From: "steve.wahl@hpe.com" <steve.wahl@hpe.com>
Date: Mon, 13 Jul 2020 16:30:04 -0500
Subject: x86/efi: Delete SGI UV1 detection.
Git-commit: cadde2379f0c64f00bb17834c7095a90595255b0
Patch-mainline: 5.9-rc1
References: bnc#1177710 jsc#SLE-13285
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 <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/20200713212955.667726896@hpe.com
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
arch/x86/platform/efi/quirks.c | 23 -----------------------
1 file changed, 23 deletions(-)
--- a/arch/x86/platform/efi/quirks.c
+++ b/arch/x86/platform/efi/quirks.c
@@ -554,16 +554,6 @@ 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)
{
/*
@@ -575,17 +565,6 @@ 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();
- }
- }
}
/*
@@ -719,8 +698,6 @@ void efi_recover_from_page_fault(unsigne
/*
* 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;