12 files changed, 27 insertions, 12 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index e2f3ca73f40d..916af9cbac65 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -47,6 +47,7 @@ config MIPS
 	select GENERIC_SMP_IDLE_THREAD
 	select GENERIC_TIME_VSYSCALL
 	select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
+	select HAS_IOPORT if !NO_IOPORT_MAP || ISA
 	select HAVE_ARCH_COMPILER_H
 	select HAVE_ARCH_JUMP_LABEL
 	select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
@@ -63,10 +64,7 @@ config MIPS
 	select HAVE_DEBUG_STACKOVERFLOW
 	select HAVE_DMA_CONTIGUOUS
 	select HAVE_DYNAMIC_FTRACE
-	select HAVE_EBPF_JIT if !CPU_MICROMIPS && \
-				!CPU_DADDI_WORKAROUNDS && \
-				!CPU_R4000_WORKAROUNDS && \
-				!CPU_R4400_WORKAROUNDS
+	select HAVE_EBPF_JIT if !CPU_MICROMIPS
 	select HAVE_EXIT_THREAD
 	select HAVE_FAST_GUP
 	select HAVE_FTRACE_MCOUNT_RECORD
diff --git a/arch/mips/ar7/gpio.c b/arch/mips/ar7/gpio.c
index ae0e01b9438f..4ed833b9cc2f 100644
--- a/arch/mips/ar7/gpio.c
+++ b/arch/mips/ar7/gpio.c
@@ -7,7 +7,7 @@
 
 #include <linux/init.h>
 #include <linux/export.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
 
 #include <asm/mach-ar7/ar7.h>
 
diff --git a/arch/mips/bmips/dma.c b/arch/mips/bmips/dma.c
index 33788668cbdb..3779e7855bd7 100644
--- a/arch/mips/bmips/dma.c
+++ b/arch/mips/bmips/dma.c
@@ -5,6 +5,8 @@
 #include <asm/bmips.h>
 #include <asm/io.h>
 
+bool bmips_rac_flush_disable;
+
 void arch_sync_dma_for_cpu_all(void)
 {
 	void __iomem *cbr = BMIPS_GET_CBR();
@@ -15,6 +17,9 @@ void arch_sync_dma_for_cpu_all(void)
 	    boot_cpu_type() != CPU_BMIPS4380)
 		return;
 
+	if (unlikely(bmips_rac_flush_disable))
+		return;
+
 	/* Flush stale data out of the readahead cache */
 	cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG);
 	__raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG);
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index e95b3f78e7cd..549a6392a3d2 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -35,6 +35,8 @@
 #define REG_BCM6328_OTP		((void __iomem *)CKSEG1ADDR(0x1000062c))
 #define BCM6328_TP1_DISABLED	BIT(9)
 
+extern bool bmips_rac_flush_disable;
+
 static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000;
 
 struct bmips_quirk {
@@ -104,6 +106,12 @@ static void bcm6358_quirks(void)
 	 * disable SMP for now
 	 */
 	bmips_smp_enabled = 0;
+
+	/*
+	 * RAC flush causes kernel panics on BCM6358 when booting from TP1
+	 * because the bootloader is not initializing it properly.
+	 */
+	bmips_rac_flush_disable = !!(read_c0_brcm_cmt_local() & (1 << 31));
 }
 
