From: Huaixin Chang <changhuaixin@linux.alibaba.com>
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
Subject: [PATCH 0/2] Build ORC fast lookup table in scripts/sorttable tool
Date: Wed, 29 Apr 2020 14:46:24 +0800 [thread overview]
Message-ID: <20200429064626.16389-1-changhuaixin@linux.alibaba.com> (raw)
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
next reply other threads:[~2020-04-29 6:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-29 6:46 Huaixin Chang [this message]
2020-04-29 6:46 ` [PATCH 1/2] scripts/sorttable: Build orc fast lookup table via sorttable tool Huaixin Chang
2020-04-29 6:46 ` [PATCH 2/2] x86/unwind/orc: Remove unwind_init() from x86 boot Huaixin Chang
2020-04-29 8:49 ` [PATCH 0/2] Build ORC fast lookup table in scripts/sorttable tool Peter Zijlstra
2020-04-30 2:32 ` changhuaixin
2020-04-30 4:06 ` Josh Poimboeuf
2020-04-30 4:10 ` Josh Poimboeuf
2020-05-22 18:28 ` Josh Poimboeuf
2020-05-25 3:33 ` changhuaixin
[not found] ` <482837A8-E9D9-4229-B7B1-8E14403FB2AC@linux.alibaba.com>
2020-06-01 17:38 ` Josh Poimboeuf
2020-06-03 13:47 ` changhuaixin
2020-06-03 14:31 ` [PATCH v2 0/3] " Huaixin Chang
2020-06-03 14:31 ` [PATCH 1/3] scripts/sorttable: Change section type of orc_lookup to SHT_PROGBITS Huaixin Chang
2020-06-03 14:31 ` [PATCH 2/3] scripts/sorttable: Build orc fast lookup table via sorttable tool Huaixin Chang
2020-06-03 14:31 ` [PATCH 3/3] x86/unwind/orc: Simplify unwind_init() for x86 boot Huaixin Chang
2020-06-03 14:39 ` [PATCH v3 0/3] Build ORC fast lookup table in scripts/sorttable tool Huaixin Chang
2020-06-03 14:39 ` [PATCH 1/3] scripts/sorttable: Change section type of orc_lookup to SHT_PROGBITS Huaixin Chang
2020-06-03 14:39 ` [PATCH 2/3] scripts/sorttable: Build orc fast lookup table via sorttable tool Huaixin Chang
2020-06-03 14:39 ` [PATCH 3/3] x86/unwind/orc: Simplify unwind_init() for x86 boot Huaixin Chang
2020-06-29 2:14 ` [PATCH v3 0/3] Build ORC fast lookup table in scripts/sorttable tool changhuaixin
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