From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752327AbaCBJWA (ORCPT ); Sun, 2 Mar 2014 04:22:00 -0500 Received: from www84.your-server.de ([213.133.104.84]:48039 "EHLO www84.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751522AbaCBJU5 (ORCPT ); Sun, 2 Mar 2014 04:20:57 -0500 From: Stefani Seibold To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, x86@kernel.org, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, ak@linux.intel.com, aarcange@redhat.com, john.stultz@linaro.org, luto@amacapital.net, xemul@parallels.com, gorcunov@openvz.org, andriy.shevchenko@linux.intel.com Cc: Martin.Runge@rohde-schwarz.com, Andreas.Brief@rohde-schwarz.com, Stefani Seibold Subject: [PATCH v21 07/12] introduce VVAR marco for vdso32 Date: Sun, 2 Mar 2014 10:20:15 +0100 Message-Id: <1393752020-6740-8-git-send-email-stefani@seibold.net> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1393752020-6740-1-git-send-email-stefani@seibold.net> References: <1393752020-6740-1-git-send-email-stefani@seibold.net> X-Authenticated-Sender: stefani@seibold.net Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch revamp the vvar.h for introduce the VVAR macro for vdso32. Signed-off-by: Stefani Seibold --- arch/x86/include/asm/vvar.h | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/vvar.h b/arch/x86/include/asm/vvar.h index 0a534ea..52c79ff 100644 --- a/arch/x86/include/asm/vvar.h +++ b/arch/x86/include/asm/vvar.h @@ -26,6 +26,15 @@ #else +#ifdef BUILD_VDSO32 + +#define DECLARE_VVAR(offset, type, name) \ + extern type vvar_ ## name __attribute__((visibility("hidden"))); + +#define VVAR(name) (vvar_ ## name) + +#else + extern char __vvar_page; /* Base address of vvars. This is not ABI. */ @@ -39,12 +48,13 @@ extern char __vvar_page; static type const * const vvaraddr_ ## name = \ (void *)(VVAR_ADDRESS + (offset)); +#define VVAR(name) (*vvaraddr_ ## name) +#endif + #define DEFINE_VVAR(type, name) \ type name \ __attribute__((section(".vvar_" #name), aligned(16))) __visible -#define VVAR(name) (*vvaraddr_ ## name) - #endif /* DECLARE_VVAR(offset, type, name) */ -- 1.9.0