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Subject[PATCH] x86/cpu: remove needless definition for !CONFIG_X86_32
Date
The function flag_is_changeable_p() is used in:

- have_cpuid_p() for its CONFIG_X86_32 definition
- identify_cpu_without_cpuid() within its CONFIG_X86_32 ifdef-block

So, there is no need to define flag_is_changeable_p() if !CONFIG_X86_32.
Simply remove this needless definition.

This was discovered with make CC=clang W=1:

arch/x86/kernel/cpu/common.c:283:19:
warning: unused function 'flag_is_changeable_p' [-Wunused-function]

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
---
applies cleanly on current master and next-20201116

Thomas, Boris, please pick this minor non-urgent patch.

arch/x86/kernel/cpu/common.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 35ad8480c464..b89dbc7ccb0c 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -280,10 +280,6 @@ static int __init x86_serial_nr_setup(char *s)
}
__setup("serialnumber", x86_serial_nr_setup);
#else
-static inline int flag_is_changeable_p(u32 flag)
-{
- return 1;
-}
static inline void squash_the_stupid_serial_number(struct cpuinfo_x86 *c)
{
}
--
2.17.1
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