From cadde2379f0c64f00bb17834c7095a90595255b0 Mon Sep 17 00:00:00 2001 From: "steve.wahl@hpe.com" Date: Mon, 13 Jul 2020 16:30:04 -0500 Subject: x86/efi: Delete SGI UV1 detection. As a part of UV1 platform removal, don't try to recognize the platform through DMI to set the EFI_UV1_MEMMAP bit. Signed-off-by: Steve Wahl Signed-off-by: Thomas Gleixner Reviewed-by: Ard Biesheuvel Link: https://lkml.kernel.org/r/20200713212955.667726896@hpe.com --- arch/x86/platform/efi/quirks.c | 23 ----------------------- 1 file changed, 23 deletions(-) (limited to 'arch/x86/platform') diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index a5a469cdf5bf..d627f55d17df 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -558,16 +558,6 @@ 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 +569,6 @@ 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 +702,6 @@ 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; -- cgit v1.2.3