linux-kernel - [PATCH 1/3] sh: Rename NR_syscalls macro to __NR

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Date:   Thu,  9 Aug 2018 11:06:43 +0530
From:   Firoz Khan <firoz.khan@...aro.org>
To:     linux-sh@...r.kernel.org,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>
Cc:     y2038@...ts.linaro.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, arnd@...db.de, deepa.kernel@...il.com,
        marcin.juszkiewicz@...aro.org, firoz.khan@...aro.org
Subject: [PATCH 1/3] sh: Rename NR_syscalls macro to __NR_syscalls

NR_syscalls macro holds the number of system call exist in SH arch-
itecture. One of the patch in this patch series has a script which
will generate a uapi header based on syscall.tbl file. The syscall.tbl
file contains the total number of system call information, which will
be used to update NR_syscalls.

The macro name also changed form NR_syscalls to __NR_syscalls for
making the name convention same across all architecture. While
__NR_syscalls isn't strictly part of the uapi, having it as part of
the generated header to simplifies the implementation.

Signed-off-by: Firoz Khan <firoz.khan@...aro.org>
---
 arch/sh/include/asm/ftrace.h         | 2 +-
 arch/sh/include/uapi/asm/unistd_32.h | 2 +-
 arch/sh/include/uapi/asm/unistd_64.h | 2 +-
 arch/sh/kernel/cpu/sh5/entry.S       | 2 +-
 arch/sh/kernel/entry-common.S        | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h
index b1c1dc0..968a9bb 100644
--- a/arch/sh/include/asm/ftrace.h
+++ b/arch/sh/include/asm/ftrace.h
@@ -5,7 +5,7 @@
 #ifdef CONFIG_FUNCTION_TRACER
 
 #define MCOUNT_INSN_SIZE	4 /* sizeof mcount call */
-#define FTRACE_SYSCALL_MAX	NR_syscalls
+#define FTRACE_SYSCALL_MAX	__NR_syscalls
 
 #ifndef __ASSEMBLY__
 extern void mcount(void);
diff --git a/arch/sh/include/uapi/asm/unistd_32.h b/arch/sh/include/uapi/asm/unistd_32.h
index 58f04cf..2c4f087 100644
--- a/arch/sh/include/uapi/asm/unistd_32.h
+++ b/arch/sh/include/uapi/asm/unistd_32.h
@@ -396,6 +396,6 @@
 #define __NR_preadv2		381
 #define __NR_pwritev2		382
 
-#define NR_syscalls 383
+#define __NR_syscalls 383
 
 #endif /* __ASM_SH_UNISTD_32_H */
diff --git a/arch/sh/include/uapi/asm/unistd_64.h b/arch/sh/include/uapi/asm/unistd_64.h
index 6f809a5..9e6e8cb 100644
--- a/arch/sh/include/uapi/asm/unistd_64.h
+++ b/arch/sh/include/uapi/asm/unistd_64.h
@@ -416,6 +416,6 @@
 #define __NR_preadv2		392
 #define __NR_pwritev2		393
 
-#define NR_syscalls 394
+#define __NR_syscalls 394
 
 #endif /* __ASM_SH_UNISTD_64_H */
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index 0c8d037..d2ff022 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -1192,7 +1192,7 @@ system_call:
 	STI()
 
 	pta	syscall_allowed, tr0
-	movi	NR_syscalls - 1, r4	/* Last valid */
+	movi	__NR_syscalls - 1, r4	/* Last valid */
 	bgeu/l	r4, r5, tr0
 
 syscall_bad:
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 28cc612..80ea3c4 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -396,7 +396,7 @@ syscall_exit:
 #if !defined(CONFIG_CPU_SH2)
 1:	.long	TRA
 #endif
-2:	.long	NR_syscalls
+2:	.long	__NR_syscalls
 3:	.long	sys_call_table
 7:	.long	do_syscall_trace_enter
 8:	.long	do_syscall_trace_leave
-- 
1.9.1