Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752979AbYFYVpx (ORCPT ); Wed, 25 Jun 2008 17:45:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754959AbYFYVpk (ORCPT ); Wed, 25 Jun 2008 17:45:40 -0400 Received: from e5.ny.us.ibm.com ([32.97.182.145]:33880 "EHLO e5.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754957AbYFYVpj (ORCPT ); Wed, 25 Jun 2008 17:45:39 -0400 Subject: [patch] x86: shift bits the right way in native_read_tscp From: Max Asbock To: gcosta@redhat.com, tglx , mingo , hpa Cc: linux-kernel@vger.kernel.org Content-Type: text/plain Date: Wed, 25 Jun 2008 14:45:28 -0700 Message-Id: <1214430328.20425.20.camel@w-amax.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.22.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 895 Lines: 28 native_read_tscp shifts the bits in the high order value in the wrong direction, the attached patch fixes that. Signed-off-by: Max Asbock diff -pburN linux/include/asm-x86/msr.h linux.rdtscp/include/asm-x86/msr.h --- linux/include/asm-x86/msr.h 2008-06-20 11:51:17.000000000 -0700 +++ linux.rdtscp/include/asm-x86/msr.h 2008-06-25 14:26:35.000000000 -0700 @@ -18,7 +18,7 @@ static inline unsigned long long native_ unsigned long low, high; asm volatile(".byte 0x0f,0x01,0xf9" : "=a" (low), "=d" (high), "=c" (*aux)); - return low | ((u64)high >> 32); + return low | ((u64)high << 32); } /* --- Max -- 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/