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x86/apic: Remove check_phys_apicid_present()

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The only silly usage site is gone. Remove the gunk which was even outright
wrong in the bigsmp_32 case which returned true unconditionally.

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)
This commit is contained in:
Thomas Gleixner 2023-08-08 15:03:52 -07:00 committed by Dave Hansen
parent 55cc40d3df
commit f52e2c3e96
11 changed files with 0 additions and 24 deletions
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2
arch/x86/include/asm/apic.h
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@ -305,7 +305,6 @@ struct apic {
void (*setup_apic_routing)(void);
int (*cpu_present_to_apicid)(int mps_cpu);
void (*apicid_to_cpu_present)(int phys_apicid, physid_mask_t *retmap);
int (*check_phys_apicid_present)(int phys_apicid);
int (*phys_pkg_id)(int cpuid_apic, int index_msb);
u32 (*get_apic_id)(unsigned long x);
@ -485,7 +484,6 @@ extern u32 apic_flat_calc_apicid(unsigned int cpu);
extern bool default_check_apicid_used(physid_mask_t *map, int apicid);
extern void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap);
extern int default_cpu_present_to_apicid(int mps_cpu);
extern int default_check_phys_apicid_present(int phys_apicid);
#else /* CONFIG_X86_LOCAL_APIC */

5
arch/x86/kernel/apic/apic_common.c
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@ -35,11 +35,6 @@ int default_cpu_present_to_apicid(int mps_cpu)
}
EXPORT_SYMBOL_GPL(default_cpu_present_to_apicid);
int default_check_phys_apicid_present(int phys_apicid)
{
return physid_isset(phys_apicid, phys_cpu_present_map);
}
int default_apic_id_valid(u32 apicid)
{
return (apicid < 255);

2
arch/x86/kernel/apic/apic_flat_64.c
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@ -124,7 +124,6 @@ static struct apic apic_flat __ro_after_init = {
.setup_apic_routing = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.apicid_to_cpu_present = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.phys_pkg_id = flat_phys_pkg_id,
.get_apic_id = flat_get_apic_id,
@ -213,7 +212,6 @@ static struct apic apic_physflat __ro_after_init = {
.setup_apic_routing = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.apicid_to_cpu_present = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.phys_pkg_id = flat_phys_pkg_id,
.get_apic_id = flat_get_apic_id,

2
arch/x86/kernel/apic/apic_noop.c
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@ -107,8 +107,6 @@ struct apic apic_noop __ro_after_init = {
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.apicid_to_cpu_present = physid_set_mask_of_physid,
.check_phys_apicid_present = default_check_phys_apicid_present,
.phys_pkg_id = noop_phys_pkg_id,
.get_apic_id = noop_get_apic_id,

2
arch/x86/kernel/apic/apic_numachip.c
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@ -257,7 +257,6 @@ static const struct apic apic_numachip1 __refconst = {
.setup_apic_routing = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.apicid_to_cpu_present = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.phys_pkg_id = numachip_phys_pkg_id,
.get_apic_id = numachip1_get_apic_id,
@ -303,7 +302,6 @@ static const struct apic apic_numachip2 __refconst = {
.setup_apic_routing = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.apicid_to_cpu_present = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.phys_pkg_id = numachip_phys_pkg_id,
.get_apic_id = numachip2_get_apic_id,

6
arch/x86/kernel/apic/bigsmp_32.c
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@ -63,11 +63,6 @@ static void bigsmp_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *re
physids_promote(0xFFL, retmap);
}
static int bigsmp_check_phys_apicid_present(int phys_apicid)
{
return 1;
}
static int bigsmp_phys_pkg_id(int cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
@ -138,7 +133,6 @@ static struct apic apic_bigsmp __ro_after_init = {
.setup_apic_routing = bigsmp_setup_apic_routing,
.cpu_present_to_apicid = bigsmp_cpu_present_to_apicid,
.apicid_to_cpu_present = physid_set_mask_of_physid,
.check_phys_apicid_present = bigsmp_check_phys_apicid_present,
.phys_pkg_id = bigsmp_phys_pkg_id,
.get_apic_id = bigsmp_get_apic_id,

1
arch/x86/kernel/apic/probe_32.c
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@ -80,7 +80,6 @@ static struct apic apic_default __ro_after_init = {
.setup_apic_routing = setup_apic_flat_routing,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.apicid_to_cpu_present = physid_set_mask_of_physid,
.check_phys_apicid_present = default_check_phys_apicid_present,
.phys_pkg_id = default_phys_pkg_id,
.get_apic_id = default_get_apic_id,

1
arch/x86/kernel/apic/x2apic_cluster.c
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@ -250,7 +250,6 @@ static struct apic apic_x2apic_cluster __ro_after_init = {
.setup_apic_routing = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.apicid_to_cpu_present = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.phys_pkg_id = x2apic_phys_pkg_id,
.get_apic_id = x2apic_get_apic_id,

1
arch/x86/kernel/apic/x2apic_phys.c
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@ -174,7 +174,6 @@ static struct apic apic_x2apic_phys __ro_after_init = {
.setup_apic_routing = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.apicid_to_cpu_present = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.phys_pkg_id = x2apic_phys_pkg_id,
.get_apic_id = x2apic_get_apic_id,

1
arch/x86/kernel/apic/x2apic_uv_x.c
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@ -846,7 +846,6 @@ static struct apic apic_x2apic_uv_x __ro_after_init = {
.setup_apic_routing = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.apicid_to_cpu_present = NULL,
.check_phys_apicid_present = default_check_phys_apicid_present,
.phys_pkg_id = uv_phys_pkg_id,
.get_apic_id = x2apic_get_apic_id,

1
arch/x86/xen/apic.c
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@ -154,7 +154,6 @@ static struct apic xen_pv_apic = {
.setup_apic_routing = NULL,
.cpu_present_to_apicid = xen_cpu_present_to_apicid,
.apicid_to_cpu_present = physid_set_mask_of_physid, /* Used on 32-bit */
.check_phys_apicid_present = default_check_phys_apicid_present, /* smp_sanity_check needs it */
.phys_pkg_id = xen_phys_pkg_id, /* detect_ht */
.get_apic_id = xen_get_apic_id,