| Message ID | 20231222235209.32143-3-kirill.shutemov@linux.intel.com |
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From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
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"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [PATCHv5 02/16] x86/apic: Mark acpi_mp_wake_* variables as
__ro_after_init
Date: Sat, 23 Dec 2023 02:51:54 +0300
Message-ID: <20231222235209.32143-3-kirill.shutemov@linux.intel.com>
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| Series |
x86/tdx: Add kexec support
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Commit Message
Kirill A. Shutemov
Dec. 22, 2023, 11:51 p.m. UTC
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> --- 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) {