linux-kernel - Re: [RFC] avoid indirect calls for DMA direct mappings

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Date:   Thu, 6 Dec 2018 19:45:33 +0100
From:   Christoph Hellwig <hch@....de>
To:     Nadav Amit <nadav.amit@...il.com>
Cc:     Jesper Dangaard Brouer <brouer@...hat.com>,
        Christoph Hellwig <hch@....de>,
        Toke Høiland-Jørgensen <toke@...e.dk>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        LKML <linux-kernel@...r.kernel.org>,
        iommu <iommu@...ts.linux-foundation.org>,
        Robin Murphy <robin.murphy@....com>,
        Tariq Toukan <tariqt@...lanox.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [RFC] avoid indirect calls for DMA direct mappings

On Thu, Dec 06, 2018 at 10:29:35AM -0800, Nadav Amit wrote:
> Did you happen to see my RFC for "automatic" indirect call promotion? 
> 
> 	https://lkml.org/lkml/2018/10/18/175
> 
> I hope to get v1 based on Josh responses next week.

I'll take a look when you repost it.  Although I'm always a little vary
of under the hood magic like this..