[PATCH v4 4/4] RISC-V: kernel image memory rang should not be excluded

[luo.haiyang at zte.com.cn]

From: Luo Haiyang <luo.haiyang at zte.com.cn>

On RISC-V, due to the kernel image being additionally exported
in /proc/iomem, the kernel memory range is not correctly handled
by to_be_excluded.

Signed-off-by: Luo Haiyang <luo.haiyang at zte.com.cn>
---
 kexec/arch/riscv/iomem.h       | 2 --
 kexec/arch/riscv/kexec-riscv.c | 8 +++-----
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/kexec/arch/riscv/iomem.h b/kexec/arch/riscv/iomem.h
index 86da971..1ab704c 100644
--- a/kexec/arch/riscv/iomem.h
+++ b/kexec/arch/riscv/iomem.h
@@ -2,8 +2,6 @@
 #define IOMEM_H

 #define SYSTEM_RAM		"System RAM\n"
-#define KERNEL_CODE		"Kernel code\n"
-#define KERNEL_DATA		"Kernel data\n"
 #define KERNEL_IMAGE		"Kernel image\n"
 #define CRASH_KERNEL		"Crash kernel\n"
 #define IOMEM_RESERVED		"Reserved\n"
diff --git a/kexec/arch/riscv/kexec-riscv.c b/kexec/arch/riscv/kexec-riscv.c
index a5a12a0..72fde08 100644
--- a/kexec/arch/riscv/kexec-riscv.c
+++ b/kexec/arch/riscv/kexec-riscv.c
@@ -417,12 +417,10 @@ static bool to_be_excluded(char *str, unsigned long long start, unsigned long lo
 		return true;
 	}

-	if (!strncmp(str, SYSTEM_RAM, strlen(SYSTEM_RAM)) ||
-	    !strncmp(str, KERNEL_CODE, strlen(KERNEL_CODE)) ||
-	    !strncmp(str, KERNEL_DATA, strlen(KERNEL_DATA)))
-		return false;
-	else
+	if (!strncmp(str, IOMEM_RESERVED, strlen(IOMEM_RESERVED)))
 		return true;
+
+	return false;
 }

 int get_memory_ranges(struct memory_range **range, int *num_ranges,
-- 
2.27.0