Re: [RFC/PATCH, 2/4] readX_check() performance evaluation

From: Linus Torvalds <torvalds_at_osdl.org>
Date: 2004-01-29 09:21:40
On Wed, 28 Jan 2004, Andi Kleen wrote:
> 
> I have no idea how to do such an synchronization on i386/x86-64. E.g. Opteron
> chipsets would likely support MCEs for bus aborts, but there is no way to 
> synchronize it for writes.

Doing a status read from the device should do it (just read the config 
space, for example).

But remember: I suspect there are very _very_ few people who care at that 
stage. 

		Linus
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Received on Wed Jan 28 17:31:16 2004

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