linux-kernel - [PATCH 1/6] asm-generic: add a cpuinfo

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Message-Id: <20220821113512.2056409-2-mail@conchuod.ie>
Date:   Sun, 21 Aug 2022 12:35:08 +0100
From:   Conor Dooley <mail@...chuod.ie>
To:     Michal Simek <monstr@...str.eu>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        "David S . Miller" <davem@...emloft.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H . Peter Anvin" <hpa@...or.com>, Arnd Bergmann <arnd@...db.de>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Kees Cook <keescook@...omium.org>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
        sparclinux@...r.kernel.org, linux-arch@...r.kernel.org
Subject: [PATCH 1/6] asm-generic: add a cpuinfo_ops definition in shared code

From: Conor Dooley <conor.dooley@...rochip.com>

On RISC-V sparse complains that:
arch/riscv/kernel/cpu.c:204:29: warning: symbol 'cpuinfo_op' was not declared. Should it be static?

Sure, it could be dumped into asm/processor.h like other archs have
done, but putting it in an asm-generic header seems to be a saner
strategy.

Fixes: 76d2a0493a17 ("RISC-V: Init and Halt Code")
Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
 arch/riscv/include/asm/processor.h | 1 +
 include/asm-generic/processor.h    | 7 +++++++
 2 files changed, 8 insertions(+)
 create mode 100644 include/asm-generic/processor.h

diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h
index 19eedd4af4cd..dd2c9a382192 100644
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
@@ -9,6 +9,7 @@
 #include <linux/const.h>
 
 #include <vdso/processor.h>
+#include <asm-generic/processor.h>
 
 #include <asm/ptrace.h>
 
diff --git a/include/asm-generic/processor.h b/include/asm-generic/processor.h
new file mode 100644
index 000000000000..2ec9af562e9b
--- /dev/null
+++ b/include/asm-generic/processor.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_PROCESSOR_H
+#define __ASM_PROCESSOR_H
+
+extern const struct seq_operations cpuinfo_op;
+
+#endif /* __ASM_PROCESSOR_H */
-- 
2.37.1