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authorThomas Gleixner <tglx@linutronix.de>2023-08-08 15:04:21 -0700
committerDave Hansen <dave.hansen@linux.intel.com>2023-08-09 12:00:46 -0700
commitac72b92d8cec9ee96f15301a4d5a3dd455c0a7cf (patch)
treec79ba158007d08baf7784564277beefe4a6b17f2
parentd6f361ea706710f8d582bb176793b779a3b8b2ca (diff)
x86/xen/apic: Mark apic __ro_after_init
Nothing can change it post init. Remove the 32bit callbacks and comments as XENPV is strictly 64bit. While at it mop up the whitespace damage which causes eyebleed due to an editor which is highlighting it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Michael Kelley <mikelley@microsoft.com> Tested-by: Sohil Mehta <sohil.mehta@intel.com> Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest) Cc: Juergen Gross <jgross@suse.com>
-rw-r--r--arch/x86/xen/apic.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c
index 315ffd8d377f..7ad91225fdf4 100644
--- a/arch/x86/xen/apic.c
+++ b/arch/x86/xen/apic.c
@@ -123,43 +123,41 @@ static int xen_cpu_present_to_apicid(int cpu)
return BAD_APICID;
}
-static struct apic xen_pv_apic = {
- .name = "Xen PV",
- .probe = xen_apic_probe_pv,
+static struct apic xen_pv_apic __ro_after_init = {
+ .name = "Xen PV",
+ .probe = xen_apic_probe_pv,
.acpi_madt_oem_check = xen_madt_oem_check,
/* .delivery_mode and .dest_mode_logical not used by XENPV */
.disable_esr = 0,
- .check_apicid_used = default_check_apicid_used, /* Used on 32-bit */
- .ioapic_phys_id_map = default_ioapic_phys_id_map, /* Used on 32-bit */
.cpu_present_to_apicid = xen_cpu_present_to_apicid,
.phys_pkg_id = xen_phys_pkg_id, /* detect_ht */
.max_apic_id = UINT_MAX,
- .get_apic_id = xen_get_apic_id,
- .set_apic_id = xen_set_apic_id, /* Can be NULL on 32-bit. */
+ .get_apic_id = xen_get_apic_id,
+ .set_apic_id = xen_set_apic_id,
.calc_dest_apicid = apic_flat_calc_apicid,
#ifdef CONFIG_SMP
- .send_IPI_mask = xen_send_IPI_mask,
- .send_IPI_mask_allbutself = xen_send_IPI_mask_allbutself,
- .send_IPI_allbutself = xen_send_IPI_allbutself,
- .send_IPI_all = xen_send_IPI_all,
- .send_IPI_self = xen_send_IPI_self,
+ .send_IPI_mask = xen_send_IPI_mask,
+ .send_IPI_mask_allbutself = xen_send_IPI_mask_allbutself,
+ .send_IPI_allbutself = xen_send_IPI_allbutself,
+ .send_IPI_all = xen_send_IPI_all,
+ .send_IPI_self = xen_send_IPI_self,
#endif
.read = xen_apic_read,
.write = xen_apic_write,
.eoi = xen_apic_eoi,
- .icr_read = xen_apic_icr_read,
- .icr_write = xen_apic_icr_write,
+ .icr_read = xen_apic_icr_read,
+ .icr_write = xen_apic_icr_write,
};
+apic_driver(xen_pv_apic);
void __init xen_init_apic(void)
{
x86_apic_ops.io_apic_read = xen_io_apic_read;
}
-apic_driver(xen_pv_apic);