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| author | steve.wahl@hpe.com <steve.wahl@hpe.com> | 2020-07-13 16:30:07 -0500 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-07-17 16:47:48 +0200 |
| commit | 3bcf25a40b018e632d70bb866d75746748953fbc (patch) | |
| tree | 3fb21fe5ec7b4d06e1e014ff79e1e06ccf55585c | |
| parent | 6aa3baabe106fa1182f904107244147395902a09 (diff) | |
| download | linux-stable-3bcf25a40b018e632d70bb866d75746748953fbc.tar.gz linux-stable-3bcf25a40b018e632d70bb866d75746748953fbc.tar.bz2 linux-stable-3bcf25a40b018e632d70bb866d75746748953fbc.zip | |
x86/efi: Remove unused EFI_UV1_MEMMAP code
With UV1 support removed, EFI_UV1_MEMMAP is no longer used.
Signed-off-by: Steve Wahl <steve.wahl@hpe.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lkml.kernel.org/r/20200713212956.019149227@hpe.com
| -rw-r--r-- | arch/x86/include/asm/efi.h | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index e7d2ccfdd507..b9c2667ac46c 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -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" @@ -122,9 +112,7 @@ 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); \ + efi_switch_mm(&efi_mm); \ }) #define arch_efi_call_virt(p, f, args...) \ @@ -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); \ - \ + 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 { |