linux-kernel - Re: [RFC] ptrace: add generic SET

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Message-ID: <20141112120549.GA4042@n2100.arm.linux.org.uk>
Date:	Wed, 12 Nov 2014 12:05:49 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linaro-kernel@...ts.linaro.org,
	"keescook@...omium.org" <keescook@...omium.org>,
	"roland@...k.frob.com" <roland@...k.frob.com>,
	Will Deacon <will.deacon@....com>,
	Oleg Nesterov <oleg@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	AKASHI Takahiro <takahiro.akashi@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [RFC] ptrace: add generic SET_SYSCALL request

On Wed, Nov 12, 2014 at 12:19:26PM +0100, Arnd Bergmann wrote:
> On Wednesday 12 November 2014 11:13:52 Will Deacon wrote:
> > Just do arm64. We already have the dedicated request for arch/arm/.
> 
> I wonder if we should define NT_ARM64_SYSTEM_CALL to the same value
> as NT_S390_SYSTEM_CALL (0x307), or even define it as an architecture-
> independent NT_SYSTEM_CALL number with that value, so other architectures
> don't have to introduce new types when they also want to implement it.

That would be a sane thing to do, so that tools which want to get at
this information can do in an almost standardised way for architectures
implementing this method.

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