From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com ([143.182.124.21]:51768 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752954Ab2HSC51 (ORCPT ); Sat, 18 Aug 2012 22:57:27 -0400 From: Andi Kleen Subject: [PATCH 27/74] lto: Mark EXPORT_SYMBOL symbols __visible Date: Sat, 18 Aug 2012 19:56:23 -0700 Message-Id: <1345345030-22211-28-git-send-email-andi@firstfloor.org> In-Reply-To: <1345345030-22211-1-git-send-email-andi@firstfloor.org> References: <1345345030-22211-1-git-send-email-andi@firstfloor.org> Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org Cc: x86@kernel.org, mmarek@suse.cz, linux-kbuild@vger.kernel.org, JBeulich@suse.com, akpm@linux-foundation.org, Andi Kleen From: Andi Kleen Signed-off-by: Andi Kleen --- include/linux/export.h | 14 ++++++++------ 1 files changed, 8 insertions(+), 6 deletions(-) diff --git a/include/linux/export.h b/include/linux/export.h index 696c0f4..784617e 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -47,7 +47,7 @@ extern struct module __this_module; /* For every exported symbol, place a struct in the __ksymtab section */ #define __EXPORT_SYMBOL(sym, sec) \ - extern typeof(sym) sym; \ + extern typeof(sym) sym __visible; \ __CRC_SYMBOL(sym, sec) \ static const char __kstrtab_##sym[] \ __attribute__((section("__ksymtab_strings"), aligned(1))) \ @@ -78,11 +78,13 @@ extern struct module __this_module; #else /* !CONFIG_MODULES... */ -#define EXPORT_SYMBOL(sym) -#define EXPORT_SYMBOL_GPL(sym) -#define EXPORT_SYMBOL_GPL_FUTURE(sym) -#define EXPORT_UNUSED_SYMBOL(sym) -#define EXPORT_UNUSED_SYMBOL_GPL(sym) +/* Even without modules keep the __visible side effect */ + +#define EXPORT_SYMBOL(sym) extern typeof(sym) sym __visible +#define EXPORT_SYMBOL_GPL(sym) extern typeof(sym) sym __visible +#define EXPORT_SYMBOL_GPL_FUTURE(sym) extern typeof(sym) sym __visible +#define EXPORT_UNUSED_SYMBOL(sym) extern typeof(sym) sym __visible +#define EXPORT_UNUSED_SYMBOL_GPL(sym) extern typeof(sym) sym __visible #endif /* CONFIG_MODULES */ -- 1.7.7.6