From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756655AbaCLCLt (ORCPT ); Tue, 11 Mar 2014 22:11:49 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:51352 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756027AbaCLCKN (ORCPT ); Tue, 11 Mar 2014 22:10:13 -0400 From: Frederic Weisbecker To: Ingo Molnar , Thomas Gleixner Cc: LKML , Frederic Weisbecker , Marcelo Tosatti , Peter Zijlstra Subject: [PATCH 3/6] cputime: Bring cputime -> nsecs conversion Date: Wed, 12 Mar 2014 03:09:59 +0100 Message-Id: <1394590202-772-4-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1394590202-772-1-git-send-email-fweisbec@gmail.com> References: <1394590202-772-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We already have nsecs_to_cputime(). Now we need to be able to convert the other way around in order to fix a bug on steal time accounting. Cc: Ingo Molnar Cc: Marcelo Tosatti Cc: Peter Zijlstra Cc: Thomas Gleixner Acked-by: Rik van Riel Signed-off-by: Frederic Weisbecker --- include/asm-generic/cputime_jiffies.h | 4 +++- include/asm-generic/cputime_nsecs.h | 2 ++ include/linux/cputime.h | 5 +++++ 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/include/asm-generic/cputime_jiffies.h b/include/asm-generic/cputime_jiffies.h index 272ecba..d5cb78f5 100644 --- a/include/asm-generic/cputime_jiffies.h +++ b/include/asm-generic/cputime_jiffies.h @@ -15,8 +15,10 @@ typedef u64 __nocast cputime64_t; /* - * Convert nanoseconds to cputime + * Convert nanoseconds <-> cputime */ +#define cputime_to_nsecs(__ct) \ + jiffies_to_nsecs(cputime_to_jiffies(__ct)) #define nsecs_to_cputime64(__nsec) \ jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec)) #define nsecs_to_cputime(__nsec) \ diff --git a/include/asm-generic/cputime_nsecs.h b/include/asm-generic/cputime_nsecs.h index 768294f..4e81760 100644 --- a/include/asm-generic/cputime_nsecs.h +++ b/include/asm-generic/cputime_nsecs.h @@ -44,6 +44,8 @@ typedef u64 __nocast cputime64_t; /* * Convert cputime <-> nanoseconds */ +#define cputime_to_nsecs(__ct) \ + (__force u64)(__ct) #define nsecs_to_cputime(__nsecs) \ (__force cputime_t)(__nsecs) diff --git a/include/linux/cputime.h b/include/linux/cputime.h index 2842ebe..f2eb2ee 100644 --- a/include/linux/cputime.h +++ b/include/linux/cputime.h @@ -3,6 +3,11 @@ #include +#ifndef cputime_to_nsecs +# define cputime_to_nsecs(__ct) \ + (cputime_to_usecs(__ct) * NSEC_PER_USEC) +#endif + #ifndef nsecs_to_cputime # define nsecs_to_cputime(__nsecs) \ usecs_to_cputime((__nsecs) / NSEC_PER_USEC) -- 1.8.3.1