Re: [PATCH RFC 01/14] x86/asm: add iosubmit_cmds512() based on movdir64b CPU instruction

[Borislav Petkov]

On Wed, Nov 20, 2019 at 03:19:23PM -0800, Luck, Tony wrote:
> That's the underlying functionality of the MOVDIR64B instruction. A
> posted write so no way to know if it succeeded.

So how do you know whether any of the writes went through?

> When using dedicated queues the caller must keep count of how many
> operations are in flight and not send more than the depth of the
> queue.

This way?

-- 
Regards/Gruss,
    Boris.

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