x86, apic: Remove multi_timer_check callback

Since commit b5660ba76b41 ("x86, platforms: Remove NUMAQ") removed NUMAQ,
the multi_timer_check() apic callback has been obsolete.  Remove it.

Signed-off-by: David Rientjes <rientjes@google.com>
Link: http://lkml.kernel.org/r/alpine.DEB.2.02.1407302351120.17503@chino.kir.corp.google.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index e1c0c2d..d8da5fc 100644 (file)
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -300,7 +300,6 @@ struct apic {
        void (*ioapic_phys_id_map)(physid_mask_t *phys_map, physid_mask_t *retmap);
 
        void (*setup_apic_routing)(void);
-       int (*multi_timer_check)(int apic, int irq);
        int (*cpu_present_to_apicid)(int mps_cpu);
        void (*apicid_to_cpu_present)(int phys_apicid, physid_mask_t *retmap);
        void (*setup_portio_remap)(void);

diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
index a8ed9ac..f23b5e8 100644 (file)
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -174,7 +174,6 @@ static struct apic apic_flat =  {
 
        .ioapic_phys_id_map             = NULL,
        .setup_apic_routing             = NULL,
-       .multi_timer_check              = NULL,
        .cpu_present_to_apicid          = default_cpu_present_to_apicid,
        .apicid_to_cpu_present          = NULL,
        .setup_portio_remap             = NULL,
@@ -285,7 +284,6 @@ static struct apic apic_physflat =  {
 
        .ioapic_phys_id_map             = NULL,
        .setup_apic_routing             = NULL,
-       .multi_timer_check              = NULL,
        .cpu_present_to_apicid          = default_cpu_present_to_apicid,
        .apicid_to_cpu_present          = NULL,
        .setup_portio_remap             = NULL,

diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
index c480dac..66a91e5 100644 (file)
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -130,7 +130,6 @@ struct apic apic_noop = {
 
        .ioapic_phys_id_map             = default_ioapic_phys_id_map,
        .setup_apic_routing             = NULL,
-       .multi_timer_check              = NULL,
 
        .cpu_present_to_apicid          = default_cpu_present_to_apicid,
        .apicid_to_cpu_present          = physid_set_mask_of_physid,

diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
index b49eb40..3d7f6b2 100644 (file)
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -223,7 +223,6 @@ static const struct apic apic_numachip __refconst = {
 
        .ioapic_phys_id_map             = NULL,
        .setup_apic_routing             = NULL,
-       .multi_timer_check              = NULL,
        .cpu_present_to_apicid          = default_cpu_present_to_apicid,
        .apicid_to_cpu_present          = NULL,
        .setup_portio_remap             = NULL,

diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index 163ad45..fa99280 100644 (file)
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -169,7 +169,6 @@ static struct apic apic_bigsmp = {
 
        .ioapic_phys_id_map             = bigsmp_ioapic_phys_id_map,
        .setup_apic_routing             = bigsmp_setup_apic_routing,
-       .multi_timer_check              = NULL,
        .cpu_present_to_apicid          = bigsmp_cpu_present_to_apicid,
        .apicid_to_cpu_present          = physid_set_mask_of_physid,
        .setup_portio_remap             = NULL,

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index a44dce8..29290f5 100644 (file)
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3882,14 +3882,6 @@ int mp_irqdomain_map(struct irq_domain *domain, unsigned int virq,
        struct mp_pin_info *info = mp_pin_info(ioapic, hwirq);
        struct io_apic_irq_attr attr;
 
-       /*
-        * Skip the timer IRQ if there's a quirk handler installed and if it
-        * returns 1:
-        */
-       if (apic->multi_timer_check &&
-           apic->multi_timer_check(ioapic, virq))
-               return 0;
-
        /* Get default attribute if not set by caller yet */
        if (!info->set) {
                u32 gsi = mp_pin_to_gsi(ioapic, hwirq);
@@ -3919,14 +3911,6 @@ void mp_irqdomain_unmap(struct irq_domain *domain, unsigned int virq)
        int ioapic = (int)(long)domain->host_data;
        int pin = (int)data->hwirq;
 
-       /*
-        * Skip the timer IRQ if there's a quirk handler installed and if it
-        * returns 1:
-        */
-       if (apic->multi_timer_check &&
-           apic->multi_timer_check(ioapic, virq))
-               return;
-
        ioapic_mask_entry(ioapic, pin);
        __remove_pin_from_irq(cfg, ioapic, pin);
        WARN_ON(cfg->irq_2_pin != NULL);

diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
index 4d92ef8..a445842 100644 (file)
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -94,7 +94,6 @@ static struct apic apic_default = {
 
        .ioapic_phys_id_map             = default_ioapic_phys_id_map,
        .setup_apic_routing             = setup_apic_flat_routing,
-       .multi_timer_check              = NULL,
        .cpu_present_to_apicid          = default_cpu_present_to_apicid,
        .apicid_to_cpu_present          = physid_set_mask_of_physid,
        .setup_portio_remap             = NULL,

diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index d7bbe89..88eeaa9 100644 (file)
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -255,7 +255,6 @@ static struct apic apic_x2apic_cluster = {
 
        .ioapic_phys_id_map             = NULL,
        .setup_apic_routing             = NULL,
-       .multi_timer_check              = NULL,
        .cpu_present_to_apicid          = default_cpu_present_to_apicid,
        .apicid_to_cpu_present          = NULL,
        .setup_portio_remap             = NULL,

diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index e23bec9..29614ae 100644 (file)
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -109,7 +109,6 @@ static struct apic apic_x2apic_phys = {
 
        .ioapic_phys_id_map             = NULL,
        .setup_apic_routing             = NULL,
-       .multi_timer_check              = NULL,
        .cpu_present_to_apicid          = default_cpu_present_to_apicid,
        .apicid_to_cpu_present          = NULL,
        .setup_portio_remap             = NULL,

diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 633732f..5376012 100644 (file)
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -371,7 +371,6 @@ static struct apic __refdata apic_x2apic_uv_x = {
 
        .ioapic_phys_id_map             = NULL,
        .setup_apic_routing             = NULL,
-       .multi_timer_check              = NULL,
        .cpu_present_to_apicid          = default_cpu_present_to_apicid,
        .apicid_to_cpu_present          = NULL,
        .setup_portio_remap             = NULL,