From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752083AbcCJOYS (ORCPT ); Thu, 10 Mar 2016 09:24:18 -0500 Received: from unicorn.mansr.com ([81.2.72.234]:55552 "EHLO unicorn.mansr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751579AbcCJOYK (ORCPT ); Thu, 10 Mar 2016 09:24:10 -0500 From: Mans Rullgard To: Haavard Skinnemoen , Hans-Christian Egtvedt Cc: Andy Shevchenko , Guenter Roeck , Sudip Mukherjee , linux-kernel@vger.kernel.org Subject: [PATCH] avr32: fix asm operand constraint in cmpxchg() Date: Thu, 10 Mar 2016 14:23:49 +0000 Message-Id: <1457619829-27105-1-git-send-email-mans@mansr.com> X-Mailer: git-send-email 2.7.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If the 'old' operand to cmpxchg() is a constant wider than 21 bits, linking fails with a "relocation truncated to fit: R_AVR32_21S" error. Fix this by replacing the "i" constraint with "Ks21" which makes the compiler use a temporary register for out of range constants. Signed-off-by: Mans Rullgard --- This fixes link errors in linux-next with CONFIG_AIO_THREAD enabled. --- arch/avr32/include/asm/cmpxchg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/avr32/include/asm/cmpxchg.h b/arch/avr32/include/asm/cmpxchg.h index 366bbeaeb405..572739b4c4b4 100644 --- a/arch/avr32/include/asm/cmpxchg.h +++ b/arch/avr32/include/asm/cmpxchg.h @@ -57,7 +57,7 @@ static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old, " brne 1b\n" "2:\n" : [ret] "=&r"(ret), [m] "=m"(*m) - : "m"(m), [old] "ir"(old), [new] "r"(new) + : "m"(m), [old] "Ks21r"(old), [new] "r"(new) : "memory", "cc"); return ret; } -- 2.7.2