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Message-ID: <20230713115831.777-1-thunder.leizhen@huawei.com>
Date: Thu, 13 Jul 2023 19:58:31 +0800
From: Zhen Lei <thunder.leizhen@...wei.com>
To: Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
CC: Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH] arm64: vdso: Clear common make C=2 warnings
make C=2 ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- xxx.o
When I use the command above to do a 'make C=2' check on any object file,
the following warnings are always output:
CHECK arch/arm64/kernel/vdso/vgettimeofday.c
arch/arm64/kernel/vdso/vgettimeofday.c:9:5: warning:
symbol '__kernel_clock_gettime' was not declared. Should it be static?
arch/arm64/kernel/vdso/vgettimeofday.c:15:5: warning:
symbol '__kernel_gettimeofday' was not declared. Should it be static?
arch/arm64/kernel/vdso/vgettimeofday.c:21:5: warning:
symbol '__kernel_clock_getres' was not declared. Should it be static?
Therefore, the declaration of the three functions is added to eliminate
these common warnings to provide a clean output.
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
arch/arm64/kernel/vdso/vgettimeofday.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/kernel/vdso/vgettimeofday.c b/arch/arm64/kernel/vdso/vgettimeofday.c
index 4236cf34d7d9c34..9941c5b04f15878 100644
--- a/arch/arm64/kernel/vdso/vgettimeofday.c
+++ b/arch/arm64/kernel/vdso/vgettimeofday.c
@@ -6,6 +6,10 @@
*
*/
+int __kernel_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
+int __kernel_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
+int __kernel_clock_getres(clockid_t clock_id, struct __kernel_timespec *res);
+
int __kernel_clock_gettime(clockid_t clock,
struct __kernel_timespec *ts)
{
--
2.25.1
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