[PATCH v2 2/2] kexec_file: clean up arch_kexec_kernel_image_load

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Function arch_kexec_kernel_image_load() has a common weak version which
is a wrapper of kexec_image_load_default() , and has only one arch
dependent version in x86_64. Now the x86_64 dependent function is not
needed any more. So clean it up.

And also rename kexec_image_load_default() to kexec_kernel_image_load() for
better reflecting its functionality.

Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
Acked-by: Dave Young <dyoung@xxxxxxxxxx>
---
 arch/x86/kernel/machine_kexec_64.c | 11 -----------
 include/linux/kexec.h              |  1 -
 kernel/kexec_file.c                |  9 ++-------
 3 files changed, 2 insertions(+), 19 deletions(-)

diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
index 1f0eb0eed546..6b14d9274def 100644
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -372,17 +372,6 @@ void machine_kexec(struct kimage *image)
 /* arch-dependent functionality related to kexec file-based syscall */
 
 #ifdef CONFIG_KEXEC_FILE
-void *arch_kexec_kernel_image_load(struct kimage *image)
-{
-	if (!image->fops || !image->fops->load)
-		return ERR_PTR(-ENOEXEC);
-
-	return image->fops->load(image, image->kernel_buf,
-				 image->kernel_buf_len, image->initrd_buf,
-				 image->initrd_buf_len, image->cmdline_buf,
-				 image->cmdline_buf_len);
-}
-
 /*
  * Apply purgatory relocations.
  *
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index 0c994ae37729..47b70402c0a4 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -186,7 +186,6 @@ void *kexec_purgatory_get_symbol_addr(struct kimage *image, const char *name);
 /* Architectures may override the below functions */
 int arch_kexec_kernel_image_probe(struct kimage *image, void *buf,
 				  unsigned long buf_len);
-void *arch_kexec_kernel_image_load(struct kimage *image);
 int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
 				     Elf_Shdr *section,
 				     const Elf_Shdr *relsec,
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index 8347fc158d2b..b6a1347f546e 100644
--- a/kernel/kexec_file.c
+++ b/kernel/kexec_file.c
@@ -60,7 +60,7 @@ int __weak arch_kexec_kernel_image_probe(struct kimage *image, void *buf,
 	return kexec_image_probe_default(image, buf, buf_len);
 }
 
-static void *kexec_image_load_default(struct kimage *image)
+static void *kexec_kernel_image_load(struct kimage *image)
 {
 	if (!image->fops || !image->fops->load)
 		return ERR_PTR(-ENOEXEC);
@@ -71,11 +71,6 @@ static void *kexec_image_load_default(struct kimage *image)
 				 image->cmdline_buf_len);
 }
 
-void * __weak arch_kexec_kernel_image_load(struct kimage *image)
-{
-	return kexec_image_load_default(image);
-}
-
 int kexec_image_post_load_cleanup_default(struct kimage *image)
 {
 	if (!image->fops || !image->fops->cleanup)
@@ -279,7 +274,7 @@ kimage_file_prepare_segments(struct kimage *image, int kernel_fd, int initrd_fd,
 	ima_add_kexec_buffer(image);
 
 	/* Call arch image load handlers */
-	ldata = arch_kexec_kernel_image_load(image);
+	ldata = kexec_kernel_image_load(image);
 
 	if (IS_ERR(ldata)) {
 		ret = PTR_ERR(ldata);
-- 
2.31.1


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