Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932161Ab1FJNKd (ORCPT ); Fri, 10 Jun 2011 09:10:33 -0400 Received: from grimli.r00tworld.net ([83.169.44.195]:43807 "EHLO mail.r00tworld.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757272Ab1FJNKa (ORCPT ); Fri, 10 Jun 2011 09:10:30 -0400 From: Mathias Krause To: Martin Schwidefsky Cc: Andrew Morton , Linus Torvalds , linux390@de.ibm.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Mathias Krause Subject: [PATCH] s390, exec: remove redundant set_fs(USER_DS) Date: Fri, 10 Jun 2011 15:10:28 +0200 Message-Id: <1307711428-15908-1-git-send-email-minipli@googlemail.com> X-Mailer: git-send-email 1.5.6.5 In-Reply-To: References: References: <1307642718-22257-1-git-send-email-minipli@googlemail.com> <20110609155630.0f734351.akpm@linux-foundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1233 Lines: 35 The address limit is already set in flush_old_exec() so those calls to set_fs(USER_DS) are redundant. Signed-off-by: Mathias Krause --- arch/s390/include/asm/processor.h | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 1300c30..4164533 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -118,14 +118,12 @@ struct stack_frame { * Do necessary setup to start up a new thread. */ #define start_thread(regs, new_psw, new_stackp) do { \ - set_fs(USER_DS); \ regs->psw.mask = psw_user_bits; \ regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ regs->gprs[15] = new_stackp; \ } while (0) #define start_thread31(regs, new_psw, new_stackp) do { \ - set_fs(USER_DS); \ regs->psw.mask = psw_user32_bits; \ regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ regs->gprs[15] = new_stackp; \ -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/