[patch 5/9] x86, apic: Remove check_apicid_present callback

David Rientjes
2014-07-31T06:53:44Z

The check_apicid_present() apic callback is never called, so remove it
and functions that implement it.

Signed-off-by: David Rientjes <rientjes@google.com>
---
arch/x86/include/asm/apic.h | 6 ------
arch/x86/kernel/apic/apic_flat_64.c | 2 --
arch/x86/kernel/apic/apic_noop.c | 6 ------
arch/x86/kernel/apic/apic_numachip.c | 1 -
arch/x86/kernel/apic/bigsmp_32.c | 6 ------
arch/x86/kernel/apic/probe_32.c | 1 -
arch/x86/kernel/apic/x2apic_cluster.c | 1 -
arch/x86/kernel/apic/x2apic_phys.c | 1 -
arch/x86/kernel/apic/x2apic_uv_x.c | 1 -
9 files changed, 25 deletions(-)

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -292,7 +292,6 @@ struct apic {

int dest_logical;
unsigned long (*check_apicid_used)(physid_mask_t *map, int apicid);
- unsigned long (*check_apicid_present)(int apicid);

void (*vector_allocation_domain)(int cpu, struct cpumask *retmask,
const struct cpumask *mask);
@@ -608,11 +607,6 @@ static inline unsigned long default_check_apicid_used(physid_mask_t *map, int ap
return physid_isset(apicid, *map);
}

-static inline unsigned long default_check_apicid_present(int bit)
-{
- return physid_isset(bit, phys_cpu_present_map);
-}
-
static inline void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap)
{
*retmap = *phys_map;
diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -168,7 +168,6 @@ static struct apic apic_flat = {
.disable_esr = 0,
.dest_logical = APIC_DEST_LOGICAL,
.check_apicid_used = NULL,
- .check_apicid_present = NULL,

.vector_allocation_domain = flat_vector_allocation_domain,
.init_apic_ldr = flat_init_apic_ldr,
@@ -279,7 +278,6 @@ static struct apic apic_physflat = {
.disable_esr = 0,
.dest_logical = 0,
.check_apicid_used = NULL,
- .check_apicid_present = NULL,

.vector_allocation_domain = default_vector_allocation_domain,
/* not needed, but shouldn't hurt: */
diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -94,11 +94,6 @@ static unsigned long noop_check_apicid_used(physid_mask_t *map, int apicid)
return physid_isset(apicid, *map);
}

-static unsigned long noop_check_apicid_present(int bit)
-{
- return physid_isset(bit, phys_cpu_present_map);
-}
-
static void noop_vector_allocation_domain(int cpu, struct cpumask *retmask,
const struct cpumask *mask)
{
@@ -134,7 +129,6 @@ struct apic apic_noop = {
.disable_esr = 0,
.dest_logical = APIC_DEST_LOGICAL,
.check_apicid_used = noop_check_apicid_used,
- .check_apicid_present = noop_check_apicid_present,

.vector_allocation_domain = noop_vector_allocation_domain,
.init_apic_ldr = noop_init_apic_ldr,
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -217,7 +217,6 @@ static const struct apic apic_numachip __refconst = {
.disable_esr = 0,
.dest_logical = 0,
.check_apicid_used = NULL,
- .check_apicid_present = NULL,

.vector_allocation_domain = default_vector_allocation_domain,
.init_apic_ldr = flat_init_apic_ldr,
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -31,11 +31,6 @@ static unsigned long bigsmp_check_apicid_used(physid_mask_t *map, int apicid)
return 0;
}

-static unsigned long bigsmp_check_apicid_present(int bit)
-{
- return 1;
-}
-
static int bigsmp_early_logical_apicid(int cpu)
{
/* on bigsmp, logical apicid is the same as physical */
@@ -168,7 +163,6 @@ static struct apic apic_bigsmp = {
.disable_esr = 1,
.dest_logical = 0,
.check_apicid_used = bigsmp_check_apicid_used,
- .check_apicid_present = bigsmp_check_apicid_present,

.vector_allocation_domain = default_vector_allocation_domain,
.init_apic_ldr = bigsmp_init_apic_ldr,
diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -88,7 +88,6 @@ static struct apic apic_default = {
.disable_esr = 0,
.dest_logical = APIC_DEST_LOGICAL,
.check_apicid_used = default_check_apicid_used,
- .check_apicid_present = default_check_apicid_present,

.vector_allocation_domain = flat_vector_allocation_domain,
.init_apic_ldr = default_init_apic_ldr,
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -249,7 +249,6 @@ static struct apic apic_x2apic_cluster = {
.disable_esr = 0,
.dest_logical = APIC_DEST_LOGICAL,
.check_apicid_used = NULL,
- .check_apicid_present = NULL,

.vector_allocation_domain = cluster_vector_allocation_domain,
.init_apic_ldr = init_x2apic_ldr,
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -103,7 +103,6 @@ static struct apic apic_x2apic_phys = {
.disable_esr = 0,
.dest_logical = 0,
.check_apicid_used = NULL,
- .check_apicid_present = NULL,

.vector_allocation_domain = default_vector_allocation_domain,
.init_apic_ldr = init_x2apic_ldr,
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -365,7 +365,6 @@ static struct apic __refdata apic_x2apic_uv_x = {
.disable_esr = 0,
.dest_logical = APIC_DEST_LOGICAL,
.check_apicid_used = NULL,
- .check_apicid_present = NULL,

.vector_allocation_domain = default_vector_allocation_domain,
.init_apic_ldr = uv_init_apic_ldr,