From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756449AbcEXSFn (ORCPT ); Tue, 24 May 2016 14:05:43 -0400 Received: from foss.arm.com ([217.140.101.70]:59001 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965007AbcEXRz7 (ORCPT ); Tue, 24 May 2016 13:55:59 -0400 From: Robin Murphy To: will.deacon@arm.com, catalin.marinas@arm.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] arm64: Remove orphaned __addr_ok() definition Date: Tue, 24 May 2016 18:55:40 +0100 Message-Id: <4656e09e40e832b2690fb0280975c70a541fb7ef.1464111462.git.robin.murphy@arm.com> X-Mailer: git-send-email 2.8.1.dirty Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since commit 12a0ef7b0ac3 ("arm64: use generic strnlen_user and strncpy_from_user functions"), the definition of __addr_ok() has been languishing unused; eradicate the sucker. CC: Will Deacon CC: Catalin Marinas Signed-off-by: Robin Murphy --- arch/arm64/include/asm/uaccess.h | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h index 0685d74572af..9e397a542756 100644 --- a/arch/arm64/include/asm/uaccess.h +++ b/arch/arm64/include/asm/uaccess.h @@ -81,19 +81,6 @@ static inline void set_fs(mm_segment_t fs) #define segment_eq(a, b) ((a) == (b)) /* - * Return 1 if addr < current->addr_limit, 0 otherwise. - */ -#define __addr_ok(addr) \ -({ \ - unsigned long flag; \ - asm("cmp %1, %0; cset %0, lo" \ - : "=&r" (flag) \ - : "r" (addr), "0" (current_thread_info()->addr_limit) \ - : "cc"); \ - flag; \ -}) - -/* * Test whether a block of memory is a valid user space address. * Returns 1 if the range is valid, 0 otherwise. * -- 2.8.1.dirty