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-rw-r--r--arch/mips/Kconfig6
-rw-r--r--arch/mips/ar7/gpio.c2
-rw-r--r--arch/mips/bmips/dma.c5
-rw-r--r--arch/mips/bmips/setup.c8
-rw-r--r--arch/mips/configs/loongson2k_defconfig1
-rw-r--r--arch/mips/configs/loongson3_defconfig1
-rw-r--r--arch/mips/configs/mtx1_defconfig2
-rw-r--r--arch/mips/kernel/vmlinux.lds.S2
-rw-r--r--arch/mips/kvm/Kconfig1
-rw-r--r--arch/mips/net/bpf_jit_comp.c4
-rw-r--r--arch/mips/net/bpf_jit_comp64.c3
-rw-r--r--arch/mips/vdso/Makefile4
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