linux-kernel - Re: PowerPC, ftrace: Add PPC raw syscall tracepoints & ftrace fixes (mimimal subset only) v4

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Date:	Mon, 07 Feb 2011 21:10:56 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Ian Munsie <imunsie@....ibm.com>
Cc:	linux-kernel@...r.kernel.org, Andreas Dilger <adilger@...ger.ca>,
	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>, Jason Baron <jbaron@...hat.com>,
	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	Alexander Graf <agraf@...e.de>, Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Scott Wood <scottwood@...escale.com>,
	Nathan Lynch <ntl@...ox.com>,
	Avantika Mathur <mathur@...ux.vnet.ibm.com>,
	David Gibson <dwg@....ibm.com>,
	Andreas Schwab <schwab@...ux-m68k.org>,
	Namhyung Kim <namhyung@...il.com>
Subject: Re: PowerPC, ftrace: Add PPC raw syscall tracepoints & ftrace
 fixes (mimimal subset only) v4

On Thu, 2011-02-03 at 14:27 +1100, Ian Munsie wrote:
> Hi All,
> 
> This is a partial version of my 'ftrace syscalls, PowerPC: Various fixes,
> Compat Syscall support and PowerPC implementation'. This is updated from
> yesterday with arch_syscall_addr changed to a static inline function from
> Steven's suggestion.
> 
> This subset implements the raw syscall tracepoints on PowerPC which has been
> requested recently.  It also fixes ftrace syscalls to ensure that events will
> only be created for syscalls that successfully map their metadata to a syscall
> number, so that non-working phantom events are not created. Patches #2 and #6
> in this series are not strictly necessary for this, they just optimise ftrace
> syscalls a bit.
> 
> What's missing from this series that was in the full 40 patch v2 series is the
> conversion of all the syscalls implemented under /arch/powerpc, Jason Baron's
> compat syscall support and the conversion of the remaining native and compat
> syscalls to this infrastructure.

Thanks Ian,

I'll pull this into my local repo and start running my tests on it.

-- Steve


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