diff options
Diffstat (limited to 'arch/x86/platform/efi/quirks.c')
| -rw-r--r-- | arch/x86/platform/efi/quirks.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index a5a469cdf5bf..5a40fe411ebd 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -381,14 +381,6 @@ static void __init efi_unmap_pages(efi_memory_desc_t *md) u64 va = md->virt_addr; /* - * To Do: Remove this check after adding functionality to unmap EFI boot - * services code/data regions from direct mapping area because the UV1 - * memory map maps EFI regions in swapper_pg_dir. - */ - if (efi_have_uv1_memmap()) - return; - - /* * EFI mixed mode has all RAM mapped to access arguments while making * EFI runtime calls, hence don't unmap EFI boot services code/data * regions. @@ -558,16 +550,6 @@ out: return ret; } -static const struct dmi_system_id sgi_uv1_dmi[] __initconst = { - { NULL, "SGI UV1", - { DMI_MATCH(DMI_PRODUCT_NAME, "Stoutland Platform"), - DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), - DMI_MATCH(DMI_BIOS_VENDOR, "SGI.COM"), - } - }, - { } /* NULL entry stops DMI scanning */ -}; - void __init efi_apply_memmap_quirks(void) { /* @@ -579,17 +561,6 @@ void __init efi_apply_memmap_quirks(void) pr_info("Setup done, disabling due to 32/64-bit mismatch\n"); efi_memmap_unmap(); } - - /* UV2+ BIOS has a fix for this issue. UV1 still needs the quirk. */ - if (dmi_check_system(sgi_uv1_dmi)) { - if (IS_ENABLED(CONFIG_X86_UV)) { - set_bit(EFI_UV1_MEMMAP, &efi.flags); - } else { - pr_warn("EFI runtime disabled, needs CONFIG_X86_UV=y on UV1\n"); - clear_bit(EFI_RUNTIME_SERVICES, &efi.flags); - efi_memmap_unmap(); - } - } } /* @@ -723,8 +694,6 @@ void efi_recover_from_page_fault(unsigned long phys_addr) /* * Make sure that an efi runtime service caused the page fault. - * "efi_mm" cannot be used to check if the page fault had occurred - * in the firmware context because the UV1 memmap doesn't use efi_pgd. */ if (efi_rts_work.efi_rts_id == EFI_NONE) return; |