Messages in this thread | | | Subject | Re: Non atomic unaligned writes | From | Arjan van de Ven <> | Date | Sun, 19 Aug 2007 22:03:13 -0700 |
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> > > Are misaligned/cross-cache-line updates atomic? > > > > In theory yes, in practice there can be errata of course.
Afaik the theory is "Platform specific; most x86 will be in practice"; it's up to the system vendor and chipset vendor.
The practice is "mixed ball, slow as h*ck anyway, just never ever do it"
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