linux-kernel - [PATCH 0/4] x86: entry.S cleanup

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Message-Id: <1420734315-30943-1-git-send-email-dvlasenk@redhat.com>
Date:	Thu,  8 Jan 2015 17:25:11 +0100
From:	Denys Vlasenko <dvlasenk@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Denys Vlasenko <dvlasenk@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andy Lutomirski <luto@...capital.net>,
	Frederic Weisbecker <fweisbec@...il.com>,
	X86 ML <x86@...nel.org>, Alexei Starovoitov <ast@...mgrid.com>,
	Will Drewry <wad@...omium.org>,
	Kees Cook <keescook@...omium.org>
Subject: [PATCH 0/4] x86: entry.S cleanup

This is the first part of a bigger patch set I posted last August,
then under title of "x86: entry.S optimizations".

I fully rebased that patch set to Linus tree, but currently
Linus and -next are diverging a bit in arch/x86/kernel/entry_64.S

To make it easier for mainteiners, I'm splitting the old patch set
into more digestible parts.

This is the first set. These four patches apply both to Linus and -next.
They do not contain any substantial code changes.
Patches 2 and 4 don't result in any actual code changes.

CC: Linus Torvalds <torvalds@...ux-foundation.org>
CC: Oleg Nesterov <oleg@...hat.com>
CC: "H. Peter Anvin" <hpa@...or.com>
CC: Andy Lutomirski <luto@...capital.net>
CC: Frederic Weisbecker <fweisbec@...il.com>
CC: X86 ML <x86@...nel.org>
CC: Alexei Starovoitov <ast@...mgrid.com>
CC: Will Drewry <wad@...omium.org>
CC: Kees Cook <keescook@...omium.org>
CC: linux-kernel@...r.kernel.org

Denys Vlasenko (4):
  x86: entry_64.S: delete unused code
  x86: ia32entry.S: fix wrong symbolic constant usage: R11->ARGOFFSET
  x86: open-code register save/restore in trace_hardirqs thunks
  x86: entry_64.S: fold SAVE_ARGS_IRQ macro into its sole user

 arch/x86/ia32/ia32entry.S      |   4 +-
 arch/x86/include/asm/calling.h |   1 -
 arch/x86/kernel/entry_64.S     | 122 ++++++++++++++---------------------------
 arch/x86/lib/thunk_64.S        |  29 ++++++++--
 4 files changed, 68 insertions(+), 88 deletions(-)

-- 
1.8.1.4

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