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Date:   Tue, 28 Aug 2018 08:22:40 +0200
From:   Thomas-Mich Richter <>
To:     Kim Phillips <>,
        Arnaldo Carvalho de Melo <>
Cc:     Peter Zijlstra <>,
        Ingo Molnar <>,
        Alexander Shishkin <>,
        Jiri Olsa <>,
        Namhyung Kim <>,
        Thomas Gleixner <>,
        Greg Kroah-Hartman <>,
        Thomas Richter <>,
        Hendrik Brueckner <>,,,
        perf group <>
Subject: Re: [PATCH] perf annotate: Handle arm64 move instructions

On 08/27/2018 10:08 PM, Kim Phillips wrote:
> Add default handler for non-jump instructions.  This really only has an
> effect on instructions that compute a PC-relative address, such as 'adrp,'
> as seen in these couple of examples:
> BEFORE: adrp   x0, ffff20000aa11000 <kallsyms_token_index+0xce000>
> AFTER:  adrp   x0, kallsyms_token_index+0xce000
> BEFORE: adrp   x23, ffff20000ae94000 <__per_cpu_load>
> AFTER:  adrp   x23, __per_cpu_load
> The implementation is identical to that of s390, but with a slight
> adjustment for objdump whitespace propagation (arm64 objdump puts
> spaces after commas, whereas s390's presumably doesn't).
> The mov__scnprintf() declaration is moved from s390's to arm64's
> instructions.c because arm64's gets included before s390's.

Tested-by: Thomas Richter <>

Thomas Richter, Dept 3303, IBM s390 Linux Development, Boeblingen, Germany
Vorsitzende des Aufsichtsrats: Martina Koederitz 
Geschäftsführung: Dirk Wittkopp
Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294

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