From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out30-57.freemail.mail.aliyun.com ([115.124.30.57]:58852 "EHLO out30-57.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726355AbgD2Gqm (ORCPT ); Wed, 29 Apr 2020 02:46:42 -0400 From: Huaixin Chang Subject: [PATCH 0/2] Build ORC fast lookup table in scripts/sorttable tool Date: Wed, 29 Apr 2020 14:46:24 +0800 Message-Id: <20200429064626.16389-1-changhuaixin@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org Cc: bp@alien8.de, hpa@zytor.com, jpoimboe@redhat.com, luto@amacapital.net, michal.lkml@markovi.net, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, x86@kernel.org, yamada.masahiro@socionext.com Move building of fast lookup table from boot to sorttable tool. This saves us 6380us boot time on Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz with cores. Huaixin Chang (2): scripts/sorttable: Build orc fast lookup table via sorttable tool x86/unwind/orc: Remove unwind_init() from x86 boot arch/x86/include/asm/unwind.h | 2 - arch/x86/kernel/setup.c | 2 - arch/x86/kernel/unwind_orc.c | 51 ---------------------- scripts/sorttable.h | 99 ++++++++++++++++++++++++++++++++++++++++--- 4 files changed, 92 insertions(+), 62 deletions(-) -- 2.14.4.44.g2045bb6