diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h index e60c45fd3679bf900a8e1d53d2cb731c316d519f..6bc6d89d8e2ad8d36819ae2457a815c9083f2d4b 100644 --- a/arch/x86/include/asm/uv/uv.h +++ b/arch/x86/include/asm/uv/uv.h @@ -12,10 +12,12 @@ struct mm_struct; #ifdef CONFIG_X86_UV #include +extern unsigned long uv_systab_phys; + extern enum uv_system_type get_uv_system_type(void); static inline bool is_early_uv_system(void) { - return !((efi.uv_systab == EFI_INVALID_TABLE_ADDR) || !efi.uv_systab); + return uv_systab_phys && uv_systab_phys != EFI_INVALID_TABLE_ADDR; } extern int is_uv_system(void); extern int is_uv_hubless(void); diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 8d9be97a560738a3e5a1d97a58d79deb2c8f6c91..9866a358476518db6c0f36bc82b1e80bfc72c20e 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -59,7 +59,7 @@ static efi_system_table_t efi_systab __initdata; static efi_config_table_type_t arch_tables[] __initdata = { #ifdef CONFIG_X86_UV - {UV_SYSTEM_TABLE_GUID, "UVsystab", &efi.uv_systab}, + {UV_SYSTEM_TABLE_GUID, "UVsystab", &uv_systab_phys}, #endif {NULL_GUID, NULL, NULL}, }; @@ -74,7 +74,9 @@ static const unsigned long * const efi_tables[] = { &efi.boot_info, &efi.hcdp, &efi.uga, - &efi.uv_systab, +#ifdef CONFIG_X86_UV + &uv_systab_phys, +#endif &efi.fw_vendor, &efi.runtime, &efi.config_table, diff --git a/arch/x86/platform/uv/bios_uv.c b/arch/x86/platform/uv/bios_uv.c index 7c69652ffeea2e6c3de91a8c6a349eea60b4bf55..c2ee31953372d4ed2b8a5fc9b19d9856eeaa9398 100644 --- a/arch/x86/platform/uv/bios_uv.c +++ b/arch/x86/platform/uv/bios_uv.c @@ -14,6 +14,8 @@ #include #include +unsigned long uv_systab_phys __ro_after_init = EFI_INVALID_TABLE_ADDR; + struct uv_systab *uv_systab; static s64 __uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, @@ -185,13 +187,13 @@ EXPORT_SYMBOL_GPL(uv_bios_set_legacy_vga_target); void uv_bios_init(void) { uv_systab = NULL; - if ((efi.uv_systab == EFI_INVALID_TABLE_ADDR) || - !efi.uv_systab || efi_runtime_disabled()) { + if ((uv_systab_phys == EFI_INVALID_TABLE_ADDR) || + !uv_systab_phys || efi_runtime_disabled()) { pr_crit("UV: UVsystab: missing\n"); return; } - uv_systab = ioremap(efi.uv_systab, sizeof(struct uv_systab)); + uv_systab = ioremap(uv_systab_phys, sizeof(struct uv_systab)); if (!uv_systab || strncmp(uv_systab->signature, UV_SYSTAB_SIG, 4)) { pr_err("UV: UVsystab: bad signature!\n"); iounmap(uv_systab); @@ -203,7 +205,7 @@ void uv_bios_init(void) int size = uv_systab->size; iounmap(uv_systab); - uv_systab = ioremap(efi.uv_systab, size); + uv_systab = ioremap(uv_systab_phys, size); if (!uv_systab) { pr_err("UV: UVsystab: ioremap(%d) failed!\n", size); return; diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index cbdbdbc8f9ebe2957c2be1f6f0ad6d3171a40952..4dfd873373bd93007e7d1800d04951a3145e307f 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -43,7 +43,6 @@ struct efi __read_mostly efi = { .boot_info = EFI_INVALID_TABLE_ADDR, .hcdp = EFI_INVALID_TABLE_ADDR, .uga = EFI_INVALID_TABLE_ADDR, - .uv_systab = EFI_INVALID_TABLE_ADDR, .fw_vendor = EFI_INVALID_TABLE_ADDR, .runtime = EFI_INVALID_TABLE_ADDR, .config_table = EFI_INVALID_TABLE_ADDR, diff --git a/include/linux/efi.h b/include/linux/efi.h index 60a6242765d892ab6d340db8911e0645a8331aad..171bb1005a10b196ee89ab409254c7f92585b483 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -988,7 +988,6 @@ extern struct efi { unsigned long boot_info; /* boot info table */ unsigned long hcdp; /* HCDP table */ unsigned long uga; /* UGA table */ - unsigned long uv_systab; /* UV system table */ unsigned long fw_vendor; /* fw_vendor */ unsigned long runtime; /* runtime table */ unsigned long config_table; /* config tables */