linux-kernel - Re: [PATCH 16/18] arch: xtensa: Remove CONFIG

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Date:   Thu, 14 Jan 2021 12:37:45 -0800
From:   Max Filippov <jcmvbkbc@...il.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Robert Richter <rric@...nel.org>,
        Chris Zankel <chris@...kel.net>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Arnd Bergmann <arnd@...nel.org>, oprofile-list@...ts.sf.net,
        William Cohen <wcohen@...hat.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        anmar.oueja@...aro.org, Christoph Hellwig <hch@...radead.org>,
        "open list:TENSILICA XTENSA PORT (xtensa)" 
        <linux-xtensa@...ux-xtensa.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 16/18] arch: xtensa: Remove CONFIG_OPROFILE support

On Thu, Jan 14, 2021 at 3:36 AM Viresh Kumar <viresh.kumar@...aro.org> wrote:
>
> The "oprofile" user-space tools don't use the kernel OPROFILE support
> any more, and haven't in a long time. User-space has been converted to
> the perf interfaces.
>
> Remove the old oprofile's architecture specific support.
>
> Suggested-by: Christoph Hellwig <hch@...radead.org>
> Suggested-by: Linus Torvalds <torvalds@...ux-foundation.org>
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
>  arch/xtensa/Kconfig                         |  1 -
>  arch/xtensa/Makefile                        |  1 -
>  arch/xtensa/configs/audio_kc705_defconfig   |  1 -
>  arch/xtensa/configs/generic_kc705_defconfig |  1 -
>  arch/xtensa/configs/smp_lx200_defconfig     |  1 -
>  arch/xtensa/configs/xip_kc705_defconfig     |  1 -
>  arch/xtensa/kernel/stacktrace.c             |  2 +-
>  arch/xtensa/oprofile/Makefile               | 10 --------
>  arch/xtensa/oprofile/backtrace.c            | 27 ---------------------
>  arch/xtensa/oprofile/init.c                 | 26 --------------------
>  10 files changed, 1 insertion(+), 70 deletions(-)
>  delete mode 100644 arch/xtensa/oprofile/Makefile
>  delete mode 100644 arch/xtensa/oprofile/backtrace.c
>  delete mode 100644 arch/xtensa/oprofile/init.c

Although I still keep userspace oprofile tools that use this interface,
I haven't run them for ages.

Acked-by: Max Filippov <jcmvbkbc@...il.com>

-- 
Thanks.
-- Max