diff options
Diffstat (limited to 'arch/mips')
77 files changed, 326 insertions, 179 deletions
diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild index af2967bffb73..e2d623621a00 100644 --- a/arch/mips/Kbuild +++ b/arch/mips/Kbuild @@ -1,10 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -# Fail on warnings - also for files referenced in subdirs -# -Werror can be disabled for specific files using: -# CFLAGS_<file.o> := -Wno-error -ifeq ($(W),) -subdir-ccflags-y := -Werror -endif # platform specific definitions include $(srctree)/arch/mips/Kbuild.platforms diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 76db82542519..797ae590ebdb 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -460,6 +460,7 @@ config MACH_LOONGSON2EF config MACH_LOONGSON64 bool "Loongson 64-bit family of machines" + select ARCH_DMA_DEFAULT_COHERENT select ARCH_SPARSEMEM_ENABLE select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO @@ -1251,6 +1252,7 @@ config CPU_LOONGSON64 select CPU_SUPPORTS_MSA select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT select CPU_MIPSR2_IRQ_VI + select DMA_NONCOHERENT select WEAK_ORDERING select WEAK_REORDERING_BEYOND_LLSC select MIPS_ASID_BITS_VARIABLE diff --git a/arch/mips/boot/compressed/dbg.c b/arch/mips/boot/compressed/dbg.c index f6728a8fd1c3..2f1ac38fe1cc 100644 --- a/arch/mips/boot/compressed/dbg.c +++ b/arch/mips/boot/compressed/dbg.c @@ -9,6 +9,8 @@ #include <linux/compiler.h> #include <linux/types.h> +#include "decompress.h" + void __weak putc(char c) { } diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c index c5dd415254d3..adb6d5b0e6eb 100644 --- a/arch/mips/boot/compressed/decompress.c +++ b/arch/mips/boot/compressed/decompress.c @@ -19,6 +19,8 @@ #include <asm/unaligned.h> #include <asm-generic/vmlinux.lds.h> +#include "decompress.h" + /* * These two variables specify the free mem region * that can be used for temporary malloc area @@ -26,20 +28,6 @@ unsigned long free_mem_ptr; unsigned long free_mem_end_ptr; -/* The linker tells us where the image is. */ -extern unsigned char __image_begin[], __image_end[]; - -/* debug interfaces */ -#ifdef CONFIG_DEBUG_ZBOOT -extern void puts(const char *s); -extern void puthex(unsigned long long val); -#else -#define puts(s) do {} while (0) -#define puthex(val) do {} while (0) -#endif - -extern char __appended_dtb[]; - void error(char *x) { puts("\n\n"); diff --git a/arch/mips/boot/compressed/decompress.h b/arch/mips/boot/compressed/decompress.h new file mode 100644 index 000000000000..073b64593b3d --- /dev/null +++ b/arch/mips/boot/compressed/decompress.h @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 +#ifndef _DECOMPRESSOR_H +#define _DECOMPRESSOR_H + +/* The linker tells us where the image is. */ +extern unsigned char __image_begin[], __image_end[]; + +/* debug interfaces */ +#ifdef CONFIG_DEBUG_ZBOOT +extern void putc(char c); +extern void puts(const char *s); +extern void puthex(unsigned long long val); +#else +#define putc(s) do {} while (0) +#define puts(s) do {} while (0) +#define puthex(val) do {} while (0) +#endif + +extern char __appended_dtb[]; + +void error(char *x); +void decompress_kernel(unsigned long boot_heap_start); + +#endif diff --git a/arch/mips/boot/compressed/string.c b/arch/mips/boot/compressed/string.c index 0b593b709228..f0eb251e44e5 100644 --- a/arch/mips/boot/compressed/string.c +++ b/arch/mips/boot/compressed/string.c @@ -7,6 +7,7 @@ #include <linux/compiler_attributes.h> #include <linux/types.h> +#include <asm/string.h> void *memcpy(void *dest, const void *src, size_t n) { diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi index f878f47e4501..ee3e2153dd13 100644 --- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi +++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi @@ -130,8 +130,7 @@ compatible = "pci0014,7a03.0", "pci0014,7a03", "pciclass0c0320", - "pciclass0c03", - "loongson, pci-gmac"; + "pciclass0c03"; reg = <0x1800 0x0 0x0 0x0 0x0>; interrupts = <12 IRQ_TYPE_LEVEL_LOW>, diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi index 7c69e8245c2f..cce9428afc41 100644 --- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi +++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi @@ -193,8 +193,7 @@ compatible = "pci0014,7a03.0", "pci0014,7a03", "pciclass020000", - "pciclass0200", - "loongson, pci-gmac"; + "pciclass0200"; reg = <0x1800 0x0 0x0 0x0 0x0>; interrupts = <12 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 33c09688210f..08ea2cde1eb5 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -422,7 +422,7 @@ static const struct plat_smp_ops octeon_smp_ops = { .cpu_disable = octeon_cpu_disable, .cpu_die = octeon_cpu_die, #endif -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE .kexec_nonboot_cpu = kexec_nonboot_cpu_jump, #endif }; @@ -502,7 +502,7 @@ static const struct plat_smp_ops octeon_78xx_smp_ops = { .cpu_disable = octeon_cpu_disable, .cpu_die = octeon_cpu_die, #endif -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE .kexec_nonboot_cpu = kexec_nonboot_cpu_jump, #endif }; diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig index dc49b09d492b..e22e8b825903 100644 --- a/arch/mips/configs/ip22_defconfig +++ b/arch/mips/configs/ip22_defconfig @@ -173,7 +173,6 @@ CONFIG_NET_ACT_POLICE=y CONFIG_NET_ACT_GACT=m CONFIG_GACT_PROB=y CONFIG_NET_ACT_MIRRED=m -CONFIG_NET_ACT_IPT=m CONFIG_NET_ACT_NAT=m CONFIG_NET_ACT_PEDIT=m CONFIG_NET_ACT_SIMP=m diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig index 6f8046024557..4390d30206d9 100644 --- a/arch/mips/configs/malta_defconfig +++ b/arch/mips/configs/malta_defconfig @@ -202,7 +202,6 @@ CONFIG_NET_ACT_POLICE=y CONFIG_NET_ACT_GACT=m CONFIG_GACT_PROB=y CONFIG_NET_ACT_MIRRED=m -CONFIG_NET_ACT_IPT=m CONFIG_NET_ACT_NAT=m CONFIG_NET_ACT_PEDIT=m CONFIG_NET_ACT_SIMP=m diff --git a/arch/mips/configs/malta_kvm_defconfig b/arch/mips/configs/malta_kvm_defconfig index 16a91eeff67f..d63d8be8cb50 