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authorNathan Chancellor <natechancellor@gmail.com>2018-10-13 03:53:12 +0300
committerThomas Gleixner <tglx@linutronix.de>2018-10-14 12:11:23 +0300
commit53c13ba8ed39e89f21a0b98f4c8a241bb44e483d (patch)
treefa1d2cb202254f12ed09c4cc4ee099bca7d2a84a /arch/x86/kernel/time.c
parent16561f27f94e6193ee8f5b9b74801e1668c86efc (diff)
downloadlinux-53c13ba8ed39e89f21a0b98f4c8a241bb44e483d.tar.xz
x86/time: Correct the attribute on jiffies' definition
Clang warns that the declaration of jiffies in include/linux/jiffies.h doesn't match the definition in arch/x86/time/kernel.c: arch/x86/kernel/time.c:29:42: warning: section does not match previous declaration [-Wsection] __visible volatile unsigned long jiffies __cacheline_aligned = INITIAL_JIFFIES; ^ ./include/linux/cache.h:49:4: note: expanded from macro '__cacheline_aligned' __section__(".data..cacheline_aligned"))) ^ ./include/linux/jiffies.h:81:31: note: previous attribute is here extern unsigned long volatile __cacheline_aligned_in_smp __jiffy_arch_data jiffies; ^ ./arch/x86/include/asm/cache.h:20:2: note: expanded from macro '__cacheline_aligned_in_smp' __page_aligned_data ^ ./include/linux/linkage.h:39:29: note: expanded from macro '__page_aligned_data' #define __page_aligned_data __section(.data..page_aligned) __aligned(PAGE_SIZE) ^ ./include/linux/compiler_attributes.h:233:56: note: expanded from macro '__section' #define __section(S) __attribute__((__section__(#S))) ^ 1 warning generated. The declaration was changed in commit 7c30f352c852 ("jiffies.h: declare jiffies and jiffies_64 with ____cacheline_aligned_in_smp") but wasn't updated here. Make them match so Clang no longer warns. Fixes: 7c30f352c852 ("jiffies.h: declare jiffies and jiffies_64 with ____cacheline_aligned_in_smp") Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Borislav Petkov <bp@alien8.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20181013005311.28617-1-natechancellor@gmail.com
Diffstat (limited to 'arch/x86/kernel/time.c')
-rw-r--r--arch/x86/kernel/time.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index be01328eb755..fddaefc51fb6 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -25,7 +25,7 @@
#include <asm/time.h>
#ifdef CONFIG_X86_64
-__visible volatile unsigned long jiffies __cacheline_aligned = INITIAL_JIFFIES;
+__visible volatile unsigned long jiffies __cacheline_aligned_in_smp = INITIAL_JIFFIES;
#endif
unsigned long profile_pc(struct pt_regs *regs)