Messages in this thread | | | Date | Mon, 29 Jun 2009 21:24:56 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH][RFC] asm-generic:remove calling flush_write_buffers() in dma_sync_*_for_cpu |
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On Mon, Jun 29, 2009 at 08:10:26PM +0100, Alan Cox wrote: > > X86_OOSTORE is defined for (MWINCHIP3D || MWINCHIPC6) && MTRR. I am not sure if > > these chips have sfence. > > It would also help to know what OOSTORE exactly means in the context of that > > chip. > > Non uncached stores may be visible out of order on the bus.
Ah ok, thanks. I think we should document that somewhere. A help text for the Kconfig entry comes to my mind for that purpose. I will send a patch for this.
Joerg
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