Messages in this thread | | | Date | Thu, 21 Nov 2019 00:26:45 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH RFC 01/14] x86/asm: add iosubmit_cmds512() based on movdir64b CPU instruction |
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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.
https://people.kernel.org/tglx/notes-about-netiquette
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