100644 --- a/arch/mips/configs/malta_kvm_defconfig +++ b/arch/mips/configs/malta_kvm_defconfig @@ -206,7 +206,6 @@ CONFIG_NET_ACT_POLICE=y CONFIG_NET_ACT_GACT=m CONFIG_GACT_PROB=y CONFIG_NET_ACT_MIRRED=m -CONFIG_NET_ACT_IPT=m CONFIG_NET_ACT_NAT=m CONFIG_NET_ACT_PEDIT=m CONFIG_NET_ACT_SIMP=m diff --git a/arch/mips/configs/maltaup_xpa_defconfig b/arch/mips/configs/maltaup_xpa_defconfig index 264aba29ea4f..338bb6544a93 100644 --- a/arch/mips/configs/maltaup_xpa_defconfig +++ b/arch/mips/configs/maltaup_xpa_defconfig @@ -203,7 +203,6 @@ CONFIG_NET_ACT_POLICE=y CONFIG_NET_ACT_GACT=m CONFIG_GACT_PROB=y CONFIG_NET_ACT_MIRRED=m -CONFIG_NET_ACT_IPT=m CONFIG_NET_ACT_NAT=m CONFIG_NET_ACT_PEDIT=m CONFIG_NET_ACT_SIMP=m diff --git a/arch/mips/configs/rb532_defconfig b/arch/mips/configs/rb532_defconfig index 02ec6c1a5116..517f1b060bf4 100644 --- a/arch/mips/configs/rb532_defconfig +++ b/arch/mips/configs/rb532_defconfig @@ -96,7 +96,6 @@ CONFIG_NET_ACT_POLICE=y CONFIG_NET_ACT_GACT=m CONFIG_GACT_PROB=y CONFIG_NET_ACT_MIRRED=m -CONFIG_NET_ACT_IPT=m CONFIG_NET_ACT_PEDIT=m CONFIG_HAMRADIO=y CONFIG_MTD=y diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h index 3424a7908c0f..8b08db3fb17a 100644 --- a/arch/mips/include/asm/cache.h +++ b/arch/mips/include/asm/cache.h @@ -17,5 +17,11 @@ #define __read_mostly __section(".data..read_mostly") extern void cache_noop(void); +extern void r3k_cache_init(void); +extern unsigned long r3k_cache_size(unsigned long); +extern unsigned long r3k_cache_lsize(unsigned long); +extern void r4k_cache_init(void); +extern void octeon_cache_init(void); +extern void au1x00_fixup_config_od(void); #endif /* _ASM_CACHE_H */ diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h index db497a8167da..dc025888f6d2 100644 --- a/arch/mips/include/asm/ftrace.h +++ b/arch/mips/include/asm/ftrace.h @@ -85,6 +85,10 @@ struct dyn_arch_ftrace { }; #endif /* CONFIG_DYNAMIC_FTRACE */ + +void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra, + unsigned long fp); + #endif /* __ASSEMBLY__ */ #endif /* CONFIG_FUNCTION_TRACER */ #endif /* _ASM_MIPS_FTRACE_H */ diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 062dd4e6b954..85bbd967e05f 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -13,7 +13,6 @@ #define _ASM_IO_H #include <linux/compiler.h> -#include <linux/kernel.h> #include <linux/types.h> #include <linux/irqflags.h> @@ -25,7 +24,6 @@ #include <asm/cpu-features.h> #include <asm/page.h> #include <asm/pgtable-bits.h> -#include <asm/processor.h> #include <asm/string.h> #include <mangle-port.h> @@ -41,6 +39,11 @@ # define __raw_ioswabq(a, x) (x) # define ____raw_ioswabq(a, x) (x) +# define _ioswabb ioswabb +# define _ioswabw ioswabw +# define _ioswabl ioswabl +# define _ioswabq ioswabq + # define __relaxed_ioswabb ioswabb # define __relaxed_ioswabw ioswabw # define __relaxed_ioswabl ioswabl @@ -115,23 +118,6 @@ static inline phys_addr_t virt_to_phys(const volatile void *x) } /* - * phys_to_virt - map physical address to virtual - * @address: address to remap - * - * The returned virtual address is a current CPU mapping for - * the memory address given. It is only valid to use this function on - * addresses that have a kernel mapping - * - * This function does not handle bus mappings for DMA transfers. In - * almost all conceivable cases a device driver should not be using - * this function - */ -static inline void * phys_to_virt(unsigned long address) -{ - return __va(address); -} - -/* * ISA I/O bus memory addresses are 1:1 with the physical address. */ static inline unsigned long isa_virt_to_bus(volatile void *address) @@ -139,11 +125,6 @@ static inline unsigned long isa_virt_to_bus(volatile void *address) return virt_to_phys(address); } -static inline void *isa_bus_to_virt(unsigned long address) -{ - return phys_to_virt(address); -} - /* * Change "struct page" to physical address. */ @@ -166,7 +147,6 @@ void iounmap(const volatile void __iomem *addr); */ #define ioremap(offset, size) \ ioremap_prot((offset), (size), _CACHE_UNCACHED) -#define ioremap_uc ioremap /* * ioremap_cache - map bus memory into CPU space @@ -207,8 +187,6 @@ void iounmap(const volatile void __iomem *addr); #define ioremap_wc(offset, size) \ ioremap_prot((offset), (size), boot_cpu_data.writecombine) -#include <asm-generic/iomap.h> - #if defined(CONFIG_CPU_CAVIUM_OCTEON) #define war_io_reorder_wmb() wmb() #else @@ -296,9 +274,9 @@ static inline type pfx##read##bwlq(const volatile void __iomem *mem) \ return pfx##ioswab##bwlq(__mem, __val); \ } -#define __BUILD_IOPORT_SINGLE(pfx, bwlq, type, barrier, relax, p) \ +#define __BUILD_IOPORT_SINGLE(pfx, bwlq, type, barrier, relax) \ \ -static inline void pfx##out##bwlq##p(type val, unsigned long port) \ +static inline void pfx##out##bwlq(type val, unsigned long port) \ { \ volatile type *__addr; \ type __val; \ @@ -318,7 +296,7 @@ static inline void pfx##out##bwlq##p(type val, unsigned long port) \ *__addr = __val; \ } \ \ -static inline type pfx##in##bwlq##p(unsigned long port) \ +static inline type pfx##in##bwlq(unsigned long port) \ { \ volatile type *__addr; \ type __val; \ @@ -360,11 +338,10 @@ __BUILD_MEMORY_PFX(__mem_, q, u64, 0) #endif #define __BUILD_IOPORT_PFX(bus, bwlq, type) \ - __BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0,) \ - __BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0, _p) + __BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0) #define BUILDIO_IOPORT(bwlq, type) \ - __BUILD_IOPORT_PFX(, bwlq, type) \ + __BUILD_IOPORT_PFX(_, bwlq, type) \ __BUILD_IOPORT_PFX(__mem_, bwlq, type) BUILDIO_IOPORT(b, u8) @@ -412,14 +389,6 @@ __BUILDIO(q, u64) #define writeq_be(val, addr) \ __raw_writeq(cpu_to_be64((val)), (__force unsigned *)(addr)) -/* - * Some code tests for these symbols - */ -#ifdef CONFIG_64BIT -#define readq readq -#define writeq writeq -#endif - #define __BUILD_MEMORY_STRING(bwlq, type) \ \ static inline void writes##bwlq(volatile void __iomem *mem, \ @@ -480,18 +449,6 @@ BUILDSTRING(l, u32) BUILDSTRING(q, u64) #endif -static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count) -{ - memset((void __force *) addr, val, count); -} -static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count) -{ - memcpy(dst, (void __force *) src, count); -} -static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int count) -{ - memcpy((void __force *) dst, src, count); -} /* * The caches on some architectures aren't dma-coherent and have need to @@ -548,13 +505,66 @@ extern void (*_dma_cache_inv)(unsigned long start, unsigned long size); #define csr_out32(v, a) (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST) = (v)) #define csr_in32(a) (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST)) -/* - * Convert a physical pointer to a virtual kernel pointer for /dev/mem - * access - */ -#define xlate_dev_mem_ptr(p) __va(p) -#define unxlate_dev_mem_ptr(p, v) do { } while (0) +#define __raw_readb __raw_readb +#define __raw_readw __raw_readw +#define __raw_readl __raw_readl +#ifdef CONFIG_64BIT +#define __raw_readq __raw_readq +#endif +#define __raw_writeb __raw_writeb +#define __raw_writew __raw_writew +#define __raw_writel __raw_writel +#ifdef CONFIG_64BIT +#define __raw_writeq __raw_writeq +#endif + +#define readb readb +#define readw readw +#define readl readl +#ifdef CONFIG_64BIT +#define readq readq +#endif +#define writeb writeb +#define writew writew +#define writel writel +#ifdef CONFIG_64BIT +#define writeq writeq +#endif + +#define readsb readsb +#define readsw readsw +#define readsl readsl +#ifdef CONFIG_64BIT +#define readsq readsq +#endif +#define writesb writesb +#define writesw writesw +#define writesl writesl +#ifdef CONFIG_64BIT +#define writesq writesq +#endif + +#define _inb _inb +#define _inw _inw +#define _inl _inl +#define insb insb +#define insw insw +#define insl insl + +#define _outb _outb +#define _outw _outw +#define _outl _outl +#define outsb outsb +#define outsw outsw +#define outsl outsl void __ioread64_copy(void *to, const void __iomem *from, size_t count); +#include <asm-generic/io.h> + +static inline void *isa_bus_to_virt(unsigned long address) +{ + return phys_to_virt(address); +} + #endif /* _ASM_IO_H */ diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h index c5c6864e64bc..081be98c71ef 100644 --- a/arch/mips/include/asm/jump_label.h +++ b/arch/mips/include/asm/jump_label.h @@ -15,6 +15,9 @@ #include <linux/types.h> #include <asm/isa-rev.h> +struct module; +extern void jump_label_apply_nops(struct module *mod); + #define JUMP_LABEL_NOP_SIZE 4 #ifdef CONFIG_64BIT diff --git a/arch/mips/include/asm/kexec.h b/arch/mips/include/asm/kexec.h index d6d5fa5cc31d..69e579e41e66 100644 --- a/arch/mips/include/asm/kexec.h +++ b/arch/mips/include/asm/kexec.h @@ -31,7 +31,7 @@ static inline void crash_setup_regs(struct pt_regs *newregs, prepare_frametrace(newregs); } -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE struct kimage; extern unsigned long kexec_args[4]; extern int (*_machine_kexec_prepare)(struct kimage *); diff --git a/arch/mips/include/asm/mach-loongson64/boot_param.h b/arch/mips/include/asm/mach-loongson64/boot_param.h index 035b1a69e2d0..e007edd6b60a 100644 --- a/arch/mips/include/asm/mach-loongson64/boot_param.h +++ b/arch/mips/include/asm/mach-loongson64/boot_param.h @@ -14,7 +14,11 @@ #define ADAPTER_ROM 8 #define ACPI_TABLE 9 #define SMBIOS_TABLE 10 -#define MAX_MEMORY_TYPE 11 +#define UMA_VIDEO_RAM 11 +#define VUMA_VIDEO_RAM 12 +#define MAX_MEMORY_TYPE 13 + +#define MEM_SIZE_IS_IN_BYTES (1 << 31) #define LOONGSON3_BOOT_MEM_MAP_MAX 128 struct efi_memory_map_loongson { @@ -117,7 +121,8 @@ struct irq_source_routing_table { u64 pci_io_start_addr; u64 pci_io_end_addr; u64 pci_config_addr; - u32 dma_mask_bits; + u16 dma_mask_bits; + u16 dma_noncoherent; } __packed; struct interface_info { diff --git a/arch/mips/include/asm/mach-loongson64/mmzone.h b/arch/mips/include/asm/mach-loongson64/mmzone.h index ebb1deaa77b9..a3d65d37b8b5 100644 --- a/arch/mips/include/asm/mach-loongson64/mmzone.h +++ b/arch/mips/include/asm/mach-loongson64/mmzone.h @@ -18,7 +18,6 @@ extern struct pglist_data *__node_data[]; #define NODE_DATA(n) (__node_data[n]) -extern void setup_zero_pages(void); extern void __init prom_init_numa_memory(void); #endif /* _ASM_MACH_MMZONE_H */ diff --git a/arch/mips/include/asm/mmiowb.h b/arch/mips/include/asm/mmiowb.h index a40824e3ef8e..cf27752fd220 100644 --- a/arch/mips/include/asm/mmiowb.h +++ b/arch/mips/include/asm/mmiowb.h @@ -2,9 +2,9 @@ #ifndef _ASM_MMIOWB_H #define _ASM_MMIOWB_H -#include <asm/io.h> +#include <asm/barrier.h> -#define mmiowb() iobarrier_w() +#define mmiowb() wmb() #include <asm-generic/mmiowb.h> diff --git a/arch/mips/include/asm/mmzone.h b/arch/mips/include/asm/mmzone.h index 602a21aee9d4..14226ea42036 100644 --- a/arch/mips/include/asm/mmzone.h +++ b/arch/mips/include/asm/mmzone.h @@ -20,4 +20,6 @@ #define nid_to_addrbase(nid) 0 #endif +extern void setup_zero_pages(void); + #endif /* _ASM_MMZONE_H_ */ diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 430b208c0130..e27a4c83c548 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -655,6 +655,7 @@ static inline pmd_t pmd_mkwrite_novma(pmd_t pmd) return pmd; } +#define pmd_dirty pmd_dirty static inline int pmd_dirty(pmd_t pmd) { return !!