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| author | Ard Biesheuvel <ardb@kernel.org> | 2020-01-20 15:48:07 +0100 |
|---|---|---|
| committer | Ard Biesheuvel <ardb@kernel.org> | 2020-02-23 21:59:42 +0100 |
| commit | beaf1c745b46c567c1c63bb8d16d2a72aacf5dd1 (patch) | |
| tree | 2d2ce0ea3e66ac0e0e6618b51b89d23ef5686e91 /arch/ia64 | |
| parent | c0019f576818b6e867bcb1feece10d9a21a7bc9f (diff) | |
| download | lwn-beaf1c745b46c567c1c63bb8d16d2a72aacf5dd1.tar.gz lwn-beaf1c745b46c567c1c63bb8d16d2a72aacf5dd1.zip | |
efi/ia64: Use local variable for EFI system table address
The IA64 code never refers to the EFI system table except from
inside the scope of efi_init(). So let's use a local variable
instead of efi.systab, which will be going away soon.
Tested-by: Tony Luck <tony.luck@intel.com> # arch/ia64
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kernel/efi.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 74fad89ae209..81bc5031a115 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -484,6 +484,7 @@ efi_map_pal_code (void) void __init efi_init (void) { + const efi_system_table_t *efi_systab; void *efi_map_start, *efi_map_end; u64 efi_desc_size; char *cp; @@ -516,17 +517,17 @@ efi_init (void) printk(KERN_INFO "Ignoring memory above %lluMB\n", max_addr >> 20); - efi.systab = __va(ia64_boot_param->efi_systab); + efi_systab = __va(ia64_boot_param->efi_systab); /* * Verify the EFI Table */ - if (efi.systab == NULL) + if (efi_systab == NULL) panic("Whoa! Can't find EFI system table.\n"); - if (efi_systab_check_header(&efi.systab->hdr, 1)) + if (efi_systab_check_header(&efi_systab->hdr, 1)) panic("Whoa! EFI system table signature incorrect\n"); - efi_systab_report_header(&efi.systab->hdr, efi.systab->fw_vendor); + efi_systab_report_header(&efi_systab->hdr, efi_systab->fw_vendor); palo_phys = EFI_INVALID_TABLE_ADDR; @@ -536,7 +537,7 @@ efi_init (void) if (palo_phys != EFI_INVALID_TABLE_ADDR) handle_palo(palo_phys); - runtime = __va(efi.systab->runtime); + runtime = __va(efi_systab->runtime); efi.get_time = phys_get_time; efi.set_time = phys_set_time; efi.get_wakeup_time = phys_get_wakeup_time; |