diff options
Diffstat (limited to 'arch/mips')
56 files changed, 220 insertions, 179 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 512b5def854d..d2ac1174ee17 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -15,7 +15,7 @@ config MIPS select HAVE_ARCH_KGDB select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK - select HAVE_BPF_JIT if !CPU_MICROMIPS + select HAVE_CBPF_JIT if !CPU_MICROMIPS select HAVE_FUNCTION_TRACER select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD diff --git a/arch/mips/alchemy/common/dbdma.c b/arch/mips/alchemy/common/dbdma.c index 745695db5ba0..f2f264b5aafe 100644 --- a/arch/mips/alchemy/common/dbdma.c +++ b/arch/mips/alchemy/common/dbdma.c @@ -261,7 +261,7 @@ u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, au1x_dma_chan_t *cp; /* - * We do the intialization on the first channel allocation. + * We do the initialization on the first channel allocation. * We have to wait because of the interrupt handler initialization * which can't be done successfully during board set up. */ @@ -964,7 +964,7 @@ u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr) dp->dscr_source1 = dscr->dscr_source1; dp->dscr_cmd1 = dscr->dscr_cmd1; nbytes = dscr->dscr_cmd1; - /* Allow the caller to specifiy if an interrupt is generated */ + /* Allow the caller to specify if an interrupt is generated */ dp->dscr_cmd0 &= ~DSCR_CMD0_IE; dp->dscr_cmd0 |= dscr->dscr_cmd0 | DSCR_CMD0_V; ctp->chan_ptr->ddma_dbell = 0; diff --git a/arch/mips/alchemy/devboards/db1000.c b/arch/mips/alchemy/devboards/db1000.c index bdeed9d13c6f..433c4b9a9f0a 100644 --- a/arch/mips/alchemy/devboards/db1000.c +++ b/arch/mips/alchemy/devboards/db1000.c @@ -503,15 +503,15 @@ int __init db1000_dev_setup(void) if (board == BCSR_WHOAMI_DB1500) { c0 = AU1500_GPIO2_INT; c1 = AU1500_GPIO5_INT; - d0 = AU1500_GPIO0_INT; - d1 = AU1500_GPIO3_INT; + d0 = 0; /* GPIO number, NOT irq! */ + d1 = 3; /* GPIO number, NOT irq! */ s0 = AU1500_GPIO1_INT; s1 = AU1500_GPIO4_INT; } else if (board == BCSR_WHOAMI_DB1100) { c0 = AU1100_GPIO2_INT; c1 = AU1100_GPIO5_INT; - d0 = AU1100_GPIO0_INT; - d1 = AU1100_GPIO3_INT; + d0 = 0; /* GPIO number, NOT irq! */ + d1 = 3; /* GPIO number, NOT irq! */ s0 = AU1100_GPIO1_INT; s1 = AU1100_GPIO4_INT; @@ -545,15 +545,15 @@ int __init db1000_dev_setup(void) } else if (board == BCSR_WHOAMI_DB1000) { c0 = AU1000_GPIO2_INT; c1 = AU1000_GPIO5_INT; - d0 = AU1000_GPIO0_INT; - d1 = AU1000_GPIO3_INT; + d0 = 0; /* GPIO number, NOT irq! */ + d1 = 3; /* GPIO number, NOT irq! */ s0 = AU1000_GPIO1_INT; s1 = AU1000_GPIO4_INT; platform_add_devices(db1000_devs, ARRAY_SIZE(db1000_devs)); } else if ((board == BCSR_WHOAMI_PB1500) || (board == BCSR_WHOAMI_PB1500R2)) { c0 = AU1500_GPIO203_INT; - d0 = AU1500_GPIO201_INT; + d0 = 1; /* GPIO number, NOT irq! */ s0 = AU1500_GPIO202_INT; twosocks = 0; flashsize = 64; @@ -566,7 +566,7 @@ int __init db1000_dev_setup(void) */ } else if (board == BCSR_WHOAMI_PB1100) { c0 = AU1100_GPIO11_INT; - d0 = AU1100_GPIO9_INT; + d0 = 9; /* GPIO number, NOT irq! */ s0 = AU1100_GPIO10_INT; twosocks = 0; flashsize = 64; @@ -583,7 +583,6 @@ int __init db1000_dev_setup(void) } else return 0; /* unknown board, no further dev setup to do */ - irq_set_irq_type(d0, IRQ_TYPE_EDGE_BOTH); irq_set_irq_type(c0, IRQ_TYPE_LEVEL_LOW); irq_set_irq_type(s0, IRQ_TYPE_LEVEL_LOW); @@ -597,7 +596,6 @@ int __init db1000_dev_setup(void) c0, d0, /*s0*/0, 0, 0); if (twosocks) { - irq_set_irq_type(d1, IRQ_TYPE_EDGE_BOTH); irq_set_irq_type(c1, IRQ_TYPE_LEVEL_LOW); irq_set_irq_type(s1, IRQ_TYPE_LEVEL_LOW); diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c index b518f029f5e7..1c01d6eadb08 