linux-kernel - [PATCH 30/32] x86/boot/e820: Change e820_type_to

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Message-ID: <20250515120549.2820541-31-mingo@kernel.org>
Date: Thu, 15 May 2025 14:05:46 +0200
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Ingo Molnar <mingo@...nel.org>,
	Andy Shevchenko <andy@...nel.org>,
	Arnd Bergmann <arnd@...nel.org>,
	Borislav Petkov <bp@...en8.de>,
	Juergen Gross <jgross@...e.com>,
	"H . Peter Anvin" <hpa@...or.com>,
	Kees Cook <keescook@...omium.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Mike Rapoport <rppt@...nel.org>,
	Paul Menzel <pmenzel@...gen.mpg.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	David Woodhouse <dwmw@...zon.co.uk>
Subject: [PATCH 30/32] x86/boot/e820: Change e820_type_to_string() to take a 'type' parameter

Simplify the e820_type_to_string() interface by changing it
to take a 'enum e820_type type' parameter.

This is going to allow the unification of the e820_type_to_string()
and e820_print_type() functions.

No change in functionality intended.

Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: Andy Shevchenko <andy@...nel.org>
Cc: Arnd Bergmann <arnd@...nel.org>
Cc: David Woodhouse <dwmw@...zon.co.uk>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Kees Cook <keescook@...omium.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mike Rapoport (Microsoft) <rppt@...nel.org>
---
 arch/x86/kernel/e820.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 6c9c00ce8db9..fe3e078a4064 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1065,9 +1065,9 @@ __init void e820__finish_early_params(void)
 	}
 }
 
-__init static const char * e820_type_to_string(struct e820_entry *entry)
+__init static const char * e820_type_to_string(enum e820_type type)
 {
-	switch (entry->type) {
+	switch (type) {
 	case E820_TYPE_RAM:		return "System RAM";
 	case E820_TYPE_ACPI:		return "ACPI Tables";
 	case E820_TYPE_NVS:		return "ACPI Non-volatile Storage";
@@ -1175,7 +1175,7 @@ __init void e820__reserve_resources(void)
 		}
 		res->start = entry->addr;
 		res->end   = end;
-		res->name  = e820_type_to_string(entry);
+		res->name  = e820_type_to_string(entry->type);
 		res->flags = e820_type_to_iomem_type(entry);
 		res->desc  = e820_type_to_iores_desc(entry);
 
@@ -1195,7 +1195,7 @@ __init void e820__reserve_resources(void)
 	for (idx = 0; idx < e820_table_kexec->nr_entries; idx++) {
 		struct e820_entry *entry = e820_table_kexec->entries + idx;
 
-		firmware_map_add_early(entry->addr, entry->addr + entry->size, e820_type_to_string(entry));
+		firmware_map_add_early(entry->addr, entry->addr + entry->size, e820_type_to_string(entry->type));
 	}
 }
 
-- 
2.45.2