(pmd_val(pmd) & _PAGE_MODIFIED); diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index ae2cd37a38f0..ca7662cc65a7 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -402,4 +402,6 @@ extern int mips_set_process_fp_mode(struct task_struct *task, #define GET_FP_MODE(task) mips_get_process_fp_mode(task) #define SET_FP_MODE(task,value) mips_set_process_fp_mode(task, value) +void show_registers(struct pt_regs *regs); + #endif /* _ASM_PROCESSOR_H */ diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h index 431a1c9d53fc..da1cd1bbdbc5 100644 --- a/arch/mips/include/asm/r4kcache.h +++ b/arch/mips/include/asm/r4kcache.h @@ -24,6 +24,10 @@ #include <asm/mmzone.h> #include <asm/unroll.h> +extern void r5k_sc_init(void); +extern void rm7k_sc_init(void); +extern int mips_sc_init(void); + extern void (*r4k_blast_dcache)(void); extern void (*r4k_blast_icache)(void); diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h index 8c56b862fd9c..4dce41138bad 100644 --- a/arch/mips/include/asm/setup.h +++ b/arch/mips/include/asm/setup.h @@ -27,5 +27,6 @@ extern unsigned long ebase; extern unsigned int hwrena; extern void per_cpu_trap_init(bool); extern void cpu_cache_init(void); +extern void tlb_init(void); #endif /* __SETUP_H */ diff --git a/arch/mips/include/asm/signal.h b/arch/mips/include/asm/signal.h index 23d6b8015c79..8de81ccef7ad 100644 --- a/arch/mips/include/asm/signal.h +++ b/arch/mips/include/asm/signal.h @@ -31,5 +31,6 @@ extern struct mips_abi mips_abi_32; extern int protected_save_fp_context(void __user *sc); extern int protected_restore_fp_context(void __user *sc); +void do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags); #endif /* _ASM_SIGNAL_H */ diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h index 5719ff49eff1..1617b207723f 100644 --- a/arch/mips/include/asm/smp-ops.h +++ b/arch/mips/include/asm/smp-ops.h @@ -13,8 +13,6 @@ #include <linux/errno.h> -#include <asm/mips-cps.h> - #ifdef CONFIG_SMP #include <linux/cpumask.h> @@ -35,7 +33,7 @@ struct plat_smp_ops { void (*cpu_die)(unsigned int cpu); void (*cleanup_dead_cpu)(unsigned cpu); #endif -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE void (*kexec_nonboot_cpu)(void); #endif }; diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index a40d8c0e4b87..bc2c240f414b 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -11,13 +11,11 @@ #ifndef __ASM_SMP_H #define __ASM_SMP_H -#include <linux/bitops.h> +#include <linux/compiler.h> #include <linux/linkage.h> -#include <linux/smp.h> #include <linux/threads.h> #include <linux/cpumask.h> -#include <linux/atomic.h> #include <asm/smp-ops.h> extern int smp_num_siblings; @@ -63,6 +61,8 @@ extern asmlinkage void smp_bootstrap(void); extern void calculate_cpu_foreign_map(void); +asmlinkage void start_secondary(void); + /* * this function sends a 'reschedule' IPI to another CPU. * it goes straight through and wastes no time serializing @@ -93,7 +93,7 @@ static inline void __cpu_die(unsigned int cpu) extern void __noreturn play_dead(void); #endif -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE static inline void kexec_nonboot_cpu(void) { extern const struct plat_smp_ops *mp_ops; /* private */ diff --git a/arch/mips/include/asm/spram.h b/arch/mips/include/asm/spram.h index 373f2a5d495d..9f6a2cb1943a 100644 --- a/arch/mips/include/asm/spram.h +++ b/arch/mips/include/asm/spram.h @@ -3,7 +3,7 @@ #define _MIPS_SPRAM_H #if defined(CONFIG_MIPS_SPRAM) -extern __init void spram_config(void); +extern void spram_config(void); #else static inline void spram_config(void) { } #endif /* CONFIG_MIPS_SPRAM */ diff --git a/arch/mips/include/asm/syscalls.h b/arch/mips/include/asm/syscalls.h new file mode 100644 index 000000000000..59f9c0c9fa0a --- /dev/null +++ b/arch/mips/include/asm/syscalls.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _ASM_MIPS_SYSCALLS_H +#define _ASM_MIPS_SYSCALLS_H + +#include <linux/linkage.h> +#include <linux/compat.h> + +asmlinkage void sys_sigreturn(void); +asmlinkage void sys_rt_sigreturn(void); +asmlinkage int sysm_pipe(void); +asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len, + unsigned long __user *user_mask_ptr); +asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, + unsigned long __user *user_mask_ptr); +asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_a2, + unsigned offset_a3, unsigned len_a4, + unsigned len_a5); +asmlinkage long sys32_fadvise64_64(int fd, int __pad, + unsigned long a2, unsigned long a3, + unsigned long a4, unsigned long a5, + int flags); +asmlinkage ssize_t sys32_readahead(int fd, u32 pad0, u64 a2, u64 a3, + size_t count); +asmlinkage long sys32_sync_file_range(int fd, int __pad, + unsigned long a2, unsigned long a3, + unsigned long a4, unsigned long a5, + int flags); +asmlinkage void sys32_rt_sigreturn(void); +asmlinkage void sys32_sigreturn(void); +asmlinkage int sys32_sigsuspend(compat_sigset_t __user *uset); +asmlinkage void sysn32_rt_sigreturn(void); + +#endif diff --git a/arch/mips/include/asm/tlbex.h b/arch/mips/include/asm/tlbex.h index 6d97e23f30ab..24a2d06cc1c3 100644 --- a/arch/mips/include/asm/tlbex.h +++ b/arch/mips/include/asm/tlbex.h @@ -23,6 +23,7 @@ void build_update_entries(u32 **p, unsigned int tmp, unsigned int ptep); void build_tlb_write_entry(u32 **p, struct uasm_label **l, struct uasm_reloc **r, enum tlb_write_entry wmode); +void build_tlb_refill_handler(void); extern void handle_tlbl(void); extern char handle_tlbl_end[]; diff --git a/arch/mips/include/asm/traps.h b/arch/mips/include/asm/traps.h index 15cde638b407..2a8a258730c9 100644 --- a/arch/mips/include/asm/traps.h +++ b/arch/mips/include/asm/traps.h @@ -39,4 +39,30 @@ extern char except_vec_nmi[]; register_nmi_notifier(&fn##_nb); \ }) +asmlinkage void do_ade(struct pt_regs *regs); +asmlinkage void do_be(struct pt_regs *regs); +asmlinkage void do_ov(struct pt_regs *regs); +asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31); +asmlinkage void do_bp(struct pt_regs *regs); +asmlinkage void do_tr(struct pt_regs *regs); +asmlinkage void do_ri(struct pt_regs *regs); +asmlinkage void do_cpu(struct pt_regs *regs); +asmlinkage void do_msa_fpe(struct pt_regs *regs, unsigned int msacsr); +asmlinkage void do_msa(struct pt_regs *regs); +asmlinkage void do_mdmx(struct pt_regs *regs); +asmlinkage void do_watch(struct pt_regs *regs); +asmlinkage void do_mcheck(struct pt_regs *regs); +asmlinkage void do_mt(struct pt_regs *regs); +asmlinkage void do_dsp(struct pt_regs *regs); +asmlinkage void do_reserved(struct pt_regs *regs); +asmlinkage void do_ftlb(void); +asmlinkage void do_gsexc(struct pt_regs *regs, u32 diag1); +asmlinkage void do_daddi_ov(struct pt_regs *regs); +asmlinkage void do_page_fault(struct pt_regs *regs, + unsigned long write, unsigned long address); + +asmlinkage void cache_parity_error(void); +asmlinkage void ejtag_exception_handler(struct pt_regs *regs); +asmlinkage void __noreturn nmi_exception_handler(struct pt_regs *regs); + #endif /* _ASM_TRAPS_H */ diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h index 296bcf31abb5..b43bfd445252 100644 --- a/arch/mips/include/asm/uasm.h +++ b/arch/mips/include/asm/uasm.h @@ -193,9 +193,7 @@ struct uasm_label { void uasm_build_label(struct uasm_label **lab, u32 *addr, int lid); -#ifdef CONFIG_64BIT int uasm_in_compat_space_p(long addr); -#endif int uasm_rel_hi(long val); int uasm_rel_lo(long val); void UASM_i_LA_mostly(u32 **buf, unsigned int rs, long addr); diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 853a43ee4b44..ecf3278a32f7 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -90,7 +90,7 @@ obj-$(CONFIG_GPIO_TXX9) += gpio_txx9.o obj-$(CONFIG_RELOCATABLE) += relocate.o -obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o +obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o crash.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_EARLY_PRINTK_8250) += early_printk_8250.o diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index b406d8bfb15a..de7460c3a72e 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -179,7 +179,6 @@ void __init check_bugs32(void) static inline int cpu_has_confreg(void) { #ifdef CONFIG_CPU_R3000 - extern unsigned long r3k_cache_size(unsigned long); unsigned long size1, size2; unsigned long cfg = read_c0_conf(); diff --git a/arch/mips/kernel/cpu-r3k-probe.c b/arch/mips/kernel/cpu-r3k-probe.c index be93469c0e0e..0c826f729f75 100644 --- a/arch/mips/kernel/cpu-r3k-probe.c +++ b/arch/mips/kernel/cpu-r3k-probe.c @@ -42,7 +42,6 @@ void __init check_bugs32(void) static inline int cpu_has_confreg(void) { #ifdef CONFIG_CPU_R3000 - extern unsigned long r3k_cache_size(unsigned long); unsigned long size1, size2; unsigned long cfg = read_c0_conf(); diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 6b61be486303..a0c0a7a654e9 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -42,6 +42,7 @@ #include <linux/uaccess.h> #include <asm/mmu_context.h> #include <asm/mman.h> +#include <asm/syscalls.h> #ifdef __MIPSEB__ #define merge_64(r1, r2) ((((r1) & 0xffffffffUL) << 32) + ((r2) & 0xffffffffUL)) diff --git a/arch/mips/kernel/machine_kexec.c b/arch/mips/kernel/machine_kexec.c index 432bfd3e7f22..4e3579bbd620 100644 --- a/arch/mips/kernel/machine_kexec.c +++ b/arch/mips/kernel/machine_kexec.c @@ -8,6 +8,7 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/libfdt.h> +#include <linux/reboot.h> #include <asm/cacheflush.h> #include <asm/page.h> diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c index 3f00788b0871..84b3affb9de8 100644 --- a/arch/mips/kernel/mips-cm.c +++ b/arch/mips/kernel/mips-cm.c @@ -201,7 +201,7 @@ phys_addr_t __mips_cm_phys_base(void) phys_addr_t mips_cm_phys_base(void) __attribute__((weak, alias("__mips_cm_phys_base"))); -phys_addr_t __mips_cm_l2sync_phys_base(void) +static phys_addr_t __mips_cm_l2sync_phys_base(void) { u32 base_reg; diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c index 67e130d3f038..10172fc4f627 100644 --- a/arch/mips/kernel/mips-mt-fpaff.c +++ b/arch/mips/kernel/mips-mt-fpaff.c @@ -15,6 +15,7 @@ #include <linux/security.h> #include <linux/types.h> #include <linux/uaccess.h> +#include <asm/syscalls.h> /* * CPU mask used to set process affinity for MT VPEs/TCs with FPUs diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c index f88b7919f11f..c07d64438b5b 100644 --- a/arch/mips/kernel/mips-mt.c +++ b/arch/mips/kernel/mips-mt.c @@ -19,6 +19,7 @@ #include <asm/mipsmtregs.h> #include <asm/r4kcache.h> #include <asm/cacheflush.h> +#include <asm/mips_mt.h> int vpelimit; diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c index 0c936cbf20c5..7b2fbaa9cac5 100644 --- a/arch/mips/kernel/module.c +++ b/arch/mips/kernel/module.c @@ -20,8 +20,7 @@ #include <linux/kernel.h> #include <linux/spinlock.h> #include <linux/jump_label.h> - -extern void jump_label_apply_nops(struct module *mod); +#include <asm/jump_label.h> struct mips_hi16 { struct mips_hi16 *next; diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 5387ed0a5186..b630604c577f 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -121,6 +121,19 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args) /* Put the stack after the struct pt_regs. */ childksp = (unsigned long) childregs; p->thread.cp0_status = (read_c0_status() & ~(ST0_CU2|ST0_CU1)) | ST0_KERNEL_CUMASK; + + /* + * New tasks lose permission to use the fpu. This accelerates context + * switching for most programs since they don't use the fpu. + */ + clear_tsk_thread_flag(p, TIF_USEDFPU); + clear_tsk_thread_flag(p, TIF_USEDMSA); + clear_tsk_thread_flag(p, TIF_MSA_CTX_LIVE); + +#ifdef CONFIG_MIPS_MT_FPAFF + clear_tsk_thread_flag(p, TIF_FPUBOUND); +#endif /* CONFIG_MIPS_MT_FPAFF */ + if (unlikely(args->fn)) { /* kernel thread */ unsigned long status = p->thread.cp0_status; @@ -149,20 +162,8 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args) p->thread.reg29 = (unsigned long) childregs; p->thread.reg31 = (unsigned long) ret_from_fork; - /* - * New tasks lose permission to use the fpu. This accelerates context - * switching for most programs since they don't use the fpu. - */ childregs->cp0_status &= ~(ST0_CU2|ST0_CU1); - clear_tsk_thread_flag(p, TIF_USEDFPU); - clear_tsk_thread_flag(p, TIF_USEDMSA); - clear_tsk_thread_flag(p, TIF_MSA_CTX_LIVE); - -#ifdef CONFIG_MIPS_MT_FPAFF - clear_tsk_thread_flag(p, TIF_FPUBOUND); -#endif /* CONFIG_MIPS_MT_FPAFF */ - #ifdef CONFIG_MIPS_FP_SUPPORT atomic_set(&p->thread.bd_emu_frame, BD_EMUFRAME_NONE); #endif diff --git a/arch/mips/kernel/r4k-bugs64.c b/arch/mips/kernel/r4k-bugs64.c index 6ffefb2c6971..1e300330078d 100644 --- a/arch/mips/kernel/r4k-bugs64.c +++ b/arch/mips/kernel/r4k-bugs64.c @@ -14,6 +14,7 @@ #include <asm/fpu.h> #include <asm/mipsregs.h> #include <asm/setup.h> +#include <asm/traps.h> static char bug64hit[] __initdata = "reliable operation impossible!