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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: tegra: add basic SecureOS support
Date: Mon, 10 Jun 2013 10:10:12 +0100	[thread overview]
Message-ID: <20130610091012.GR18614@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CAAVeFuJuf2hrMaM5keoai65vAAg6JLrjDUvYm4e2zQvsw64_8A@mail.gmail.com>

On Mon, Jun 10, 2013 at 04:47:22PM +0900, Alexandre Courbot wrote:
> One could remove the naked attribute and put there registers into the
> clobber list, but then the function will be inlined and we will have
> to ensure the parameters end up in the right register (and having a
> function that cannot be inlined is convenient in that respect). So as
> far as I can tell, having the function naked and saving the registers
> ourselves seems to be the most convenient way around this.

If you use such a large clobber list, you risk the compiler barfing on
you that it's run out of registers.

  reply	other threads:[~2013-06-10  9:10 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-06  7:28 [PATCH] ARM: tegra: add basic SecureOS support Alexandre Courbot
2013-06-06  9:35 ` Russell King - ARM Linux
2013-06-06 10:23   ` Alex Courbot
2013-06-06 10:17 ` Tomasz Figa
2013-06-06 10:37   ` Alex Courbot
2013-06-06 16:28     ` Stephen Warren
2013-06-06 11:11   ` Dave Martin
2013-06-06 11:02 ` Dave Martin
2013-06-07  7:25   ` Alexandre Courbot
2013-06-07 17:30     ` Dave Martin
2013-06-10  7:47       ` Alexandre Courbot
2013-06-10  9:10         ` Russell King - ARM Linux [this message]
2013-06-06 12:26 ` Jassi Brar
2013-06-07  7:13   ` Alexandre Courbot
2013-06-07  8:52     ` Jassi Brar
2013-06-06 16:44 ` Stephen Warren
2013-06-06 18:08   ` Dave Martin
2013-06-06 18:29     ` Stephen Warren
2013-06-07 17:47       ` Dave Martin
2013-06-07  9:03     ` Alexandre Courbot
2013-06-07 18:13       ` Dave Martin
2013-06-10  8:05         ` Alexandre Courbot
2013-06-10 11:20           ` Dave Martin
2013-06-07  8:11   ` Alexandre Courbot
2013-06-07 16:33     ` Stephen Warren
2013-06-10  8:11       ` Alexandre Courbot
2013-06-10  9:14         ` Russell King - ARM Linux
2013-06-10 16:35           ` Stephen Warren
2013-06-10 11:16         ` Dave Martin

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