The following commit has been merged into the x86/cc branch of tip:
Commit-ID: 24dd05da8c7995cb2016b8f4da631c557aa6b40d
Gitweb: https://git.kernel.org/tip/24dd05da8c7995cb2016b8f4da631c557aa6b40d
Author: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
AuthorDate: Fri, 14 Jun 2024 12:58:47 +03:00
Committer: Borislav Petkov (AMD) <bp@xxxxxxxxx>
CommitterDate: Mon, 17 Jun 2024 17:45:28 +02:00
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@xxxxxxxxxxxxxxx>
Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Reviewed-by: Baoquan He <bhe@xxxxxxxxxx>
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Kai Huang <kai.huang@xxxxxxxxx>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Tested-by: Tao Liu <ltao@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240614095904.1345461-3-kirill.shutemov@xxxxxxxxxxxxxxx
---
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 7f164d3..cf79ea6 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)
{
|