[PATCH v2] perf: Fix build break on powerpc due to sample_reg_masks

[Jiri Olsa]

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 at linux.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 at linux.vnet.ibm.com>

Acked-by: Jiri Olsa <jolsa at kernel.org>

thanks,
jirka