From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752650AbaBEOwF (ORCPT ); Wed, 5 Feb 2014 09:52:05 -0500 Received: from mail.skyhub.de ([78.46.96.112]:55361 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752600AbaBEOwB (ORCPT ); Wed, 5 Feb 2014 09:52:01 -0500 From: Borislav Petkov To: LKML Cc: Borislav Petkov , Arnaldo Carvalho de Melo , Ingo Molnar , Jiri Olsa , Peter Zijlstra , Robert Richter , David Ahern , Namhyung Kim Subject: [PATCH 3/3] perf: Drop prefetch.h Date: Wed, 5 Feb 2014 15:51:54 +0100 Message-Id: <1391611914-26054-4-git-send-email-bp@alien8.de> X-Mailer: git-send-email 1.8.5.2.192.g7794a68 In-Reply-To: <1391611914-26054-1-git-send-email-bp@alien8.de> References: <1391611914-26054-1-git-send-email-bp@alien8.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov This was needed at the time before e66eed651fd1 ("list: remove prefetching from regular list iterators") where the list iterators did prefetch elements. This turned out to be counter-productive and hurt performance and they were removed. Which makes the prefetch.h header unused so drop it. Signed-off-by: Borislav Petkov --- tools/perf/Makefile.perf | 1 - tools/perf/util/include/linux/list.h | 1 - tools/perf/util/include/linux/prefetch.h | 6 ------ 3 files changed, 8 deletions(-) delete mode 100644 tools/perf/util/include/linux/prefetch.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 1afe52f72d1c..f4f2c3a3c094 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -219,7 +219,6 @@ LIB_H += util/include/linux/kernel.h LIB_H += util/include/linux/list.h LIB_H += util/include/linux/export.h LIB_H += util/include/linux/poison.h -LIB_H += util/include/linux/prefetch.h LIB_H += util/include/linux/rbtree.h LIB_H += util/include/linux/rbtree_augmented.h LIB_H += util/include/linux/string.h diff --git a/tools/perf/util/include/linux/list.h b/tools/perf/util/include/linux/list.h index 1d928a0ce997..bfe0a2afd0d2 100644 --- a/tools/perf/util/include/linux/list.h +++ b/tools/perf/util/include/linux/list.h @@ -1,5 +1,4 @@ #include -#include #include "../../../../include/linux/list.h" diff --git a/tools/perf/util/include/linux/prefetch.h b/tools/perf/util/include/linux/prefetch.h deleted file mode 100644 index 7841e485d8c3..000000000000 --- a/tools/perf/util/include/linux/prefetch.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef PERF_LINUX_PREFETCH_H -#define PERF_LINUX_PREFETCH_H - -static inline void prefetch(void *a __attribute__((unused))) { } - -#endif -- 1.8.5.2.192.g7794a68