The following commit has been merged into the x86/platform branch of tip:
Commit-ID: 3bcf25a40b018e632d70bb866d75746748953fbc
Gitweb: https://git.kernel.org/tip/3bcf25a40b018e632d70bb866d75746748953fbc
Author: steve.wahl@xxxxxxx <steve.wahl@xxxxxxx>
AuthorDate: Mon, 13 Jul 2020 16:30:07 -05:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Fri, 17 Jul 2020 16:47:48 +02:00
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@xxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/20200713212956.019149227@xxxxxxx
---
arch/x86/include/asm/efi.h | 20 ++------------------
1 file changed, 2 insertions(+), 18 deletions(-)
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index e7d2ccf..b9c2667 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 {
|