From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by ozlabs.org (Postfix) with ESMTP id D6B6A2C01C2 for ; Thu, 16 May 2013 21:12:05 +1000 (EST) Date: Thu, 16 May 2013 14:10:48 +0300 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Subject: [PATCH v2 03/10] frv: uaccess s/might_sleep/might_fault/ Message-ID: <89d860b7fb23b35e6a15beda9df6ebccf820a2f6.1368702323.git.mst@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Cc: linux-m32r-ja@ml.linux-m32r.org, kvm@vger.kernel.org, Peter Zijlstra , Catalin Marinas , Will Deacon , David Howells , linux-mm@kvack.org, Paul Mackerras , "H. Peter Anvin" , linux-arch@vger.kernel.org, linux-am33-list@redhat.com, Hirokazu Takata , x86@kernel.org, Ingo Molnar , Arnd Bergmann , microblaze-uclinux@itee.uq.edu.au, Chris Metcalf , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Michal Simek , linux-m32r@ml.linux-m32r.org, Koichi Yasutake , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The only reason uaccess routines might sleep is if they fault. Make this explicit. Signed-off-by: Michael S. Tsirkin --- arch/frv/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h index 0b67ec5..3ac9a59 100644 --- a/arch/frv/include/asm/uaccess.h +++ b/arch/frv/include/asm/uaccess.h @@ -280,14 +280,14 @@ extern long __memcpy_user(void *dst, const void *src, unsigned long count); static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) { - might_sleep(); + might_fault(); return __copy_to_user_inatomic(to, from, n); } static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) { - might_sleep(); + might_fault(); return __copy_from_user_inatomic(to, from, n); } -- MST