linux-kernel - Re: [PATCH v2] perf: Fix build break on powerpc due to sample_reg

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Date:	Wed, 30 Sep 2015 16:45:35 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	eranian@...gle.com, naveen.n.rao@...ux.vnet.ibm.com,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org
Subject: Re: [PATCH v2] perf: Fix build break on powerpc due to
 sample_reg_masks

Em Wed, Sep 30, 2015 at 09:09:09PM +0200, Jiri Olsa escreveu:
> On Wed, Sep 30, 2015 at 11:28:36AM -0700, Sukadev Bhattiprolu wrote:
> > From e29aeeee7236122c4d807ec9ebc721b5d7d75c8d Mon Sep 17 00:00:00 2001
> > From: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
> > Date: Thu, 24 Sep 2015 17:53:49 -0400
> > Subject: [PATCH v2] perf: Fix build break on powerpc due to sample_reg_masks
> > 
> > perf_regs.c does not get built on Powerpc as CONFIG_PERF_REGS is false.
> > So the weak definition for 'sample_regs_masks' doesn't get picked up.
> > 
> > Adding perf_regs.o to util/Build unconditionally, exposes a redefinition
> > error for 'perf_reg_value()' function (due to the static inline version
> > in util/perf_regs.h). So use #ifdef HAVE_PERF_REGS_SUPPORT' around that
> > function.
> > 
> > Signed-off-by: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
> 
> Acked-by: Jiri Olsa <jolsa@...nel.org>

Thanks, applied.

- Arnaldo
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