From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:54886 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751168AbeBTIre (ORCPT ); Tue, 20 Feb 2018 03:47:34 -0500 Subject: Patch "compiler-gcc.h: Introduce __optimize function attribute" has been added to the 4.9-stable tree To: geert@linux-m68k.org, ard.biesheuvel@linaro.org, gregkh@linuxfoundation.org, herbert@gondor.apana.org.au Cc: , From: Date: Tue, 20 Feb 2018 09:47:27 +0100 Message-ID: <15191164473994@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled compiler-gcc.h: Introduce __optimize function attribute to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: compiler-gcc.h-introduce-__optimize-function-attribute.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From df5d45aa08f848b79caf395211b222790534ccc7 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 1 Feb 2018 11:21:58 +0100 Subject: compiler-gcc.h: Introduce __optimize function attribute From: Geert Uytterhoeven commit df5d45aa08f848b79caf395211b222790534ccc7 upstream. Create a new function attribute __optimize, which allows to specify an optimization level on a per-function basis. Signed-off-by: Geert Uytterhoeven Acked-by: Ard Biesheuvel Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- include/linux/compiler-gcc.h | 4 ++++ include/linux/compiler.h | 4 ++++ 2 files changed, 8 insertions(+) --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -187,6 +187,10 @@ #endif /* __CHECKER__ */ #endif /* GCC_VERSION >= 40300 */ +#if GCC_VERSION >= 40400 +#define __optimize(level) __attribute__((__optimize__(level))) +#endif /* GCC_VERSION >= 40400 */ + #if GCC_VERSION >= 40500 #ifndef __CHECKER__ --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -469,6 +469,10 @@ static __always_inline void __write_once # define __native_word(t) (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long)) #endif +#ifndef __optimize +# define __optimize(level) +#endif + /* Compile time object size, -1 for unknown */ #ifndef __compiletime_object_size # define __compiletime_object_size(obj) -1 Patches currently in stable-queue which might be from geert@linux-m68k.org are queue-4.9/compiler-gcc.h-introduce-__optimize-function-attribute.patch