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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20181206184533.GC30039@lst.de>
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..