[patch 53/58] x86/apic: Convert other overrides to apic_update_callback()

From: Thomas Gleixner
Date: Mon Jul 17 2023 - 19:21:32 EST


Convert all places which just assign a new function directly to the apic
callback to use apic_update_callback() which prepares for using static
calls.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/hyperv/hv_apic.c | 20 ++++++++++----------
arch/x86/kernel/kvm.c | 4 ++--
arch/x86/kernel/sev.c | 2 +-
3 files changed, 13 insertions(+), 13 deletions(-)

--- a/arch/x86/hyperv/hv_apic.c
+++ b/arch/x86/hyperv/hv_apic.c
@@ -288,12 +288,12 @@ void __init hv_apic_init(void)
*/
orig_apic = *apic;

- apic->send_IPI = hv_send_ipi;
- apic->send_IPI_mask = hv_send_ipi_mask;
- apic->send_IPI_mask_allbutself = hv_send_ipi_mask_allbutself;
- apic->send_IPI_allbutself = hv_send_ipi_allbutself;
- apic->send_IPI_all = hv_send_ipi_all;
- apic->send_IPI_self = hv_send_ipi_self;
+ apic_update_callback(send_IPI, hv_send_ipi);
+ apic_update_callback(send_IPI_mask, hv_send_ipi_mask);
+ apic_update_callback(send_IPI_mask_allbutself, hv_send_ipi_mask_allbutself);
+ apic_update_callback(send_IPI_allbutself, hv_send_ipi_allbutself);
+ apic_update_callback(send_IPI_all, hv_send_ipi_all);
+ apic_update_callback(send_IPI_self, hv_send_ipi_self);
}

if (ms_hyperv.hints & HV_X64_APIC_ACCESS_RECOMMENDED) {
@@ -312,10 +312,10 @@ void __init hv_apic_init(void)
*/
apic_update_callback(eoi, hv_apic_eoi_write);
if (!x2apic_enabled()) {
- apic->read = hv_apic_read;
- apic->write = hv_apic_write;
- apic->icr_write = hv_apic_icr_write;
- apic->icr_read = hv_apic_icr_read;
+ apic_update_callback(read, hv_apic_read);
+ apic_update_callback(write, hv_apic_write);
+ apic_update_callback(icr_write, hv_apic_icr_write);
+ apic_update_callback(icr_read, hv_apic_icr_read);
}
}
}
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -624,8 +624,8 @@ late_initcall(setup_efi_kvm_sev_migratio
*/
static void kvm_setup_pv_ipi(void)
{
- apic->send_IPI_mask = kvm_send_ipi_mask;
- apic->send_IPI_mask_allbutself = kvm_send_ipi_mask_allbutself;
+ apic_update_callback(send_IPI_mask, kvm_send_ipi_mask);
+ apic_update_callback(send_IPI_mask_allbutself, kvm_send_ipi_mask_allbutself);
pr_info("setup PV IPIs\n");
}

--- a/arch/x86/kernel/sev.c
+++ b/arch/x86/kernel/sev.c
@@ -1099,7 +1099,7 @@ void snp_set_wakeup_secondary_cpu(void)
* required method to start APs under SNP. If the hypervisor does
* not support AP creation, then no APs will be started.
*/
- apic->wakeup_secondary_cpu = wakeup_cpu_via_vmgexit;
+ apic_update_callback(wakeup_secondary_cpu, wakeup_cpu_via_vmgexit);
}

int __init sev_es_setup_ap_jump_table(struct real_mode_header *rmh)