linux-kernel - [PATCH 0/3] powerpc/sstep: Fix kernel crash if VSX is not present

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Message-Id: <20180521042108.8318-1-ravi.bangoria@linux.ibm.com>
Date:   Mon, 21 May 2018 09:51:05 +0530
From:   Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
To:     mpe@...erman.id.au, mikey@...ling.org
Cc:     benh@...nel.crashing.org, paulus@...ba.org,
        naveen.n.rao@...ux.vnet.ibm.com, matthew.brown.dev@...il.com,
        cyrilbur@...il.com, anton@...ba.org, sandipan@...ux.vnet.ibm.com,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
Subject: [PATCH 0/3] powerpc/sstep: Fix kernel crash if VSX is not present

This is a next version to RFC patch:
  https://lkml.org/lkml/2018/5/16/36

kbuild test robot reported the following build failure with RFC.

   error: unused variable 'type' [-Werror=unused-variable]
     int type;
         ^~~~

I've fixed it along with following changes.

1st patch introduces a new macro to simplify code a bit.
2nd patch fixes the kernel crash when VSX is not supported
    or disabled.
3rd patch fixes emulate_step() tests

Ravi Bangoria (3):
  powerpc/sstep: Introduce GETTYPE macro
  powerpc/sstep: Fix kernel crash if VSX is not present
  powerpc/sstep: Fix emulate_step test if VSX not present

 arch/powerpc/include/asm/sstep.h     |  2 ++
 arch/powerpc/kernel/align.c          |  2 +-
 arch/powerpc/lib/sstep.c             | 15 ++++++++++++---
 arch/powerpc/lib/test_emulate_step.c | 21 +++++++++++++++------
 4 files changed, 30 insertions(+), 10 deletions(-)

-- 
2.16.2