Messages in this thread Patch in this message | | | From | Uros Bizjak <> | Subject | [PATCH -tip v2 1/3] x86/percpu: Define PER_CPU_VAR macro also for !__ASSEMBLY__ | Date | Sun, 5 Nov 2023 22:34:35 +0100 |
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Some C source files define 'asm' statements that use PER_CPU_VAR, so make PER_CPU_VAR macro available also without __ASSEMBLY__.
Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Uros Bizjak <ubizjak@gmail.com> --- v2: Make PER_CPU_VAR macro available in 'asm' statements instead of moving 'asm' statements to *.S assembly files. --- arch/x86/include/asm/percpu.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index b86b27d15e52..0f12b2004b94 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -84,10 +84,15 @@ }) #endif /* CONFIG_USE_X86_SEG_SUPPORT */ +#define PER_CPU_VAR(var) %__percpu_seg:(var)__percpu_rel + #else /* CONFIG_SMP */ #define __percpu_seg_override #define __percpu_prefix "" #define __force_percpu_prefix "" + +#define PER_CPU_VAR(var) (var)__percpu_rel + #endif /* CONFIG_SMP */ #define __my_cpu_type(var) typeof(var) __percpu_seg_override -- 2.41.0
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