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-rw-r--r--arch/arm/include/asm/arch_gicv3.h47
-rw-r--r--arch/arm64/Kconfig4
-rw-r--r--arch/arm64/include/asm/arch_gicv3.h5
-rw-r--r--arch/openrisc/Kconfig4
-rw-r--r--arch/riscv/Kconfig1
-rw-r--r--arch/riscv/include/asm/Kbuild1
-rw-r--r--arch/riscv/kernel/entry.S7
-rw-r--r--arch/riscv/kernel/irq.c13
8 files changed, 45 insertions, 37 deletions
diff --git a/arch/arm/include/asm/arch_gicv3.h b/arch/arm/include/asm/arch_gicv3.h
index 1070044f5c3f..0bd530702118 100644
--- a/arch/arm/include/asm/arch_gicv3.h
+++ b/arch/arm/include/asm/arch_gicv3.h
@@ -35,6 +35,18 @@
#define ICC_IGRPEN1 __ACCESS_CP15(c12, 0, c12, 7)
#define ICC_BPR1 __ACCESS_CP15(c12, 0, c12, 3)
+#define __ICC_AP0Rx(x) __ACCESS_CP15(c12, 0, c8, 4 | x)
+#define ICC_AP0R0 __ICC_AP0Rx(0)
+#define ICC_AP0R1 __ICC_AP0Rx(1)
+#define ICC_AP0R2 __ICC_AP0Rx(2)
+#define ICC_AP0R3 __ICC_AP0Rx(3)
+
+#define __ICC_AP1Rx(x) __ACCESS_CP15(c12, 0, c9, x)
+#define ICC_AP1R0 __ICC_AP1Rx(0)
+#define ICC_AP1R1 __ICC_AP1Rx(1)
+#define ICC_AP1R2 __ICC_AP1Rx(2)
+#define ICC_AP1R3 __ICC_AP1Rx(3)
+
#define ICC_HSRE __ACCESS_CP15(c12, 4, c9, 5)
#define ICH_VSEIR __ACCESS_CP15(c12, 4, c9, 4)
@@ -86,17 +98,17 @@
#define ICH_LRC14 __LRC8(6)
#define ICH_LRC15 __LRC8(7)
-#define __AP0Rx(x) __ACCESS_CP15(c12, 4, c8, x)
-#define ICH_AP0R0 __AP0Rx(0)
-#define ICH_AP0R1 __AP0Rx(1)
-#define ICH_AP0R2 __AP0Rx(2)
-#define ICH_AP0R3 __AP0Rx(3)
+#define __ICH_AP0Rx(x) __ACCESS_CP15(c12, 4, c8, x)
+#define ICH_AP0R0 __ICH_AP0Rx(0)
+#define ICH_AP0R1 __ICH_AP0Rx(1)
+#define ICH_AP0R2 __ICH_AP0Rx(2)
+#define ICH_AP0R3 __ICH_AP0Rx(3)
-#define __AP1Rx(x) __ACCESS_CP15(c12, 4, c9, x)
-#define ICH_AP1R0 __AP1Rx(0)
-#define ICH_AP1R1 __AP1Rx(1)
-#define ICH_AP1R2 __AP1Rx(2)
-#define ICH_AP1R3 __AP1Rx(3)
+#define __ICH_AP1Rx(x) __ACCESS_CP15(c12, 4, c9, x)
+#define ICH_AP1R0 __ICH_AP1Rx(0)
+#define ICH_AP1R1 __ICH_AP1Rx(1)
+#define ICH_AP1R2 __ICH_AP1Rx(2)
+#define ICH_AP1R3 __ICH_AP1Rx(3)
/* A32-to-A64 mappings used by VGIC save/restore */
@@ -125,6 +137,16 @@ static inline u64 read_ ## a64(void) \
return val; \
}
+CPUIF_MAP(ICC_PMR, ICC_PMR_EL1)
+CPUIF_MAP(ICC_AP0R0, ICC_AP0R0_EL1)
+CPUIF_MAP(ICC_AP0R1, ICC_AP0R1_EL1)
+CPUIF_MAP(ICC_AP0R2, ICC_AP0R2_EL1)
+CPUIF_MAP(ICC_AP0R3, ICC_AP0R3_EL1)
+CPUIF_MAP(ICC_AP1R0, ICC_AP1R0_EL1)
+CPUIF_MAP(ICC_AP1R1, ICC_AP1R1_EL1)
+CPUIF_MAP(ICC_AP1R2, ICC_AP1R2_EL1)
+CPUIF_MAP(ICC_AP1R3, ICC_AP1R3_EL1)
+
CPUIF_MAP(ICH_HCR, ICH_HCR_EL2)
CPUIF_MAP(ICH_VTR, ICH_VTR_EL2)
CPUIF_MAP(ICH_MISR, ICH_MISR_EL2)
@@ -185,11 +207,6 @@ static inline u32 gic_read_iar(void)
return irqstat;
}
-static inline void gic_write_pmr(u32 val)
-{
- write_sysreg(val, ICC_PMR);
-}
-
static inline void gic_write_ctlr(u32 val)
{
write_sysreg(val, ICC_CTLR);
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 7381eeb7ef8e..302d0b681676 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -132,6 +132,7 @@ config ARM64
select IRQ_DOMAIN
