linux-kernel - Re: [PATCH v4 1/4] tools: arm64: Import cputype.h

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Date:   Sat, 26 Mar 2022 13:49:56 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Ali Saidi <alisaidi@...zon.com>, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, german.gomez@....com,
        benh@...nel.crashing.org, Nick.Forrington@....com,
        alexander.shishkin@...ux.intel.com, andrew.kilroy@....com,
        james.clark@....com, john.garry@...wei.com, jolsa@...nel.org,
        kjain@...ux.ibm.com, lihuafei1@...wei.com, mark.rutland@....com,
        mathieu.poirier@...aro.org, mingo@...hat.com, namhyung@...nel.org,
        peterz@...radead.org, will@...nel.org
Subject: Re: [PATCH v4 1/4] tools: arm64: Import cputype.h

Hi Arnaldo, Ali,

On Fri, Mar 25, 2022 at 04:42:32PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Mar 25, 2022 at 03:39:44PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Thu, Mar 24, 2022 at 06:33:20PM +0000, Ali Saidi escreveu:
> > > Bring-in the kernel's arch/arm64/include/asm/cputype.h into tools/
> > > for arm64 to make use of all the core-type definitions in perf.
> 
> > > Replace sysreg.h with the version already imported into tools/.
>  
> > You forgot to add it to tools/perf/check-headers.sh so that we get
> > notificed when the original file in the kernel sources gets updated, so
> > that we can check if this needs any tooling adjustments.
>  
> > I'll add the entry together with the waiver for this specific
> > difference.
> 
> This:
> 
> diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
> index 30ecf3a0f68b6830..6ee44b18c6b57cf1 100755
> --- a/tools/perf/check-headers.sh
> +++ b/tools/perf/check-headers.sh
> @@ -146,6 +146,7 @@ done
>  check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memcpy_\(erms\|orig\))"'
>  check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
>  check arch/x86/include/asm/amd-ibs.h  '-I "^#include [<\"]\(asm/\)*msr-index.h"'
> +check arch/arm64/include/asm/cputype.h '-I "^#include [<\"]\(asm/\)*sysreg.h"'
>  check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
>  check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
>  check include/linux/build_bug.h       '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"'

LGTM.  I did the testing on both my x86 and Arm64 platforms, thanks for
the fixing up.

Thanks,
Leo