From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZqaIfW2jGVgQRv5BSXyzHm0vIGHgeEJ1PvMhwrKH+5T9056Pv+EC/44Z7d0BAsTWTKTNcvB ARC-Seal: i=1; a=rsa-sha256; t=1525515441; cv=none; d=google.com; s=arc-20160816; b=X5GQsF1N1ObyqUbqHsQ7pR+eVkwSNPVLdN2VdjCwmN2bAOIWMDt4dD789W5g/0ZwAF hSzjI+tf7QMUqeboNd3KR5xn4/7ujt8iu52hJZ+N7JFowvYMUausiWr+xRYQjBN4oHgH +bmUksVuq3anNGgIvaMx5xV6cYqqzkW/mPYn1kQ+uwYCxYwuqT1DrCq1MUP/zyY7476L zZDrs82VZNyw1RxobtR0z3RHyHKwODKDeg/122Ul5EjfQNIoX6lWsfvpp+qX873FvINZ MvUuezSURBYoYdX0gJPH0fpvxoOdqsD6ZhVpRQXPyEDGcktOrwxKOVhkNXolGM3OL0dF hHFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:subject:message-id:date:from:mime-version:dkim-signature :dkim-filter:arc-authentication-results; bh=ObLjelU2pM1ELEKn0GZpF8dj+Shl5YyeJhWs5iHDwyY=; b=x5q7BtTbpu2PJPohCJaqwkRF3ijtOc+5kWzbhBEjvDPb6i09hf3rEyS6tYERs6Xg1f m47oEuWpSjCG2IorvIV1ausnaBEDhQMGlNbBB8hTvm/ovFl8Gi1llhNoqwMQsUiI4bx1 MUfmoFRrRjgYKUu+D9nZkniWngEuKe/8ZmhK3BmAGnfD52TPa+2oBW1FI4UyZaOhLNmF 9vnXM2x1yNETz5xsJERl0ZbwSxgsVZ4VI2YTC3RnW+czvjkcf2OuXMg5vJmO+k6IcMje JwIKsRYuA2TQGoqD0BqKULVN3PJXI9B6wnradJeA10dZ9yndUFFnSzufka/5crLClo01 Iuqw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=hWVgV8Jc; spf=softfail (google.com: domain of transitioning yamada.masahiro@socionext.com does not designate 210.131.2.82 as permitted sender) smtp.mailfrom=yamada.masahiro@socionext.com Authentication-Results: mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=hWVgV8Jc; spf=softfail (google.com: domain of transitioning yamada.masahiro@socionext.com does not designate 210.131.2.82 as permitted sender) smtp.mailfrom=yamada.masahiro@socionext.com DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-03.nifty.com w45AGsmT027121 X-Nifty-SrcIP: [209.85.213.44] MIME-Version: 1.0 From: Masahiro Yamada Date: Sat, 5 May 2018 19:16:13 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: [RFC] Removal of CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX To: Linus Torvalds , Arnd Bergmann , linux-arch Cc: Linux Kbuild mailing list , Linux Kernel Mailing List , Steven Miao , James Hogan , Andrew Morton , Greg Kroah-Hartman Content-Type: text/plain; charset="UTF-8" X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1599618878977275794?= X-GMAIL-MSGID: =?utf-8?q?1599618878977275794?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Hi. CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX was selected by BLACKFIN and METAG. Now that both architectures removed in the previous merge window, there is no more user of this CONFIG option. My question is, is it OK to remove CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX entirely? In other words, - Is there possibility to revive Blackfin/Metag support? - Do future architectures need HAVE_UNDERSCORE_SYMBOL_PREFIX? I guess (hope) they are unlikely to happen. If we can remove CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX, several tools (modpost, genksyms, adjust_autoksyms.sh, etc.) will be simplified. Also, VMLINUX_SYMBOL() in include/asm-generic/vmlinux.lds.h can be removed. So, the linker script will become more readable. Is it OK to move forward the clean-ups? Comments are appreciated. -- Best Regards Masahiro Yamada