linux-kernel - [PATCH v2 1/9] efi: Make efi_print

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Message-ID: <20220414101314.1250667-2-mawupeng1@huawei.com>
Date:   Thu, 14 Apr 2022 18:13:06 +0800
From:   Wupeng Ma <mawupeng1@...wei.com>
To:     <akpm@...ux-foundation.org>, <catalin.marinas@....com>,
        <will@...nel.org>, <corbet@....net>
CC:     <ardb@...nel.org>, <tglx@...utronix.de>, <mingo@...hat.com>,
        <bp@...en8.de>, <dave.hansen@...ux.intel.com>, <x86@...nel.org>,
        <hpa@...cr.com>, <dvhart@...radead.org>, <andy@...radead.org>,
        <rppt@...nel.org>, <paulmck@...nel.org>, <peterz@...radead.org>,
        <jroedel@...e.de>, <songmuchun@...edance.com>, <macro@...am.me.uk>,
        <frederic@...nel.org>, <W_Armin@....de>, <john.garry@...wei.com>,
        <seanjc@...gle.com>, <tsbogend@...ha.franken.de>,
        <anshuman.khandual@....com>, <chenhuacai@...nel.org>,
        <david@...hat.com>, <gpiccoli@...lia.com>, <mark.rutland@....com>,
        <wangkefeng.wang@...wei.com>, <mawupeng1@...wei.com>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-efi@...r.kernel.org>, <linux-ia64@...r.kernel.org>,
        <platform-driver-x86@...r.kernel.org>, <linux-mm@...ck.org>
Subject: [PATCH v2 1/9] efi: Make efi_print_memmap() public

From: Ma Wupeng <mawupeng1@...wei.com>

Make efi_print_memmap() public in preparation for adding fake memory
support for architecture with efi support, eg, arm64.

Signed-off-by: Ma Wupeng <mawupeng1@...wei.com>
---
 arch/x86/include/asm/efi.h    |  1 -
 arch/x86/platform/efi/efi.c   | 16 ----------------
 drivers/firmware/efi/memmap.c | 16 ++++++++++++++++
 include/linux/efi.h           |  1 +
 4 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 98938a68251c..686968073f48 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -150,7 +150,6 @@ extern asmlinkage u64 __efi_call(void *fp, ...);
 #endif /* CONFIG_X86_32 */
 
 extern int __init efi_memblock_x86_reserve_range(void);
-extern void __init efi_print_memmap(void);
 extern void __init efi_map_region(efi_memory_desc_t *md);
 extern void __init efi_map_region_fixed(efi_memory_desc_t *md);
 extern void efi_sync_low_kernel_mappings(void);
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 147c30a81f15..7b130f39d841 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -323,22 +323,6 @@ static void __init efi_clean_memmap(void)
 	}
 }
 
-void __init efi_print_memmap(void)
-{
-	efi_memory_desc_t *md;
-	int i = 0;
-
-	for_each_efi_memory_desc(md) {
-		char buf[64];
-
-		pr_info("mem%02u: %s range=[0x%016llx-0x%016llx] (%lluMB)\n",
-			i++, efi_md_typeattr_format(buf, sizeof(buf), md),
-			md->phys_addr,
-			md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1,
-			(md->num_pages >> (20 - EFI_PAGE_SHIFT)));
-	}
-}
-
 static int __init efi_systab_init(unsigned long phys)
 {
 	int size = efi_enabled(EFI_64BIT) ? sizeof(efi_system_table_64_t)
diff --git a/drivers/firmware/efi/memmap.c b/drivers/firmware/efi/memmap.c
index 4df55a55da84..04cc1f2cdfa4 100644
--- a/drivers/firmware/efi/memmap.c
+++ b/drivers/firmware/efi/memmap.c
@@ -376,3 +376,19 @@ void __init efi_memmap_insert(struct efi_memory_map *old_memmap, void *buf,
 		}
 	}
 }
+
+void __init efi_print_memmap(void)
+{
+	efi_memory_desc_t *md;
+	int i = 0;
+
+	for_each_efi_memory_desc(md) {
+		char buf[64];
+
+		pr_info("mem%02u: %s range=[0x%016llx-0x%016llx] (%lluMB)\n",
+			i++, efi_md_typeattr_format(buf, sizeof(buf), md),
+			md->phys_addr,
+			md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1,
+			(md->num_pages >> (20 - EFI_PAGE_SHIFT)));
+	}
+}
diff --git a/include/linux/efi.h b/include/linux/efi.h
index ccd4d3f91c98..de05682b233b 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -684,6 +684,7 @@ extern int __init efi_memmap_split_count(efi_memory_desc_t *md,
 					 struct range *range);
 extern void __init efi_memmap_insert(struct efi_memory_map *old_memmap,
 				     void *buf, struct efi_mem_range *mem);
+extern void __init efi_print_memmap(void);
 
 #ifdef CONFIG_EFI_ESRT
 extern void __init efi_esrt_init(void);
-- 
2.18.0.huawei.25