linux-kernel - Re: [PATCH v2] of: iommu: make of_iommu_init() postcore_initcall

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]

Date:	Wed, 8 Jun 2016 10:44:31 -0500
From:	Rob Herring <robh+dt@...nel.org>
To:	Kefeng Wang <wangkefeng.wang@...wei.com>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Joerg Roedel <joro@...tes.org>,
	Hanjun Guo <guohanjun@...wei.com>,
	Arnd Bergmann <arnd@...db.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Rich Felker <dalias@...c.org>,
	Robin Murphy <robin.murphy@....com>,
	Will Deacon <will.deacon@....com>
Subject: Re: [PATCH v2] of: iommu: make of_iommu_init() postcore_initcall_sync

On Wed, Jun 1, 2016 at 1:06 AM, Kefeng Wang <wangkefeng.wang@...wei.com> wrote:
> The of_iommu_init() is called multiple times by arch code,
> make it postcore_initcall_sync, then we can drop relevant
> calls fully.
>
> Note, the IOMMUs should have a chance to perform some basic
> initialisation before we start adding masters to them. So
> postcore_initcall_sync is good choice, it ensures of_iommu_init()
> called before of_platform_populate.

What ever happened to doing deferred probe for IOMMUs?

Rob