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SubjectRe: aio-core why not using SuS? [Re: [rfc] aio-core for 2.5.29 (Re: async-io API registration for 2.5.29)]
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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