select IRQ_FORCED_THREADING
select MODULES_USE_ELF_RELA
+ select MULTI_IRQ_HANDLER
select NO_BOOTMEM
select OF
select OF_EARLY_FLATTREE
@@ -275,6 +276,9 @@ config ARCH_SUPPORTS_UPROBES
config ARCH_PROC_KCORE_TEXT
def_bool y
+config MULTI_IRQ_HANDLER
+ def_bool y
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h
index 9becba9ab392..e278f94df0c9 100644
--- a/arch/arm64/include/asm/arch_gicv3.h
+++ b/arch/arm64/include/asm/arch_gicv3.h
@@ -76,11 +76,6 @@ static inline u64 gic_read_iar_cavium_thunderx(void)
return irqstat;
}
-static inline void gic_write_pmr(u32 val)
-{
- write_sysreg_s(val, SYS_ICC_PMR_EL1);
-}
-
static inline void gic_write_ctlr(u32 val)
{
write_sysreg_s(val, SYS_ICC_CTLR_EL1);
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index 339df7324e9c..9ecad05bfc73 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -27,6 +27,7 @@ config OPENRISC
select GENERIC_STRNLEN_USER
select GENERIC_SMP_IDLE_THREAD
select MODULES_USE_ELF_RELA
+ select MULTI_IRQ_HANDLER
select HAVE_DEBUG_STACKOVERFLOW
select OR1K_PIC
select CPU_NO_EFFICIENT_FFS if !OPENRISC_HAVE_INST_FF1
@@ -68,6 +69,9 @@ config STACKTRACE_SUPPORT
config LOCKDEP_SUPPORT
def_bool y
+config MULTI_IRQ_HANDLER
+ def_bool y
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 04807c7f64cc..148865de1692 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -33,6 +33,7 @@ config RISCV
select MODULES_USE_ELF_RELA if MODULES
select THREAD_INFO_IN_TASK
select RISCV_TIMER
+ select GENERIC_IRQ_MULTI_HANDLER
config MMU
def_bool y
diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild
index 4286a5f83876..1e5fd280fb4d 100644
--- a/arch/riscv/include/asm/Kbuild
+++ b/arch/riscv/include/asm/Kbuild
@@ -15,6 +15,7 @@ generic-y += fcntl.h
generic-y += futex.h
generic-y += hardirq.h
generic-y += hash.h
+generic-y += handle_irq.h
generic-y += hw_irq.h
generic-y += ioctl.h
generic-y += ioctls.h
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index 56fa592cfa34..9aaf6c986771 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -167,10 +167,9 @@ ENTRY(handle_exception)
bge s4, zero, 1f
/* Handle interrupts */
- slli a0, s4, 1
- srli a0, a0, 1
- move a1, sp /* pt_regs */
- tail do_IRQ
+ move a0, sp /* pt_regs */
+ REG_L a1, handle_arch_irq
+ jr a1
1:
/* Exceptions run with interrupts enabled */
csrs sstatus, SR_SIE
diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c
index 328718e8026e..b74cbfbce2d0 100644
--- a/arch/riscv/kernel/irq.c
+++ b/arch/riscv/kernel/irq.c
@@ -24,16 +24,3 @@ void __init init_IRQ(void)
{
irqchip_init();
}
-
-asmlinkage void __irq_entry do_IRQ(unsigned int cause, struct pt_regs *regs)
-{
-#ifdef CONFIG_RISCV_INTC
- /*
- * FIXME: We don't want a direct call to riscv_intc_irq here. The plan
- * is to put an IRQ domain here and let the interrupt controller
- * register with that, but I poked around the arm64 code a bit and
- * there might be a better way to do it (ie, something fully generic).
- */
- riscv_intc_irq(cause, regs);
-#endif
-}