From: Fengguang Wu <fengguang.wu@intel.com>
To: kernel-janitors@vger.kernel.org
Subject: arch/x86/include/asm/mc146818rtc.h:44:2: error: implicit declaration of function 'this_cpu_read'
Date: Tue, 02 Oct 2012 14:12:00 +0000 [thread overview]
Message-ID: <20121002141200.GA14146@localhost> (raw)
Hi Arnd,
FYI, kernel build failed on
commit: 72e2c3166db31bbb25654be3985ea662fa141d8e warnings in include/linux/mc146818rtc.h
config: i386-allmodconfig
All error/warnings:
arch/x86/include/asm/mc146818rtc.h:44:17: sparse: undefined identifier 'this_cpu_read'
arch/x86/include/asm/mc146818rtc.h:44:17: sparse: not a function <noident>
In file included from include/linux/mc146818rtc.h:15:0,
from arch/x86/kernel/rtc.c:5:
arch/x86/include/asm/mc146818rtc.h: In function 'lock_cmos':
arch/x86/include/asm/mc146818rtc.h:44:2: error: implicit declaration of function 'this_cpu_read' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
--
In file included from include/linux/mc146818rtc.h:15:0,
from drivers/char/mwave/smapi.c:50:
arch/x86/include/asm/mc146818rtc.h: In function 'lock_cmos':
arch/x86/include/asm/mc146818rtc.h:44:2: error: implicit declaration of function 'this_cpu_read' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
sparse static analyze warnings:
? arch/x86/include/asm/mc146818rtc.h:44:17: sparse: undefined identifier 'this_cpu_read'
? arch/x86/include/asm/mc146818rtc.h:44:17: sparse: not a function <noident>
vim +44 arch/x86/include/asm/mc146818rtc.h
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 41) static inline void lock_cmos(unsigned char reg)
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 42) {
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 43) unsigned long new;
933a4415 include/asm-x86/mc146818rtc.h (Joe Perches 2008-03-23 @44) new = ((smp_processor_id() + 1) << 8) | reg;
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 45) for (;;) {
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 46) if (cmos_lock) {
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 47) cpu_relax();
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 48) continue;
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 49) }
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 50) if (__cmpxchg(&cmos_lock, 0, new, sizeof(cmos_lock)) = 0)
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 51) return;
6ce60b07 include/asm-x86/mc146818rtc.h (Thomas Gleixner 2008-01-30 52) }
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu, Yuanhan Liu Intel Corporation
next reply other threads:[~2012-10-02 14:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-02 14:12 Fengguang Wu [this message]
2012-10-03 14:15 ` arch/x86/include/asm/mc146818rtc.h:44:2: error: implicit declaration of function 'this_cpu_read' Arnd Bergmann
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