On 02/12/24 at 12:44pm, Kirill A. Shutemov wrote:
> acpi_mp_wake_mailbox_paddr and acpi_mp_wake_mailbox initialized once
> during ACPI MADT init and never changed.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> Acked-by: Kai Huang <kai.huang@xxxxxxxxx>
Reviewed-by: Baoquan He <bhe@xxxxxxxxxx>
> ---
> arch/x86/kernel/acpi/madt_wakeup.c | 4 ++--
> 1 file 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)
> {
> --
> 2.43.0
>
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