diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2024-06-14 12:58:47 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-06-17 17:45:28 +0200 |
| commit | 24dd05da8c7995cb2016b8f4da631c557aa6b40d (patch) | |
| tree | ba98db2080254014c25ac68159d40d06ad442a84 /arch/x86/kernel/acpi/madt_wakeup.c | |
| parent | 2b5e22afae07ca7d833e251f6d60da8455676ee9 (diff) | |
x86/apic: Mark acpi_mp_wake_* variables as __ro_after_init
acpi_mp_wake_mailbox_paddr and acpi_mp_wake_mailbox are initialized once during
ACPI MADT init and never changed.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Kai Huang <kai.huang@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Tao Liu <ltao@redhat.com>
Link: https://lore.kernel.org/r/20240614095904.1345461-3-kirill.shutemov@linux.intel.com
Diffstat (limited to 'arch/x86/kernel/acpi/madt_wakeup.c')
| -rw-r--r-- | arch/x86/kernel/acpi/madt_wakeup.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/acpi/madt_wakeup.c b/arch/x86/kernel/acpi/madt_wakeup.c index 7f164d38bd0b..cf79ea6f3007 100644 --- a/arch/x86/kernel/acpi/madt_wakeup.c +++ b/arch/x86/kernel/acpi/madt_wakeup.c @@ -6,10 +6,10 @@ #include <asm/processor.h> /* Physical address of the Multiprocessor Wakeup Structure mailbox */ -static u64 acpi_mp_wake_mailbox_paddr; +static u64 acpi_mp_wake_mailbox_paddr __ro_after_init; /* Virtual address of the Multiprocessor Wakeup Structure mailbox */ -static struct acpi_madt_multiproc_wakeup_mailbox *acpi_mp_wake_mailbox; +static struct acpi_madt_multiproc_wakeup_mailbox *acpi_mp_wake_mailbox __ro_after_init; static int acpi_wakeup_cpu(u32 apicid, unsigned long start_ip) { |