[RFC PATCH 1/3] x86/boot/e820: Make __e820__mapped_all() external

Aaron Tomlin
2022-06-11T20:49:19Z

No functional change.

This patch allows __e820__mapped_all() 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 e8f58ddd06d9..bf78daa08897 100644
--- a/arch/x86/include/asm/e820/api.h
+++ b/arch/x86/include/asm/e820/api.h
@@ -13,6 +13,7 @@ extern unsigned long pci_mem_start;
extern bool e820__mapped_raw_any(u64 start, u64 end, enum e820_type type);
extern bool e820__mapped_any(u64 start, u64 end, enum e820_type type);
extern bool e820__mapped_all(u64 start, u64 end, enum e820_type type);
+struct e820_entry *__e820__mapped_all(u64 start, u64 end, enum e820_type type);

extern void e820__range_add (u64 start, u64 size, enum e820_type type);
extern u64 e820__range_update(u64 start, u64 size, enum e820_type old_type, enum e820_type new_type);
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index f267205f2d5a..09b1c863a766 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -109,7 +109,7 @@ EXPORT_SYMBOL_GPL(e820__mapped_any);
* Note: this function only works correctly once the E820 table is sorted and
* not-overlapping (at least for the range specified), which is the case normally.
*/
-static struct e820_entry *__e820__mapped_all(u64 start, u64 end,
+struct e820_entry *__e820__mapped_all(u64 start, u64 end,
enum e820_type type)
{
int i;
--
2.34.1