 static void bcm6368_quirks(void)
diff --git a/arch/mips/configs/loongson2k_defconfig b/arch/mips/configs/loongson2k_defconfig
index 728bef666f7a..0ab029ecad21 100644
--- a/arch/mips/configs/loongson2k_defconfig
+++ b/arch/mips/configs/loongson2k_defconfig
@@ -154,7 +154,6 @@ CONFIG_TUN=m
 CONFIG_E1000=y
 CONFIG_E1000E=y
 CONFIG_IGB=y
-CONFIG_IXGB=y
 CONFIG_IXGBE=y
 # CONFIG_NET_VENDOR_MARVELL is not set
 # CONFIG_NET_VENDOR_MELLANOX is not set
diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig
index aca66a5f330d..6f4a52608ea4 100644
--- a/arch/mips/configs/loongson3_defconfig
+++ b/arch/mips/configs/loongson3_defconfig
@@ -207,7 +207,6 @@ CONFIG_VIRTIO_NET=m
 CONFIG_E1000=y
 CONFIG_E1000E=y
 CONFIG_IGB=y
-CONFIG_IXGB=y
 CONFIG_IXGBE=y
 # CONFIG_NET_VENDOR_MARVELL is not set
 # CONFIG_NET_VENDOR_MELLANOX is not set
diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig
index 89a1511d2ee4..e1b66aac7025 100644
--- a/arch/mips/configs/mtx1_defconfig
+++ b/arch/mips/configs/mtx1_defconfig
@@ -280,10 +280,10 @@ CONFIG_SUNDANCE=m
 CONFIG_PCMCIA_FMVJ18X=m
 CONFIG_E100=m
 CONFIG_E1000=m
-CONFIG_IXGB=m
 CONFIG_SKGE=m
 CONFIG_SKY2=m
 CONFIG_MYRI10GE=m
+CONFIG_FEALNX=m
 CONFIG_NATSEMI=m
 CONFIG_NS83820=m
 CONFIG_S2IO=m
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 52cbde60edf5..9ff55cb80a64 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -15,6 +15,8 @@
 #define EMITS_PT_NOTE
 #endif
 
+#define RUNTIME_DISCARD_EXIT
+
 #include <asm-generic/vmlinux.lds.h>
 
 #undef mips
diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig
index 29e51649203b..a8cdba75f98d 100644
--- a/arch/mips/kvm/Kconfig
+++ b/arch/mips/kvm/Kconfig
@@ -26,7 +26,6 @@ config KVM
 	select HAVE_KVM_VCPU_ASYNC_IOCTL
 	select KVM_MMIO
 	select MMU_NOTIFIER
-	select SRCU
 	select INTERVAL_TREE
 	select KVM_GENERIC_HARDWARE_ENABLING
 	help
diff --git a/arch/mips/net/bpf_jit_comp.c b/arch/mips/net/bpf_jit_comp.c
index b17130d510d4..a40d926b6513 100644
--- a/arch/mips/net/bpf_jit_comp.c
+++ b/arch/mips/net/bpf_jit_comp.c
@@ -218,9 +218,13 @@ bool valid_alu_i(u8 op, s32 imm)
 		/* All legal eBPF values are valid */
 		return true;
 	case BPF_ADD:
+		if (IS_ENABLED(CONFIG_CPU_DADDI_WORKAROUNDS))
+			return false;
 		/* imm must be 16 bits */
 		return imm >= -0x8000 && imm <= 0x7fff;
 	case BPF_SUB:
+		if (IS_ENABLED(CONFIG_CPU_DADDI_WORKAROUNDS))
+			return false;
 		/* -imm must be 16 bits */
 		return imm >= -0x7fff && imm <= 0x8000;
 	case BPF_AND:
diff --git a/arch/mips/net/bpf_jit_comp64.c b/arch/mips/net/bpf_jit_comp64.c
index 0e7c1bdcf914..fa7e9aa37f49 100644
--- a/arch/mips/net/bpf_jit_comp64.c
+++ b/arch/mips/net/bpf_jit_comp64.c
@@ -228,6 +228,9 @@ static void emit_alu_r64(struct jit_context *ctx, u8 dst, u8 src, u8 op)
 		} else {
 			emit(ctx, dmultu, dst, src);
 			emit(ctx, mflo, dst);
+			/* Ensure multiplication is completed */
+			if (IS_ENABLED(CONFIG_CPU_R4000_WORKAROUNDS))
+				emit(ctx, mfhi, MIPS_R_ZERO);
 		}
 		break;
 	/* dst = dst / src */
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index 18af9474ed0e..eb56581f6d73 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -4,9 +4,7 @@
 # Sanitizer runtimes are unavailable and cannot be linked here.
  KCSAN_SANITIZE			:= n
 
-# Absolute relocation type $(ARCH_REL_TYPE_ABS) needs to be defined before
-# the inclusion of generic Makefile.
-ARCH_REL_TYPE_ABS := R_MIPS_JUMP_SLOT|R_MIPS_GLOB_DAT
+# Include the generic Makefile to check the built vdso.
 include $(srctree)/lib/vdso/Makefile
 
 obj-vdso-y := elf.o vgettimeofday.o sigreturn.o