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Subject[PATCH v2 2/2] kgdb/treewide: constify struct kgdb_arch arch_kgdb_ops
Date
checkpatch.pl reports the following:

WARNING: struct kgdb_arch should normally be const
#28: FILE: arch/mips/kernel/kgdb.c:397:
+struct kgdb_arch arch_kgdb_ops = {

This report makes sense, as all other ops struct, this
one should also be const. This patch does the change.

Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Rich Felker <dalias@libc.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: x86@kernel.org
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
v2: Added CCs to all maintainers/supporters identified by get_maintainer.pl and Acks from Daniel and Paul.

arch/arc/kernel/kgdb.c | 2 +-
arch/arm/kernel/kgdb.c | 2 +-
arch/arm64/kernel/kgdb.c | 2 +-
arch/h8300/kernel/kgdb.c | 2 +-
arch/hexagon/kernel/kgdb.c | 2 +-
arch/microblaze/kernel/kgdb.c | 2 +-
arch/mips/kernel/kgdb.c | 2 +-
arch/nios2/kernel/kgdb.c | 2 +-
arch/powerpc/kernel/kgdb.c | 2 +-
arch/sh/kernel/kgdb.c | 2 +-
arch/sparc/kernel/kgdb_32.c | 2 +-
arch/sparc/kernel/kgdb_64.c | 2 +-
arch/x86/kernel/kgdb.c | 2 +-
include/linux/kgdb.h | 2 +-
14 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/arch/arc/kernel/kgdb.c b/arch/arc/kernel/kgdb.c
index 9a3c34af2ae8..bfd04b442e36 100644
--- a/arch/arc/kernel/kgdb.c
+++ b/arch/arc/kernel/kgdb.c
@@ -204,7 +204,7 @@ void kgdb_roundup_cpus(unsigned long flags)
local_irq_disable();
}

-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
/* breakpoint instruction: TRAP_S 0x3 */
#ifdef CONFIG_CPU_BIG_ENDIAN
.gdb_bpt_instr = {0x78, 0x7e},
diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index caa0dbe3dc61..21a6d5958955 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -274,7 +274,7 @@ int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt)
* and we handle the normal undef case within the do_undefinstr
* handler.
*/
-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
#ifndef __ARMEB__
.gdb_bpt_instr = {0xfe, 0xde, 0xff, 0xe7}
#else /* ! __ARMEB__ */
diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c
index a20de58061a8..fe1d1f935b90 100644
--- a/arch/arm64/kernel/kgdb.c
+++ b/arch/arm64/kernel/kgdb.c
@@ -357,7 +357,7 @@ void kgdb_arch_exit(void)
unregister_die_notifier(&kgdb_notifier);
}

-struct kgdb_arch arch_kgdb_ops;
+const struct kgdb_arch arch_kgdb_ops;

int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt)
{
diff --git a/arch/h8300/kernel/kgdb.c b/arch/h8300/kernel/kgdb.c
index 1a1d30cb0609..602e478afbd5 100644
--- a/arch/h8300/kernel/kgdb.c
+++ b/arch/h8300/kernel/kgdb.c
@@ -129,7 +129,7 @@ void kgdb_arch_exit(void)
/* Nothing to do */
}

-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
/* Breakpoint instruction: trapa #2 */
.gdb_bpt_instr = { 0x57, 0x20 },
};
diff --git a/arch/hexagon/kernel/kgdb.c b/arch/hexagon/kernel/kgdb.c
index 16c24b22d0b2..f1924d483e78 100644
--- a/arch/hexagon/kernel/kgdb.c
+++ b/arch/hexagon/kernel/kgdb.c
@@ -83,7 +83,7 @@ struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = {
{ "syscall_nr", GDB_SIZEOF_REG, offsetof(struct pt_regs, syscall_nr)},
};

-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
/* trap0(#0xDB) 0x0cdb0054 */
.gdb_bpt_instr = {0x54, 0x00, 0xdb, 0x0c},
};
diff --git a/arch/microblaze/kernel/kgdb.c b/arch/microblaze/kernel/kgdb.c
index 6366f69d118e..130cd0f064ce 100644
--- a/arch/microblaze/kernel/kgdb.c
+++ b/arch/microblaze/kernel/kgdb.c
@@ -143,7 +143,7 @@ void kgdb_arch_exit(void)
/*
* Global data
*/
-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
#ifdef __MICROBLAZEEL__
.gdb_bpt_instr = {0x18, 0x00, 0x0c, 0xba}, /* brki r16, 0x18 */
#else
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index 31eff1bec577..edfdc2ec2d16 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -394,7 +394,7 @@ int kgdb_arch_handle_exception(int vector, int signo, int err_code,
return -1;
}

-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
#ifdef CONFIG_CPU_BIG_ENDIAN
.gdb_bpt_instr = { spec_op << 2, 0x00, 0x00, break_op },
#else
diff --git a/arch/nios2/kernel/kgdb.c b/arch/nios2/kernel/kgdb.c
index 117859122d1c..37b25f844a2d 100644
--- a/arch/nios2/kernel/kgdb.c
+++ b/arch/nios2/kernel/kgdb.c
@@ -165,7 +165,7 @@ void kgdb_arch_exit(void)
/* Nothing to do */
}

-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
/* Breakpoint instruction: trap 30 */
.gdb_bpt_instr = { 0xba, 0x6f, 0x3b, 0x00 },
};
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index 59c578f865aa..bdb588b1d8fb 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -477,7 +477,7 @@ int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt)
/*
* Global data
*/
-struct kgdb_arch arch_kgdb_ops;
+const struct kgdb_arch arch_kgdb_ops;

static int kgdb_not_implemented(struct pt_regs *regs)
{
diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index 4f04c6638a4d..a24c48446e98 100644
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c
@@ -382,7 +382,7 @@ void kgdb_arch_exit(void)
unregister_die_notifier(&kgdb_notifier);
}

-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
/* Breakpoint instruction: trapa #0x3c */
#ifdef CONFIG_CPU_LITTLE_ENDIAN
.gdb_bpt_instr = { 0x3c, 0xc3 },
diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c
index 639c8e54530a..7580775a14b9 100644
--- a/arch/sparc/kernel/kgdb_32.c
+++ b/arch/sparc/kernel/kgdb_32.c
@@ -166,7 +166,7 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
regs->npc = regs->pc + 4;
}

-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
/* Breakpoint instruction: ta 0x7d */
.gdb_bpt_instr = { 0x91, 0xd0, 0x20, 0x7d },
};
diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c
index a68bbddbdba4..5d6c2d287e85 100644
--- a/arch/sparc/kernel/kgdb_64.c
+++ b/arch/sparc/kernel/kgdb_64.c
@@ -195,7 +195,7 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
regs->tnpc = regs->tpc + 4;
}

-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
/* Breakpoint instruction: ta 0x72 */
.gdb_bpt_instr = { 0x91, 0xd0, 0x20, 0x72 },
};
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index 8e36f249646e..e7effc02f13c 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -804,7 +804,7 @@ int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt)
(char *)bpt->saved_instr, BREAK_INSTR_SIZE);
}

-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
/* Breakpoint instruction: */
.gdb_bpt_instr = { 0xcc },
.flags = KGDB_HW_BREAKPOINT,
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index e465bb15912d..3bf313311cca 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -281,7 +281,7 @@ struct kgdb_io {
int is_console;
};

-extern struct kgdb_arch arch_kgdb_ops;
+extern const struct kgdb_arch arch_kgdb_ops;

extern unsigned long kgdb_arch_pc(int exception, struct pt_regs *regs);

--
2.13.3
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