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Date: Sun, 17 Nov 2019 18:18:37 -0800 From: hpa@...or.com To: Shile Zhang <shile.zhang@...ux.alibaba.com>, Peter Zijlstra <peterz@...radead.org>, Josh Poimboeuf <jpoimboe@...hat.com>, Masahiro Yamada <yamada.masahiro@...ionext.com>, Michal Marek <michal.lkml@...kovi.net>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, x86@...nel.org CC: linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org Subject: Re: [RFC PATCH v4 0/7] Speed booting by sorting ORC unwind tables at build time On November 15, 2019 8:45:32 AM PST, Shile Zhang <shile.zhang@...ux.alibaba.com> wrote: >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 Any actual time measurements? -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
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