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x86/efi: Remove unused EFI_UV1_MEMMAP code

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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
This commit is contained in:
steve.wahl@hpe.com 2020-07-13 16:30:07 -05:00 committed by Thomas Gleixner
parent 6aa3baabe1
commit 3bcf25a40b
1 changed files with 2 additions and 18 deletions
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20
arch/x86/include/asm/efi.h
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@ -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 {