linux-kernel - Re: [PATCH v7 3/8] arm64: introduce is_device_dma

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: <20141103105716.GC23162@arm.com>
Date:	Mon, 3 Nov 2014 10:57:16 +0000
From:	Will Deacon <will.deacon@....com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
	"Ian.Campbell@...rix.com" <Ian.Campbell@...rix.com>,
	"david.vrabel@...rix.com" <david.vrabel@...rix.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Catalin Marinas <Catalin.Marinas@....com>
Subject: Re: [PATCH v7 3/8] arm64: introduce is_device_dma_coherent

On Mon, Nov 03, 2014 at 10:46:03AM +0000, Stefano Stabellini wrote:
> On Mon, 27 Oct 2014, Stefano Stabellini wrote:
> > Introduce a boolean flag and an accessor function to check whether a
> > device is dma_coherent. Set the flag from set_arch_dma_coherent_ops.
> > 
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
> > Signed-off-by: Catalin Marinas <catalin.marinas@....com>
> > CC: will.deacon@....com
> 
> Will, Catalin,
> are you OK with this patch?

It would be nicer if the dma_coherent flag didn't have to be duplicated by
each architecture in dev_archdata. Is there any reason not to put it in the
core code?

Will
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/