would like to try that on my constantly crashing SMP test box...
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