Messages in this thread | | | Date | Thu, 22 Aug 2002 18:15:05 +0200 | From | Andrea Arcangeli <> | Subject | Re: aio-core why not using SuS? [Re: [rfc] aio-core for 2.5.29 (Re: async-io API registration for 2.5.29)] |
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On Sat, Aug 17, 2002 at 10:02:23AM -0700, Linus Torvalds wrote: > So to make this work, you'd have to have: > - architecture-specific hacks > - realize that not all architectures can do it at all, so the places that > depend on this would have to have some abstraction that makes it go > away when not needed. > - fix up lazy TLB switching (conditionally on the hack). > > It just sounds really messy to me.
Indeed. Assuming this is an hack under a CONFIG_X86_NUMA_HACK hardwired for certain config options and certain architecture, the tlb flushing across threads sounds the worst part in particular because it's an x86.
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