From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out30-57.freemail.mail.aliyun.com ([115.124.30.57]:39824 "EHLO out30-57.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727543AbfKOQpv (ORCPT ); Fri, 15 Nov 2019 11:45:51 -0500 From: Shile Zhang Subject: [RFC PATCH v4 0/7] Speed booting by sorting ORC unwind tables at build time Date: Sat, 16 Nov 2019 00:45:32 +0800 Message-Id: <20191115164539.57930-1-shile.zhang@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: Peter Zijlstra , Josh Poimboeuf , Masahiro Yamada , Michal Marek , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org Cc: "H . Peter Anvin" , linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, Shile Zhang Hi, I refactored the code, followed by Peter's suggestions in v3, thank you! Any suggestions and comments are welcome! Thanks! Changelog: ========== v3->v4: - Code refactored for Peter's review findings and suggestions. v2->v3: - Discard new added sortorctable tool and related Kconfig changes. - Refactored sortextable, makes it more readable and extendable. - Rename 'sortextable' to 'sorttable', for more kernel tables extend. - Add ORC unwind tables sort into sorttable. - Remove the runtime ORC tables sort. https://lore.kernel.org/lkml/20191115064750.47888-1-shile.zhang@linux.alibaba.com/ v1->v2: - Removed new added Kconfig and runtime sort code, advised by Josh Poimboeuf. - Some minor refactoring. https://lore.kernel.org/lkml/20191108071108.72132-1-shile.zhang@linux.alibaba.com/ v1: - Added a new sortorctable tool to sort ORC unwind tables at build time, same as sortextable. - Add a new Kconfigure to control if ORC unwind tables sort at build time. https://lore.kernel.org/lkml/20191107143205.206606-1-shile.zhang@linux.alibaba.com/ Shile Zhang (7): scripts/sortextable: Rewrite error/success handling scripts/sortextable: kernel coding style formating scripts/sortextable: Remove dead code scripts/sortextable: refactor do_func() function scripts/sorttable: rename sortextable to sorttable scripts/sorttable: Add ORC unwind tables sort concurrently x86/unwind/orc: remove run-time ORC unwind tables sort arch/arc/Kconfig | 2 +- arch/arm/Kconfig | 2 +- arch/arm64/Kconfig | 2 +- arch/microblaze/Kconfig | 2 +- arch/mips/Kconfig | 2 +- arch/parisc/Kconfig | 2 +- arch/parisc/kernel/vmlinux.lds.S | 2 +- arch/powerpc/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/unwind_orc.c | 8 +- arch/xtensa/Kconfig | 2 +- init/Kconfig | 2 +- scripts/.gitignore | 2 +- scripts/Makefile | 10 +- scripts/link-vmlinux.sh | 10 +- scripts/sortextable.h | 209 ------------- scripts/{sortextable.c => sorttable.c} | 299 +++++++++--------- scripts/sorttable.h | 401 +++++++++++++++++++++++++ 19 files changed, 568 insertions(+), 395 deletions(-) delete mode 100644 scripts/sortextable.h rename scripts/{sortextable.c => sorttable.c} (67%) create mode 100644 scripts/sorttable.h -- 2.24.0.rc2