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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: move firmware_ops to drivers/firmware
Date: Mon, 18 Nov 2013 17:10:23 +0000	[thread overview]
Message-ID: <20131118171023.GH16735@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <528A4869.2020701@wwwdotorg.org>

On Mon, Nov 18, 2013 at 10:03:37AM -0700, Stephen Warren wrote:
> On 11/18/2013 04:58 AM, Catalin Marinas wrote:
> ...
> > Of course, trusted foundations interface could be plugged into cpu_ops
> > on arm64 but I will NAK it on the grounds of not using the PSCI API, nor
> > the SMC calling convention (and it's easy to fix when porting to ARMv8).
> > If a supported standard API is used, then there is no need for
> > additional code in the kernel.
> 
> What happens when someone takes an existing working secure-mode SW stack
> and simply re-uses it on some new ARMv8 SoC. Are you going to force
> people working on upstream to re-write the secure mode firmware in
> shipped hardware before allowing upstream kernel support?

I'll tell you what will happen.  They'll say "screw mainline, we're doing
our own thing".  Vendors have been doing that for years, this will be no
different and require no additional effort from them.

  reply	other threads:[~2013-11-18 17:10 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-17  8:49 [PATCH] ARM: move firmware_ops to drivers/firmware Alexandre Courbot
2013-11-17 15:59 ` Catalin Marinas
2013-11-18  3:05   ` Alex Courbot
2013-11-18 11:58     ` Catalin Marinas
2013-11-18 17:03       ` Stephen Warren
2013-11-18 17:10         ` Russell King - ARM Linux [this message]
2013-11-18 17:18           ` Stephen Warren
2013-11-18 17:30         ` Catalin Marinas
2013-11-18 17:52           ` Stephen Warren
2013-11-19 11:38             ` Catalin Marinas
2013-11-18 19:04           ` Christopher Covington
2013-11-19 11:02             ` Catalin Marinas
2013-11-19  2:46       ` Alex Courbot
2013-11-19 12:26         ` Catalin Marinas
2013-11-19 14:29           ` Alexandre Courbot
2013-11-19 15:07             ` Catalin Marinas
2013-11-19 15:17               ` Alexandre Courbot
2013-11-18 17:00   ` Stephen Warren
2013-11-18 17:23     ` Catalin Marinas
2013-11-18 17:14   ` Russell King - ARM Linux

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