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Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of perf_mem_data_src

From Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of perf_mem_data_src
Date 2017-03-14 10:10 +0100
Message-ID <tkQCS-6kd-21@gated-at.bofh.it> (permalink)
References (2 earlier) <thYZY-7uY-15@gated-at.bofh.it> <timIW-7Bl-23@gated-at.bofh.it> <timIW-7Bl-21@gated-at.bofh.it> <tkwb8-8aF-13@gated-at.bofh.it> <tkxJT-Fd-15@gated-at.bofh.it>
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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
>

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Thread

[PATCH v2 0/6] powerpc/perf: Export memory hierarchy level Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-06 11:50 +0100
  [PATCH v2 2/6] powerpc/perf: Export memory hierarchy info to user space Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-06 11:50 +0100
    Re: [PATCH v2 2/6] powerpc/perf: Export memory hierarchy info to  user space Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2017-03-13 20:30 +0100
  [PATCH v2 3/6] powerpc/perf: Support to export MMCRA[TEC*] field to userspace Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-06 11:50 +0100
  [PATCH v2 5/6] powerpc/perf: Support to export SIERs bit in Power9 Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-06 11:50 +0100
  [PATCH v2 1/6] powerpc/perf: Define big-endian version of perf_mem_data_src Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-06 11:50 +0100
    Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Peter Zijlstra <peterz@infradead.org> - 2017-03-06 12:30 +0100
      RE: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src David Laight <David.Laight@ACULAB.COM> - 2017-03-06 16:10 +0100
        Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Peter Zijlstra <peterz@infradead.org> - 2017-03-06 16:30 +0100
      Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Peter Zijlstra <peterz@infradead.org> - 2017-03-07 13:50 +0100
        Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-13 12:20 +0100
          Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Peter Zijlstra <peterz@infradead.org> - 2017-03-13 14:00 +0100
            Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-14 10:10 +0100
              Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Peter Zijlstra <peterz@infradead.org> - 2017-03-14 14:00 +0100
                Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of perf_mem_data_src Michael Ellerman <mpe@ellerman.id.au> - 2017-03-15 07:30 +0100
                Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Peter Zijlstra <peterz@infradead.org> - 2017-03-15 13:30 +0100
                Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-16 07:00 +0100
                Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-16 06:50 +0100
      Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of  perf_mem_data_src Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-07 13:50 +0100
  [PATCH v2 6/6] powerpc/perf: Add Power8 mem_access event to sysfs Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-06 15:10 +0100
  [PATCH v2 4/6] powerpc/perf: Support to export SIERs bit in Power8 Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-03-06 16:00 +0100

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