linux-kernel - Build failure due to Intel PT

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Message-ID: <20150824185131.GA6606@us.ibm.com>
Date:	Mon, 24 Aug 2015 11:51:31 -0700
From:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>, adrian.hunter@...el.com
Cc:	linux-kernel@...r.kernel.org
Subject: Build failure due to Intel PT


I am trying to build perf tool on Powerpc and get this:

util/intel-pt-decoder/intel-pt-insn-decoder.c: In function ‘intel_pt_insn_decoder’:
util/intel-pt-decoder/intel-pt-insn-decoder.c:138:3: error: switch missing default case [-Werror=switch-default]
   switch (insn->immediate.nbytes) {
   ^
cc1: all warnings being treated as errors

Besides adding a 'default' case, can this file be skipped when building on
non-x86 architectures?

I am on the perf/core branch, with HEAD pointing to:

	commit c0b4dffbc529244d3e4e3bd392f2bffa2d8531a7
	Author: Arnaldo Carvalho de Melo <acme@...hat.com>
	Date:   Mon Aug 24 13:33:14 2015 -0300

	perf annotate: Reset the dso find_symbol cache when removing symbols

Sukadev

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