From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Richter Date: Wed, 06 Oct 2010 18:34:22 +0000 Subject: Re: [PATCH 5/7] oprofile: Abstract the perf-events backend Message-Id: <20101006183422.GV13563@erda.amd.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Matt Fleming Cc: Will Deacon , Paul Mundt , Russell King , "linux-arm-kernel@lists.infradead.org" , "linux-sh@vger.kernel.org" , Peter Zijlstra , Ingo Molnar , Frederic Weisbecker , Arnaldo Carvalho de Melo , "linux-arch@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Deng-Cheng Zhu , Grant Likely On 04.10.10 16:44:23, Matt Fleming wrote: > Move the perf-events backend from arch/arm/oprofile into > drivers/oprofile so that the code can be shared between architectures. > > This allows each architecture to maintain only a single copy of the PMU > accessor functions instead of one for both perf and OProfile. It also > becomes possible for other architectures to delete much of their > OProfile code in favour of the common code now available in > drivers/oprofile/oprofile_perf.c. > > Signed-off-by: Matt Fleming > Tested-by: Will Deacon > --- > arch/arm/oprofile/Makefile | 4 + > arch/arm/oprofile/common.c | 319 ------------------------------------- > drivers/oprofile/oprofile_perf.c | 326 ++++++++++++++++++++++++++++++++++++++ > include/linux/oprofile.h | 6 + > 4 files changed, 336 insertions(+), 319 deletions(-) > create mode 100644 drivers/oprofile/oprofile_perf.c This patch looks good. -Robert -- Advanced Micro Devices, Inc. Operating System Research Center