Messages in this thread Patch in this message | | | From | "Kirill A. Shutemov" <> | Subject | [PATCHv10 02/18] x86/apic: Mark acpi_mp_wake_* variables as __ro_after_init | Date | Tue, 9 Apr 2024 14:29:54 +0300 |
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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@linux.intel.com> Acked-by: Kai Huang <kai.huang@intel.com> Reviewed-by: Baoquan He <bhe@redhat.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Tao Liu <ltao@redhat.com> --- 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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