diff options
| author | Uros Bizjak <ubizjak@gmail.com> | 2025-09-07 20:48:46 +0200 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2025-11-10 11:55:54 +0100 |
| commit | fd4e0255269bca311c90f0d0c1d5bd53c8846a59 (patch) | |
| tree | 502e3ad1a1ba8ec3922597721223497120c1886e /arch/x86/include | |
| parent | 47955b58cf9b97fe4dc2b0d622b8ea3a2656bbf9 (diff) | |
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: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/20250907184915.78041-1-ubizjak@gmail.com
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/percpu.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index 332428caaed2..725d0eff7acd 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -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) \ |