Commit fd4e0255 authored by Uros Bizjak's avatar Uros Bizjak Committed by Borislav Petkov (AMD)
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x86/percpu: Use BIT_WORD() and BIT_MASK() macros 



Use BIT_WORD() and BIT_MASK() macros from <linux/bits.h>
in <arch/x86/include/asm/percpu.h> instead of open-coding them.

No functional change intended.

Signed-off-by: default avatarUros Bizjak <ubizjak@gmail.com>
Signed-off-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/20250907184915.78041-1-ubizjak@gmail.com
parent 47955b58

arch/x86/include/asm/percpu.h

+3 −2
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#else /* !__ASSEMBLY__: */



#include <linux/args.h>

#include <linux/bits.h>

#include <linux/build_bug.h>

#include <linux/stringify.h>

#include <asm/asm.h>
@@ -572,9 +573,9 @@ do { \ 
#define x86_this_cpu_constant_test_bit(_nr, _var)			\

({									\

	unsigned long __percpu *addr__ =				\

		(unsigned long __percpu *)&(_var) + ((_nr) / BITS_PER_LONG); \

		(unsigned long __percpu *)&(_var) + BIT_WORD(_nr);	\

									\

	!!((1UL << ((_nr) % BITS_PER_LONG)) & raw_cpu_read(*addr__));	\

	!!(BIT_MASK(_nr) & raw_cpu_read(*addr__));			\

})



#define x86_this_cpu_variable_test_bit(_nr, _var)			\