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authorKirill A. Shutemov <[email protected]>2024-06-14 12:58:47 +0300
committerBorislav Petkov (AMD) <[email protected]>2024-06-17 17:45:28 +0200
commit24dd05da8c7995cb2016b8f4da631c557aa6b40d (patch)
treeba98db2080254014c25ac68159d40d06ad442a84
parent2b5e22afae07ca7d833e251f6d60da8455676ee9 (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 <[email protected]> Signed-off-by: Borislav Petkov (AMD) <[email protected]> Reviewed-by: Baoquan He <[email protected]> Reviewed-by: Thomas Gleixner <[email protected]> Acked-by: Kai Huang <[email protected]> Acked-by: Rafael J. Wysocki <[email protected]> Tested-by: Tao Liu <[email protected]> Link: https://lore.kernel.org/r/[email protected]
-rw-r--r--arch/x86/kernel/acpi/madt_wakeup.c4
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)
{