From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mpe@ellerman.id.au, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org,
Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Wang Nan <wangnan0@huawei.com>,
Alexei Starovoitov <ast@kernel.org>,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of perf_mem_data_src
Date: Tue, 14 Mar 2017 14:31:51 +0530 [thread overview]
Message-ID: <f73bc62f-d1cf-2599-95f9-69bd8e27da4e@linux.vnet.ibm.com> (raw)
In-Reply-To: <20170313125041.GB3328@twins.programming.kicks-ass.net>
On Monday 13 March 2017 06:20 PM, Peter Zijlstra wrote:
> On Mon, Mar 13, 2017 at 04:45:51PM +0530, Madhavan Srinivasan wrote:
>>> - should you not have fixed this in the tool only? This patch
>>> effectively breaks ABI on big-endian architectures.
>> IIUC, we are the first BE user for this feature
>> (Kindly correct me if I am wrong), so technically we
>> are not breaking ABI here :) . But let me also look at
>> the dynamic conversion part.
> Huh? PPC hasn't yet implemented this? Then why are you fixing it?
yes, PPC hasn't implemented this (until now).
And did not understand "Then why are you fixing it?"
Maddy
>
next prev parent reply other threads:[~2017-03-14 9:03 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-06 10:43 [PATCH v2 0/6] powerpc/perf: Export memory hierarchy level Madhavan Srinivasan
2017-03-06 10:43 ` [PATCH v2 1/6] powerpc/perf: Define big-endian version of perf_mem_data_src Madhavan Srinivasan
2017-03-06 11:22 ` Peter Zijlstra
2017-03-06 14:59 ` David Laight
2017-03-06 15:28 ` Peter Zijlstra
2017-03-07 9:58 ` Madhavan Srinivasan
2017-03-07 10:23 ` Peter Zijlstra
2017-03-13 11:15 ` Madhavan Srinivasan
2017-03-13 12:50 ` Peter Zijlstra
2017-03-14 9:01 ` Madhavan Srinivasan [this message]
2017-03-14 12:56 ` Peter Zijlstra
2017-03-15 6:20 ` Michael Ellerman
2017-03-15 12:23 ` Peter Zijlstra
2017-03-16 5:53 ` Madhavan Srinivasan
2017-03-16 5:47 ` Madhavan Srinivasan
2017-03-06 10:43 ` [PATCH v2 2/6] powerpc/perf: Export memory hierarchy info to user space Madhavan Srinivasan
2017-03-13 19:21 ` Sukadev Bhattiprolu
2017-03-06 10:43 ` [PATCH v2 3/6] powerpc/perf: Support to export MMCRA[TEC*] field to userspace Madhavan Srinivasan
2017-03-06 10:43 ` [PATCH v2 4/6] powerpc/perf: Support to export SIERs bit in Power8 Madhavan Srinivasan
2017-03-06 10:43 ` [PATCH v2 5/6] powerpc/perf: Support to export SIERs bit in Power9 Madhavan Srinivasan
2017-03-06 10:43 ` [PATCH v2 6/6] powerpc/perf: Add Power8 mem_access event to sysfs Madhavan Srinivasan
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