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

From: Linus Torvalds
Date: Wed Jan 28 2004 - 17:24:04 EST




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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/