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x86/apic: Mark acpi_mp_wake_* variables as __ro_after_init

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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
This commit is contained in:
Kirill A. Shutemov 2024-06-14 12:58:47 +03:00 • committed by Borislav Petkov (AMD)
parent 2b5e22afae
commit 24dd05da8c
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/acpi/madt_wakeup.c
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@ -6,10 +6,10 @@
#include <asm/processor.h> #include <asm/processor.h>
/* Physical address of the Multiprocessor Wakeup Structure mailbox */ /* 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 */ /* 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) static int acpi_wakeup_cpu(u32 apicid, unsigned long start_ip)
{ {