Re: [PATCH] x86/memcpy: Introduce memcpy_mcsafe_fast

[Linus Torvalds]

On Mon, Apr 20, 2020 at 1:23 PM Luck, Tony <tony.luck@xxxxxxxxx> wrote:
>
> I think they do. If the result of the wrong data has already
> been sent out the network before you process the signal, then you
> will need far smarter application software than has ever been written
> to hunt it down and stop the spread of the bogus result.

Bah. That's a completely red herring argument.

By "asynchronous" I don't mean "hours later".

Make it be "interrupts are enabled, before serializing instruction".

Yes, we want bounded error handling latency. But that doesn't mean "synchronous"

           Linus