i8257: remove cpu_request_exit irq

This is unused.  cpu_exit now is almost exclusively an internal function
to the CPU execution loop.  In a few patches, we'll change the remaining
occurrences to qemu_cpu_kick, making it truly internal.

Reviewed-by: Richard henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

3 files changed, 3 insertions, 36 deletions

diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c
index dea941ad88..6d2ea30bb0 100644
--- a/hw/mips/mips_fulong2e.c
+++ b/hw/mips/mips_fulong2e.c
@@ -251,15 +251,6 @@ static void network_init (PCIBus *pci_bus)
     }
 }
 
-static void cpu_request_exit(void *opaque, int irq, int level)
-{
-    CPUState *cpu = current_cpu;
-
-    if (cpu && level) {
-        cpu_exit(cpu);
-    }
-}
-
 static void mips_fulong2e_init(MachineState *machine)
 {
     ram_addr_t ram_size = machine->ram_size;
@@ -274,7 +265,6 @@ static void mips_fulong2e_init(MachineState *machine)
     long bios_size;
     int64_t kernel_entry;
     qemu_irq *i8259;
-    qemu_irq *cpu_exit_irq;
     PCIBus *pci_bus;
     ISABus *isa_bus;
     I2CBus *smbus;
@@ -375,8 +365,7 @@ static void mips_fulong2e_init(MachineState *machine)
 
     /* init other devices */
     pit = pit_init(isa_bus, 0x40, 0, NULL);
-    cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
-    DMA_init(0, cpu_exit_irq);
+    DMA_init(0);
 
     /* Super I/O */
     isa_create_simple(isa_bus, "i8042");
diff --git a/hw/mips/mips_jazz.c b/hw/mips/mips_jazz.c
index 9d60633efb..3906016ac4 100644
--- a/hw/mips/mips_jazz.c
+++ b/hw/mips/mips_jazz.c
@@ -104,15 +104,6 @@ static const MemoryRegionOps dma_dummy_ops = {
 #define MAGNUM_BIOS_SIZE_MAX 0x7e000
 #define MAGNUM_BIOS_SIZE (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX)
 
-static void cpu_request_exit(void *opaque, int irq, int level)
-{
-    CPUState *cpu = current_cpu;
-
-    if (cpu && level) {
-        cpu_exit(cpu);
-    }
-}
-
 static CPUUnassignedAccess real_do_unassigned_access;
 static void mips_jazz_do_unassigned_access(CPUState *cpu, hwaddr addr,
                                            bool is_write, bool is_exec,
@@ -150,7 +141,6 @@ static void mips_jazz_init(MachineState *machine,
     ISADevice *pit;
     DriveInfo *fds[MAX_FD];
     qemu_irq esp_reset, dma_enable;
-    qemu_irq *cpu_exit_irq;
     MemoryRegion *ram = g_new(MemoryRegion, 1);
     MemoryRegion *bios = g_new(MemoryRegion, 1);
     MemoryRegion *bios2 = g_new(MemoryRegion, 1);
@@ -234,8 +224,7 @@ static void mips_jazz_init(MachineState *machine,
     /* ISA devices */
     i8259 = i8259_init(isa_bus, env->irq[4]);
     isa_bus_irqs(isa_bus, i8259);
-    cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
-    DMA_init(0, cpu_exit_irq);
+    DMA_init(0);
     pit = pit_init(isa_bus, 0x40, 0, NULL);
     pcspk_init(isa_bus, pit);
 
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
index 3082e75340..23b6fc36a5 100644
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@@ -905,15 +905,6 @@ static void main_cpu_reset(void *opaque)
     }
 }
 
-static void cpu_request_exit(void *opaque, int irq, int level)
-{
-    CPUState *cpu = current_cpu;
-
-    if (cpu && level) {
-        cpu_exit(cpu);
-    }
-}
-
 static
 void mips_malta_init(MachineState *machine)
 {
@@ -939,7 +930,6 @@ void mips_malta_init(MachineState *machine)
     MIPSCPU *cpu;
     CPUMIPSState *env;
     qemu_irq *isa_irq;
-    qemu_irq *cpu_exit_irq;
     int piix4_devfn;
     I2CBus *smbus;
     int i;
@@ -1175,8 +1165,7 @@ void mips_malta_init(MachineState *machine)
     smbus_eeprom_init(smbus, 8, smbus_eeprom_buf, smbus_eeprom_size);
     g_free(smbus_eeprom_buf);
     pit = pit_init(isa_bus, 0x40, 0, NULL);
-    cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
-    DMA_init(0, cpu_exit_irq);
+    DMA_init(0);
 
     /* Super I/O */
     isa_create_simple(isa_bus, "i8042");