[RFC PATCH 2/3] x86/boot/e820: Make e820_type_to_string() external

Aaron Tomlin
2022-06-11T20:49:13Z

No functional change.

This patch allows e820_type_to_string() to be available for
external use, in preparation to enhance the error message
generated by arch_rmrr_sanity_check().

Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
---
arch/x86/include/asm/e820/api.h | 1 +
arch/x86/kernel/e820.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h
index bf78daa08897..ceb301e591de 100644
--- a/arch/x86/include/asm/e820/api.h
+++ b/arch/x86/include/asm/e820/api.h
@@ -43,6 +43,7 @@ extern void e820__reallocate_tables(void);
extern void e820__register_nosave_regions(unsigned long limit_pfn);

extern int e820__get_entry_type(u64 start, u64 end);
+const char *e820_type_to_string(struct e820_entry *entry);

/*
* Returns true iff the specified range [start,end) is completely contained inside
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 09b1c863a766..95b994cf80cd 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1071,7 +1071,7 @@ void __init e820__finish_early_params(void)
}
}

-static const char *__init e820_type_to_string(struct e820_entry *entry)
+const char *__init e820_type_to_string(struct e820_entry *entry)
{
switch (entry->type) {
case E820_TYPE_RESERVED_KERN: /* Fall-through: */
--
2.34.1