x86/efi: Remove unused EFI_UV1_MEMMAP code (3bcf25a4) · Commits · 戴 / test

arch/x86/include/asm/efi.h

+2 −18

Original line number	Diff line number	Diff line
		@@ -22,17 +22,7 @@ extern unsigned long efi_fw_vendor, efi_config_table;
		*
		* This is the main reason why we're doing stable VA mappings for RT
		* services.
		*
		* SGI UV1 machines are known to be incompatible with this scheme, so we
		* provide an opt-out for these machines via a DMI quirk that sets the
		* attribute below.
		*/
		#define EFI_UV1_MEMMAP EFI_ARCH_1

		static inline bool efi_have_uv1_memmap(void)
		{
		return IS_ENABLED(CONFIG_X86_UV) && efi_enabled(EFI_UV1_MEMMAP);
		}

		#define EFI32_LOADER_SIGNATURE "EL32"
		#define EFI64_LOADER_SIGNATURE "EL64"
		@@ -122,8 +112,6 @@ struct efi_scratch {
		efi_sync_low_kernel_mappings(); \
		kernel_fpu_begin(); \
		firmware_restrict_branch_speculation_start(); \
		\
		if (!efi_have_uv1_memmap()) \
		efi_switch_mm(&efi_mm); \
		})

		@@ -132,9 +120,7 @@ struct efi_scratch {

		#define arch_efi_call_virt_teardown() \
		({ \
		if (!efi_have_uv1_memmap()) \
		efi_switch_mm(efi_scratch.prev_mm); \
		\
		firmware_restrict_branch_speculation_end(); \
		kernel_fpu_end(); \
		})
		@@ -176,8 +162,6 @@ extern void efi_delete_dummy_variable(void);
		extern void efi_switch_mm(struct mm_struct *mm);
		extern void efi_recover_from_page_fault(unsigned long phys_addr);
		extern void efi_free_boot_services(void);
		extern pgd_t * __init efi_uv1_memmap_phys_prolog(void);
		extern void __init efi_uv1_memmap_phys_epilog(pgd_t *save_pgd);

		/* kexec external ABI */
		struct efi_setup_data {