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Date:   Tue, 14 Aug 2018 09:27:26 +0200
From:   Jiri Olsa <jolsa@redhat.com>
To:     Michael Ellerman <mpe@ellerman.id.au>
Cc:     Jiri Olsa <jolsa@kernel.org>, Ingo Molnar <mingo@kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        namhyung@kernel.org, dsahern@gmail.com,
        alexander.shishkin@linux.intel.com, linux-kernel@vger.kernel.org,
        alexander.kapshuk@gmail.com
Subject: Re: [PATCH 1/2] perf tools: Make check-headers.sh check based on
 kernel dir
Message-ID: <20180814072726.GA13931@krava>
References: <20180811083915.17471-1-alexander.kapshuk@gmail.com>
 <20180813111504.3568-1-jolsa@kernel.org>
 <87mutplnwk.fsf@concordia.ellerman.id.au>
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On Tue, Aug 14, 2018 at 11:47:39AM +1000, Michael Ellerman wrote:
> Jiri Olsa <jolsa@kernel.org> writes:
> > diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
> > index ea48aa6f8d19..9d466e853aec 100755
> > --- a/tools/perf/check-headers.sh
> > +++ b/tools/perf/check-headers.sh
> > @@ -88,6 +88,8 @@ check () {
> >  # differences.
> >  test -d ../../include || exit 0
> >  
> > +pushd ../.. > /dev/null
> > +
> >  # simple diff check
> >  for i in $HEADERS; do
> >    check $i -B
> 
> This breaks the build when sh is not bash:
> 
>   ./check-headers.sh: 91: ./check-headers.sh: pushd: not found
>   ./check-headers.sh: 107: ./check-headers.sh: popd: not found
>   Makefile.perf:205: recipe for target 'sub-make' failed

sry.. Arnaldo, would you change it for simple cd (attached below)
or should I send the fix?

thanks,
jirka


---
diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index 80bf84803677..466540ee8ea7 100755
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -88,7 +88,7 @@ check () {
 # differences.
 test -d ../../include || exit 0
 
-pushd ../.. > /dev/null
+cd ../..
 
 # simple diff check
 for i in $HEADERS; do
@@ -104,4 +104,4 @@ check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
 # diff non-symmetric files
 check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
 
-popd > /dev/null
+cd tools/perf