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authorJisheng Zhang <jszhang@kernel.org>2021-05-09 00:44:43 +0800
committerPalmer Dabbelt <palmerdabbelt@google.com>2021-05-22 22:05:30 -0700
commitbab0d47c0ebb50ae0bcfa4e84986a60113bf7d6b (patch)
tree2558a8a4cc48661639a8ed335cab1434ec6e74ab
parent02ccdeed1817a587161ad091887e11ac8a2586b2 (diff)
riscv: kexec: Fix W=1 build warnings
Fixes the following W=1 build warning(s): In file included from include/linux/kexec.h:28, from arch/riscv/kernel/machine_kexec.c:7: arch/riscv/include/asm/kexec.h:45:1: warning: ‘extern’ is not at beginning of declaration [-Wold-style-declaration] 45 | const extern unsigned char riscv_kexec_relocate[]; | ^~~~~ arch/riscv/include/asm/kexec.h:46:1: warning: ‘extern’ is not at beginning of declaration [-Wold-style-declaration] 46 | const extern unsigned int riscv_kexec_relocate_size; | ^~~~~ arch/riscv/kernel/machine_kexec.c:125:6: warning: no previous prototype for ‘machine_shutdown’ [-Wmissing-prototypes] 125 | void machine_shutdown(void) | ^~~~~~~~~~~~~~~~ arch/riscv/kernel/machine_kexec.c:147:1: warning: no previous prototype for ‘machine_crash_shutdown’ [-Wmissing-prototypes] 147 | machine_crash_shutdown(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/machine_kexec.c:23: warning: Function parameter or member 'image' not described in 'kexec_image_info' arch/riscv/kernel/machine_kexec.c:53: warning: Function parameter or member 'image' not described in 'machine_kexec_prepare' arch/riscv/kernel/machine_kexec.c:114: warning: Function parameter or member 'image' not described in 'machine_kexec_cleanup' arch/riscv/kernel/machine_kexec.c:148: warning: Function parameter or member 'regs' not described in 'machine_crash_shutdown' arch/riscv/kernel/machine_kexec.c:167: warning: Function parameter or member 'image' not described in 'machine_kexec' Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
-rw-r--r--arch/riscv/include/asm/kexec.h4
-rw-r--r--arch/riscv/kernel/machine_kexec.c11
2 files changed, 8 insertions, 7 deletions
diff --git a/arch/riscv/include/asm/kexec.h b/arch/riscv/include/asm/kexec.h
index 1e954101906a..e4e291d40759 100644
--- a/arch/riscv/include/asm/kexec.h
+++ b/arch/riscv/include/asm/kexec.h
@@ -42,8 +42,8 @@ struct kimage_arch {
unsigned long fdt_addr;
};
-const extern unsigned char riscv_kexec_relocate[];
-const extern unsigned int riscv_kexec_relocate_size;
+extern const unsigned char riscv_kexec_relocate[];
+extern const unsigned int riscv_kexec_relocate_size;
typedef void (*riscv_kexec_method)(unsigned long first_ind_entry,
unsigned long jump_addr,
diff --git a/arch/riscv/kernel/machine_kexec.c b/arch/riscv/kernel/machine_kexec.c
index cc048143fba5..9e99e1db156b 100644
--- a/arch/riscv/kernel/machine_kexec.c
+++ b/arch/riscv/kernel/machine_kexec.c
@@ -14,8 +14,9 @@
#include <asm/set_memory.h> /* For set_memory_x() */
#include <linux/compiler.h> /* For unreachable() */
#include <linux/cpu.h> /* For cpu_down() */
+#include <linux/reboot.h>
-/**
+/*
* kexec_image_info - Print received image details
*/
static void
@@ -39,7 +40,7 @@ kexec_image_info(const struct kimage *image)
}
}
-/**
+/*
* machine_kexec_prepare - Initialize kexec
*
* This function is called from do_kexec_load, when the user has
@@ -100,7 +101,7 @@ machine_kexec_prepare(struct kimage *image)
}
-/**
+/*
* machine_kexec_cleanup - Cleanup any leftovers from
* machine_kexec_prepare
*
@@ -135,7 +136,7 @@ void machine_shutdown(void)
#endif
}
-/**
+/*
* machine_crash_shutdown - Prepare to kexec after a kernel crash
*
* This function is called by crash_kexec just before machine_kexec
@@ -151,7 +152,7 @@ machine_crash_shutdown(struct pt_regs *regs)
pr_info("Starting crashdump kernel...\n");
}
-/**
+/*
* machine_kexec - Jump to the loaded kimage
*
* This function is called by kernel_kexec which is called by the