diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_savic.c | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index db18810576bc..680d305589a3 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1170,6 +1170,9 @@ void disable_local_APIC(void) if (!apic_accessible()) return; + if (apic->teardown) + apic->teardown(); + apic_soft_disable(); #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/apic/x2apic_savic.c b/arch/x86/kernel/apic/x2apic_savic.c index d76faeaced83..36e6d0dbcc9c 100644 --- a/arch/x86/kernel/apic/x2apic_savic.c +++ b/arch/x86/kernel/apic/x2apic_savic.c @@ -330,6 +330,13 @@ static void savic_eoi(void) } } +static void savic_teardown(void) +{ + /* Disable Secure AVIC */ + native_wrmsrq(MSR_AMD64_SAVIC_CONTROL, 0); + savic_unregister_gpa(NULL); +} + static void savic_setup(void) { void *ap = this_cpu_ptr(savic_page); @@ -385,6 +392,7 @@ static struct apic apic_x2apic_savic __ro_after_init = { .probe = savic_probe, .acpi_madt_oem_check = savic_acpi_madt_oem_check, .setup = savic_setup, + .teardown = savic_teardown, .dest_mode_logical = false, |