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Message-Id: <20200216182334.8121-10-ardb@kernel.org>
Date: Sun, 16 Feb 2020 19:23:25 +0100
From: Ard Biesheuvel <ardb@...nel.org>
To: linux-efi@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Ard Biesheuvel <ardb@...nel.org>, nivedita@...m.mit.edu,
x86@...nel.org
Subject: [PATCH 09/18] 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.
Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
---
arch/ia64/kernel/efi.c | 11 ++++++-----
1 file 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;
--
2.17.1
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