\n%s"; diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 2d2ca024bd47..328426c3ed6f 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -42,6 +42,7 @@ #include <asm/sections.h> #include <asm/setup.h> #include <asm/smp-ops.h> +#include <asm/mips-cps.h> #include <asm/prom.h> #include <asm/fw/fw.h> diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h index f50d48435c68..136eb20ac024 100644 --- a/arch/mips/kernel/signal-common.h +++ b/arch/mips/kernel/signal-common.h @@ -40,4 +40,7 @@ _restore_fp_context(void __user *fpregs, void __user *csr); extern asmlinkage int _save_msa_all_upper(void __user *buf); extern asmlinkage int _restore_msa_all_upper(void __user *buf); +extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *); +extern int restore_sigcontext(struct pt_regs *, struct sigcontext __user *); + #endif /* __SIGNAL_COMMON_H */ diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 479999b7f2de..ccbf580827f6 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -38,6 +38,7 @@ #include <asm/dsp.h> #include <asm/inst.h> #include <asm/msa.h> +#include <asm/syscalls.h> #include "signal-common.h" diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 59b8965433c2..73081d4ee8c1 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -18,6 +18,7 @@ #include <asm/compat-signal.h> #include <linux/uaccess.h> #include <asm/unistd.h> +#include <asm/syscalls.h> #include "signal-common.h" diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index cfc77b69420a..139d2596b0d4 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -24,6 +24,7 @@ #include <asm/ucontext.h> #include <asm/fpu.h> #include <asm/cpu-features.h> +#include <asm/syscalls.h> #include "signal-common.h" @@ -32,9 +33,6 @@ */ #define __NR_N32_restart_syscall 6214 -extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *); -extern int restore_sigcontext(struct pt_regs *, struct sigcontext __user *); - struct ucontextn32 { u32 uc_flags; s32 uc_link; diff --git a/arch/mips/kernel/signal_o32.c b/arch/mips/kernel/signal_o32.c index 299a7a28ca33..4f0458459650 100644 --- a/arch/mips/kernel/signal_o32.c +++ b/arch/mips/kernel/signal_o32.c @@ -19,6 +19,7 @@ #include <asm/dsp.h> #include <asm/sim.h> #include <asm/unistd.h> +#include <asm/syscalls.h> #include "signal-common.h" diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index c074ecce3fbf..b3dbf9ecb0d6 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -434,7 +434,7 @@ const struct plat_smp_ops bmips43xx_smp_ops = { .cpu_disable = bmips_cpu_disable, .cpu_die = bmips_cpu_die, #endif -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE .kexec_nonboot_cpu = kexec_nonboot_cpu_jump, #endif }; @@ -451,7 +451,7 @@ const struct plat_smp_ops bmips5000_smp_ops = { .cpu_disable = bmips_cpu_disable, .cpu_die = bmips_cpu_die, #endif -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE .kexec_nonboot_cpu = kexec_nonboot_cpu_jump, #endif }; diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index dd55d59b88db..f6c37d407f36 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -392,7 +392,7 @@ static void cps_smp_finish(void) local_irq_enable(); } -#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_KEXEC) +#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_KEXEC_CORE) enum cpu_death { CPU_DEATH_HALT, @@ -429,7 +429,7 @@ static void cps_shutdown_this_cpu(enum cpu_death death) } } -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE static void cps_kexec_nonboot_cpu(void) { @@ -439,9 +439,9 @@ static void cps_kexec_nonboot_cpu(void) cps_shutdown_this_cpu(CPU_DEATH_POWER); } -#endif /* CONFIG_KEXEC */ +#endif /* CONFIG_KEXEC_CORE */ -#endif /* CONFIG_HOTPLUG_CPU || CONFIG_KEXEC */ +#endif /* CONFIG_HOTPLUG_CPU || CONFIG_KEXEC_CORE */ #ifdef CONFIG_HOTPLUG_CPU @@ -610,7 +610,7 @@ static const struct plat_smp_ops cps_smp_ops = { .cpu_die = cps_cpu_die, .cleanup_dead_cpu = cps_cleanup_dead_cpu, #endif -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE .kexec_nonboot_cpu = cps_kexec_nonboot_cpu, #endif }; diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 8fbef537fb88..0b53d35a116e 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -10,6 +10,7 @@ #include <linux/delay.h> #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/profile.h> #include <linux/smp.h> #include <linux/spinlock.h> #include <linux/threads.h> @@ -351,10 +352,11 @@ early_initcall(mips_smp_ipi_init); */ asmlinkage void start_secondary(void) { - unsigned int cpu; + unsigned int cpu = raw_smp_processor_id(); cpu_probe(); per_cpu_trap_init(false); + rcutree_report_cpu_starting(cpu); mips_clockevent_init(); mp_ops->init_secondary(); cpu_report(); @@ -366,7 +368,6 @@ asmlinkage void start_secondary(void) */ calibrate_delay(); - cpu = smp_processor_id(); cpu_data[cpu].udelay_val = loops_per_jiffy; set_cpu_sibling_map(cpu); @@ -468,11 +469,13 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle) return 0; } +#ifdef CONFIG_PROFILING /* Not really SMP stuff ... */ int setup_profiling_timer(unsigned int multiplier) { return 0; } +#endif static void flush_tlb_all_ipi(void *info) { diff --git a/arch/mips/kernel/spram.c b/arch/mips/kernel/spram.c index d5d96214cce5..71c7e5e27567 100644 --- a/arch/mips/kernel/spram.c +++ b/arch/mips/kernel/spram.c @@ -12,6 +12,7 @@ #include <asm/mipsregs.h> #include <asm/r4kcache.h> #include <asm/hazards.h> +#include <asm/spram.h> /* * These definitions are correct for the 24K/34K/74K SPRAM sample diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index ae93a607ddf7..1bfc34a2e5b3 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -39,6 +39,7 @@ #include <asm/shmparam.h> #include <asm/sync.h> #include <asm/sysmips.h> +#include <asm/syscalls.h> #include <asm/switch_to.h> /* diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index a842b41c8e06..83cfc9eb6b88 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -395,3 +395,8 @@ 454 n32 futex_wake sys_futex_wake 455 n32 futex_wait sys_futex_wait 456 n32 futex_requeue sys_futex_requeue +457 n32 statmount sys_statmount +458 n32 listmount sys_listmount +459 n32 lsm_get_self_attr sys_lsm_get_self_attr +460 n32 lsm_set_self_attr sys_lsm_set_self_attr +461 n32 lsm_list_modules sys_lsm_list_modules diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl index 116ff501bf92..532b855df589 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -371,3 +371,8 @@ 454 n64 futex_wake sys_futex_wake 455 n64 futex_wait sys_futex_wait 456 n64 futex_requeue sys_futex_requeue +457 n64 statmount sys_statmount +458 n64 listmount sys_listmount +459 n64 lsm_get_self_attr sys_lsm_get_self_attr +460 n64 lsm_set_self_attr sys_lsm_set_self_attr +461 n64 lsm_list_modules sys_lsm_list_modules diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index 525cc54bc63b..f45c9530ea93 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -444,3 +444,8 @@ 454 o32 futex_wake sys_futex_wake 455 o32 futex_wait sys_futex_wait 456 o32 futex_requeue sys_futex_requeue +457 o32 statmount sys_statmount +458 o32 listmount sys_listmount +459 o32 lsm_get_self_attr sys_lsm_get_self_attr +460 o32 lsm_set_self_attr sys_lsm_set_self_attr +461 o32 lsm_list_modules sys_lsm_list_modules diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 246c6a6b0261..c58c0c3c5b40 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -2157,8 +2157,6 @@ void *set_vi_handler(int n, vi_handler_t addr) return set_vi_srs_handler(n, addr, 0); } -extern void tlb_init(void); - /* * Timer interrupt */ diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index f4cf94e92ec3..db652c99b72e 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -91,6 +91,7 @@ #include <asm/inst.h> #include <asm/unaligned-emul.h> #include <asm/mmu_context.h> +#include <asm/traps.h> #include <linux/uaccess.h> #include "access-helper.h" diff --git a/arch/mips/loongson64/env.c b/arch/mips/loongson64/env.c index c961e2999f15..ef3750a6ffac 100644 --- a/arch/mips/loongson64/env.c +++ b/arch/mips/loongson64/env.c @@ -13,6 +13,8 @@ * Copyright (C) 2009 Lemote Inc. * Author: Wu Zhangjin, wuzhangjin@gmail.com */ + +#include <linux/dma-map-ops.h> #include <linux/export.h> #include <linux/pci_ids.h> #include <asm/bootinfo.h> @@ -147,8 +149,14 @@ void __init prom_lefi_init_env(void) loongson_sysconf.dma_mask_bits = eirq_source->dma_mask_bits; if (loongson_sysconf.dma_mask_bits < 32 || - loongson_sysconf.dma_mask_bits > 64) + loongson_sysconf.dma_mask_bits > 64) { loongson_sysconf.dma_mask_bits = 32; + dma_default_coherent = true; + } else { + dma_default_coherent = !eirq_source->dma_noncoherent; + } + + pr_info("Firmware: Coherent DMA: %s\n", dma_default_coherent ? "on" : "off"); loongson_sysconf.restart_addr = boot_p->reset_system.ResetWarm; loongson_sysconf.poweroff_addr = boot_p->reset_system.Shutdown; diff --git a/arch/mips/loongson64/init.c b/arch/mips/loongson64/init.c index ee8de1735b7c..f25caa6aa9d3 100644 --- a/arch/mips/loongson64/init.c +++ b/arch/mips/loongson64/init.c @@ -49,8 +49,7 @@ void virtual_early_config(void) void __init szmem(unsigned int node) { u32 i, mem_type; - static unsigned long num_physpages; - u64 node_id, node_psize, start_pfn, end_pfn, mem_start, mem_size; + phys_addr_t node_id, mem_start, mem_size; /* Otherwise come from DTB */ if (loongson_sysconf.fw_interface != LOONGSON_LEFI) @@ -64,30 +63,46 @@ void __init szmem(unsigned int node) mem_type = loongson_memmap->map[i].mem_type; mem_size = loongson_memmap->map[i].mem_size; - mem_start = loongson_memmap->map[i].mem_start; + + /* Memory size comes in MB if MEM_SIZE_IS_IN_BYTES not set */ + if (mem_size & MEM_SIZE_IS_IN_BYTES) + mem_size &= ~MEM_SIZE_IS_IN_BYTES; + else + mem_size = mem_size << 20; + + mem_start = (node_id << 44) | loongson_memmap->map[i].mem_start; switch (mem_type) { case SYSTEM_RAM_LOW: case SYSTEM_RAM_HIGH: - start_pfn = ((node_id << 44) + mem_start) >> PAGE_SHIFT; - node_psize = (mem_size << 20) >> PAGE_SHIFT; - end_pfn = start_pfn + node_psize; - num_physpages += node_psize; - pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx MB\n", - (u32)node_id, mem_type, mem_start, mem_size); - pr_info(" start_pfn:0x%llx, end_pfn:0x%llx, num_physpages:0x%lx\n", - start_pfn, end_pfn, num_physpages); - memblock_add_node(PFN_PHYS(start_pfn), - PFN_PHYS(node_psize), node, + case UMA_VIDEO_RAM: + pr_info("Node %d, mem_type:%d\t[%pa], %pa bytes usable\n", + (u32)node_id, mem_type, &mem_start, &mem_size); + memblock_add_node(mem_start, mem_size, node, MEMBLOCK_NONE); break; case SYSTEM_RAM_RESERVED: - pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx MB\n", - (u32)node_id, mem_type, mem_start, mem_size); - memblock_reserve(((node_id << 44) + mem_start), mem_size << 20); + case VIDEO_ROM: + case ADAPTER_ROM: + case ACPI_TABLE: + case SMBIOS_TABLE: + pr_info("Node %d, mem_type:%d\t[%pa], %pa bytes reserved\n", + (u32)node_id, mem_type, &mem_start, &mem_size); + memblock_reserve(mem_start, mem_size); + break; + /* We should not reserve VUMA_VIDEO_RAM as it overlaps with MMIO */ + case VUMA_VIDEO_RAM: + default: + pr_info("Node %d, mem_type:%d\t[%pa], %pa bytes unhandled\n", + (u32)node_id, mem_type, &mem_start, &mem_size); break; } } + + /* Reserve vgabios if it comes from firmware */ + if (loongson_sysconf.vgabios_addr) + memblock_reserve(virt_to_phys((void *)loongson_sysconf.vgabios_addr), + SZ_256K); } #ifndef CONFIG_NUMA diff --git a/arch/mips/loongson64/reset.c b/arch/mips/loongson64/reset.c index e420800043b0..e01c8d4a805a 100644 --- a/arch/mips/loongson64/reset.c +++ b/arch/mips/loongson64/reset.c @@ -53,7 +53,7 @@ static void loongson_halt(void) } } -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE /* 0X80000000~0X80200000 is safe */ #define MAX_ARGS 64 @@ -158,7 +158,7 @@ static int __init mips_reboot_setup(void) _machine_halt = loongson_halt; pm_power_off = loongson_poweroff; -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE kexec_argv = kmalloc(KEXEC_ARGV_SIZE, GFP_KERNEL); if (WARN_ON(!kexec_argv)) return -ENOMEM; diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c index e015a26a40f7..498bdc1bb0ed 100644 --- a/arch/mips/loongson64/smp.c +++ b/arch/mips/loongson64/smp.c @@ -864,7 +864,7 @@ const struct plat_smp_ops loongson3_smp_ops = { .cpu_disable = loongson3_cpu_disable, .cpu_die = loongson3_cpu_die, #endif -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE .kexec_nonboot_cpu = kexec_nonboot_cpu_jump, #endif }; diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 187d1c16361c..b45bf026ee55 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1485,10 +1485,6 @@ static void loongson3_sc_init(void) return; } -extern int r5k_sc_init(void); -extern int rm7k_sc_init(void); -extern int mips_sc_init(void); - static void setup_scache(void) { struct cpuinfo_mips *c = ¤t_cpu_data; @@ -1828,7 +1824,7 @@ static struct notifier_block r4k_cache_pm_notifier_block = { .notifier_call = r4k_cache_pm_notifier, }; -int __init r4k_cache_init_pm(void) +static int __init r4k_cache_init_pm(void) { return cpu_pm_register_notifier(&r4k_cache_pm_notifier_block); } diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 7f830634dbe7..df1ced4fc3b5 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -205,22 +205,13 @@ static inline void setup_protection_map(void) void cpu_cache_init(void) { - if (cpu_has_3k_cache) { - extern void __weak r3k_cache_init(void); - + if (IS_ENABLED(CONFIG_CPU_R3000) && cpu_has_3k_cache) r3k_cache_init(); - } - if (cpu_has_4k_cache) { - extern void __weak r4k_cache_init(void); - + if (IS_ENABLED(CONFIG_CPU_R4K_CACHE_TLB) && cpu_has_4k_cache) r4k_cache_init(); - } - - if (cpu_has_octeon_cache) { - extern void __weak octeon_cache_init(void); + if (IS_ENABLED(CONFIG_CPU_CAVIUM_OCTEON) && cpu_has_octeon_cache) octeon_cache_init(); - } setup_protection_map(); } diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index d7878208bd3f..aaa9a242ebba 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -26,6 +26,7 @@ #include <asm/mmu_context.h> #include <asm/ptrace.h> #include <asm/highmem.h> /* For VMALLOC_END */ +#include <asm/traps.h> #include <linux/kdebug.h> int show_unhandled_signals = 1; diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 5dcb525a8995..c2e0e5aebe90 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -38,6 +38,7 @@ #include <asm/dma.h> #include <asm/maar.h> #include <asm/mmu_context.h> +#include <asm/mmzone.h> #include <asm/sections.h> #include <asm/pgalloc.h> #include <asm/tlb.h> diff --git a/arch/mips/mm/pgtable-64.c b/arch/mips/mm/pgtable-64.c index c76d21f7dffb..1e544827dea9 100644 --- a/arch/mips/mm/pgtable-64.c +++ b/arch/mips/mm/pgtable-64.c @@ -89,6 +89,7 @@ void pud_init(void *addr) } #endif +#ifdef CONFIG_TRANSPARENT_HUGEPAGE pmd_t mk_pmd(struct page *page, pgprot_t prot) { pmd_t pmd; @@ -103,6 +104,7 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, { *pmdp = pmd; } +#endif void __init pagetable_init(void) { diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c index 53dfa2b9316b..f6db65410c65 100644 --- a/arch/mips/mm/tlb-r3k.c +++ b/arch/mips/mm/tlb-r3k.c @@ -23,11 +23,11 @@ #include <asm/io.h> #include <asm/bootinfo.h> #include <asm/cpu.h> +#include <asm/setup.h> +#include <asm/tlbex.h> #undef DEBUG_TLB -extern void build_tlb_refill_handler(void); - /* CP0 hazard avoidance. */ #define BARRIER \ __asm__ __volatile__( \ diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index 93c2d695588a..7e2a0011a6fb 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -22,9 +22,9 @@ #include <asm/hazards.h> #include <asm/mmu_context.h> #include <asm/tlb.h> +#include <asm/tlbex.h> #include <asm/tlbmisc.h> - -extern void build_tlb_refill_handler(void); +#include <asm/setup.h> /* * LOONGSON-2 has a 4 entry itlb which is a subset of jtlb, LOONGSON-3 has @@ -458,6 +458,7 @@ EXPORT_SYMBOL(has_transparent_hugepage); int temp_tlb_entry; +#ifndef CONFIG_64BIT __init int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1, unsigned long entryhi, unsigned long pagemask) { @@ -496,6 +497,7 @@ out: local_irq_restore(flags); return ret; } +#endif static int ntlb; static int __init set_ntlb(char *str) diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c index d85cbf84e41c..973faea61cad 100644 --- a/arch/mips/pci/pci-ip27.c +++ b/arch/mips/pci/pci-ip27.c @@ -7,6 +7,9 @@ * Copyright (C) 1999, 2000, 04 Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ + +#include <linux/io.h> + #include <asm/sn/addrs.h> #include <asm/sn/types.h> #include <asm/sn/klconfig.h> diff --git a/arch/mips/power/cpu.c b/arch/mips/power/cpu.c index a15e29dfc7b3..d8ef7778e535 100644 --- a/arch/mips/power/cpu.c +++ b/arch/mips/power/cpu.c @@ -6,6 +6,7 @@ * Author: Hu Hongbing <huhb@lemote.com> * Wu Zhangjin <wuzhangjin@gmail.com> */ +#include <linux/suspend.h> #include <asm/sections.h> #include <asm/fpu.h> #include <asm/dsp.h> diff --git a/arch/mips/power/hibernate.c b/arch/mips/power/hibernate.c index 94ab17c3c49d..192879e76c85 100644 --- a/arch/mips/power/hibernate.c +++ b/arch/mips/power/hibernate.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include <linux/suspend.h> #include <asm/tlbflush.h> extern int restore_image(void); diff --git a/arch/mips/vdso/vgettimeofday.c b/arch/mips/vdso/vgettimeofday.c index 6b83b6376a4b..604afea3f336 100644 --- a/arch/mips/vdso/vgettimeofday.c +++ b/arch/mips/vdso/vgettimeofday.c @@ -9,6 +9,7 @@ */ #include <linux/time.h> #include <linux/types.h> +#include <vdso/gettime.h> #if _MIPS_SIM != _MIPS_SIM_ABI64 int __vdso_clock_gettime(clockid_t clock, |