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Date: Mon, 11 May 2020 10:20:01 +0800 From: Kefeng Wang <wangkefeng.wang@...wei.com> To: Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org> CC: Kefeng Wang <wangkefeng.wang@...wei.com>, Hulk Robot <hulkci@...wei.com> Subject: [PATCH 10/10] riscv: mmiowb: Fix implicit declaration of function 'smp_processor_id' In file included from ./../include/linux/compiler_types.h:68, from <command-line>: ../include/asm-generic/mmiowb.h: In function ‘mmiowb_set_pending’: ../include/asm-generic/percpu.h:34:38: error: implicit declaration of function ‘smp_processor_id’; did you mean ‘raw_smp_processor_id’? [-Werror=implicit-function-declaration] #define my_cpu_offset per_cpu_offset(smp_processor_id()) ^~~~~~~~~~~~~~~~ ../include/linux/compiler-gcc.h:58:26: note: in definition of macro ‘RELOC_HIDE’ (typeof(ptr)) (__ptr + (off)); \ ^~~ ../include/linux/percpu-defs.h:249:2: note: in expansion of macro ‘SHIFT_PERCPU_PTR’ SHIFT_PERCPU_PTR(ptr, my_cpu_offset); \ ^~~~~~~~~~~~~~~~ ../include/asm-generic/percpu.h:34:23: note: in expansion of macro ‘per_cpu_offset’ #define my_cpu_offset per_cpu_offset(smp_processor_id()) ^~~~~~~~~~~~~~ ../include/linux/percpu-defs.h:249:24: note: in expansion of macro ‘my_cpu_offset’ SHIFT_PERCPU_PTR(ptr, my_cpu_offset); \ ^~~~~~~~~~~~~ ../include/asm-generic/mmiowb.h:30:26: note: in expansion of macro ‘this_cpu_ptr’ #define __mmiowb_state() this_cpu_ptr(&__mmiowb_state) ^~~~~~~~~~~~ ../include/asm-generic/mmiowb.h:37:28: note: in expansion of macro ‘__mmiowb_state’ struct mmiowb_state *ms = __mmiowb_state(); ^~~~~~~~~~~~~~ Reported-by: Hulk Robot <hulkci@...wei.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com> --- arch/riscv/include/asm/mmiowb.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/include/asm/mmiowb.h b/arch/riscv/include/asm/mmiowb.h index bb4091ff4a21..0b2333e71fdc 100644 --- a/arch/riscv/include/asm/mmiowb.h +++ b/arch/riscv/include/asm/mmiowb.h @@ -9,6 +9,7 @@ */ #define mmiowb() __asm__ __volatile__ ("fence o,w" : : : "memory"); +#include <linux/smp.h> #include <asm-generic/mmiowb.h> #endif /* _ASM_RISCV_MMIOWB_H */ -- 2.26.2
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