100644 --- a/arch/mips/alchemy/devboards/db1550.c +++ b/arch/mips/alchemy/devboards/db1550.c @@ -514,7 +514,7 @@ static void __init db1550_devices(void) AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1, AU1000_PCMCIA_IO_PHYS_ADDR, AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1, - AU1550_GPIO3_INT, AU1550_GPIO0_INT, + AU1550_GPIO3_INT, 0, /*AU1550_GPIO21_INT*/0, 0, 0); db1x_register_pcmcia_socket( @@ -524,7 +524,7 @@ static void __init db1550_devices(void) AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004400000 - 1, AU1000_PCMCIA_IO_PHYS_ADDR + 0x004000000, AU1000_PCMCIA_IO_PHYS_ADDR + 0x004010000 - 1, - AU1550_GPIO5_INT, AU1550_GPIO1_INT, + AU1550_GPIO5_INT, 1, /*AU1550_GPIO22_INT*/0, 0, 1); platform_device_register(&db1550_nand_dev); diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c index eb5117ced95a..618dfd735eed 100644 --- a/arch/mips/ath79/clock.c +++ b/arch/mips/ath79/clock.c @@ -26,8 +26,7 @@ #include "common.h" #define AR71XX_BASE_FREQ 40000000 -#define AR724X_BASE_FREQ 5000000 -#define AR913X_BASE_FREQ 5000000 +#define AR724X_BASE_FREQ 40000000 static struct clk *clks[3]; static struct clk_onecell_data clk_data = { @@ -103,8 +102,8 @@ static void __init ar724x_clocks_init(void) div = ((pll >> AR724X_PLL_FB_SHIFT) & AR724X_PLL_FB_MASK); freq = div * ref_rate; - div = ((pll >> AR724X_PLL_REF_DIV_SHIFT) & AR724X_PLL_REF_DIV_MASK); - freq *= div; + div = ((pll >> AR724X_PLL_REF_DIV_SHIFT) & AR724X_PLL_REF_DIV_MASK) * 2; + freq /= div; cpu_rate = freq; @@ -123,39 +122,6 @@ static void __init ar724x_clocks_init(void) clk_add_alias("uart", NULL, "ahb", NULL); } -static void __init ar913x_clocks_init(void) -{ - unsigned long ref_rate; - unsigned long cpu_rate; - unsigned long ddr_rate; - unsigned long ahb_rate; - u32 pll; - u32 freq; - u32 div; - - ref_rate = AR913X_BASE_FREQ; - pll = ath79_pll_rr(AR913X_PLL_REG_CPU_CONFIG); - - div = ((pll >> AR913X_PLL_FB_SHIFT) & AR913X_PLL_FB_MASK); - freq = div * ref_rate; - - cpu_rate = freq; - - div = ((pll >> AR913X_DDR_DIV_SHIFT) & AR913X_DDR_DIV_MASK) + 1; - ddr_rate = freq / div; - - div = (((pll >> AR913X_AHB_DIV_SHIFT) & AR913X_AHB_DIV_MASK) + 1) * 2; - ahb_rate = cpu_rate / div; - - ath79_add_sys_clkdev("ref", ref_rate); - clks[0] = ath79_add_sys_clkdev("cpu", cpu_rate); - clks[1] = ath79_add_sys_clkdev("ddr", ddr_rate); - clks[2] = ath79_add_sys_clkdev("ahb", ahb_rate); - - clk_add_alias("wdt", NULL, "ahb", NULL); - clk_add_alias("uart", NULL, "ahb", NULL); -} - static void __init ar933x_clocks_init(void) { unsigned long ref_rate; @@ -443,10 +409,8 @@ void __init ath79_clocks_init(void) { if (soc_is_ar71xx()) ar71xx_clocks_init(); - else if (soc_is_ar724x()) + else if (soc_is_ar724x() || soc_is_ar913x()) ar724x_clocks_init(); - else if (soc_is_ar913x()) - ar913x_clocks_init(); else if (soc_is_ar933x()) ar933x_clocks_init(); else if (soc_is_ar934x()) diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c index 959c145a0a2c..ca7ad131d057 100644 --- a/arch/mips/bcm47xx/sprom.c +++ b/arch/mips/bcm47xx/sprom.c @@ -714,11 +714,11 @@ void bcm47xx_sprom_register_fallbacks(void) { #if defined(CONFIG_BCM47XX_SSB) if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb)) - pr_warn("Failed to registered ssb SPROM handler\n"); + pr_warn("Failed to register ssb SPROM handler\n"); #endif #if defined(CONFIG_BCM47XX_BCMA) if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma)) - pr_warn("Failed to registered bcma SPROM handler\n"); + pr_warn("Failed to register bcma SPROM handler\n"); #endif } diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 4eff1ef02eff..309d2ad67e4d 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -39,10 +39,11 @@ vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o endif -vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o +vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o -$(obj)/ashldi3.o: KBUILD_CFLAGS += -I$(srctree)/arch/mips/lib -$(obj)/ashldi3.c: $(srctree)/arch/mips/lib/ashldi3.c +extra-y += ashldi3.c bswapsi.c +$(obj)/ashldi3.o $(obj)/bswapsi.o: KBUILD_CFLAGS += -I$(srctree)/arch/mips/lib +$(obj)/ashldi3.c $(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c $(call cmd,shipped) targets := $(notdir $(vmlinuzobjs-y)) diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi index adb33e355043..56035e5b7008 100644 --- a/arch/mips/boot/dts/brcm/bcm7435.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi @@ -82,7 +82,7 @@ }; gisb-arb@400000 { - compatible = "brcm,bcm7400-gisb-arb"; + compatible = "brcm,bcm7435-gisb-arb"; reg = <0x400000 0xdc>; native-endian; interrupt-parent = <&sun_l2_intc>; diff --git a/arch/mips/boot/dts/qca/ar9132.dtsi b/arch/mips/boot/dts/qca/ar9132.dtsi index 3ad4ba9b12fd..3c2ed9ee5b2f 100644 --- a/arch/mips/boot/dts/qca/ar9132.dtsi +++ b/arch/mips/boot/dts/qca/ar9132.dtsi @@ -83,7 +83,7 @@ }; pll: pll-controller@18050000 { - compatible = "qca,ar9132-ppl", + compatible = "qca,ar9132-pll", "qca,ar9130-pll"; reg = <0x18050000 0x20>; diff --git a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts index e535ee3c26a4..4f1540e5f963 100644 --- a/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts +++ b/arch/mips/boot/dts/qca/ar9132_tl_wr1043nd_v1.dts @@ -18,7 +18,7 @@ reg = <0x0 0x2000000>; }; - extosc: oscillator { + extosc: ref { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <40000000>; diff --git a/arch/mips/cavium-octeon/executive/cvmx-interrupt-decodes.c b/arch/mips/cavium-octeon/executive/cvmx-interrupt-decodes.c index e59d1b79f24c..2f415d9d0f3c 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-interrupt-decodes.c +++ b/arch/mips/cavium-octeon/executive/cvmx-interrupt-decodes.c @@ -68,7 +68,7 @@ void __cvmx_interrupt_gmxx_rxx_int_en_enable(int index, int block) gmx_rx_int_en.s.pause_drp = 1; /* Skipping gmx_rx_int_en.s.reserved_16_18 */ /*gmx_rx_int_en.s.ifgerr = 1; */ - /*gmx_rx_int_en.s.coldet = 1; // Collsion detect */ + /*gmx_rx_int_en.s.coldet = 1; // Collision detect */ /*gmx_rx_int_en.s.falerr = 1; // False carrier error or extend error after slottime */ /*gmx_rx_int_en.s.rsverr = 1; // RGMII reserved opcodes */ /*gmx_rx_int_en.s.pcterr = 1; // Bad Preamble / Protocol */ @@ -89,7 +89,7 @@ void __cvmx_interrupt_gmxx_rxx_int_en_enable(int index, int block) /*gmx_rx_int_en.s.phy_spd = 1; */ /*gmx_rx_int_en.s.phy_link = 1; */ /*gmx_rx_int_en.s.ifgerr = 1; */ - /*gmx_rx_int_en.s.coldet = 1; // Collsion detect */ + /*gmx_rx_int_en.s.coldet = 1; // Collision detect */ /*gmx_rx_int_en.s.falerr = 1; // False carrier error or extend error after slottime */ /*gmx_rx_int_en.s.rsverr = 1; // RGMII reserved opcodes */ /*gmx_rx_int_en.s.pcterr = 1; // Bad Preamble / Protocol */ @@ -112,7 +112,7 @@ void __cvmx_interrupt_gmxx_rxx_int_en_enable(int index, int block) /*gmx_rx_int_en.s.phy_spd = 1; */ /*gmx_rx_int_en.s.phy_link = 1; */ /*gmx_rx_int_en.s.ifgerr = 1; */ - /*gmx_rx_int_en.s.coldet = 1; // Collsion detect */ + /*gmx_rx_int_en.s.coldet = 1; // Collision detect */ /*gmx_rx_int_en.s.falerr = 1; // False carrier error or extend error after slottime */ /*gmx_rx_int_en.s.rsverr = 1; // RGMII reserved opcodes */ /*gmx_rx_int_en.s.pcterr = 1; // Bad Preamble / Protocol */ @@ -134,7 +134,7 @@ void __cvmx_interrupt_gmxx_rxx_int_en_enable(int index, int block) /*gmx_rx_int_en.s.phy_spd = 1; */ /*gmx_rx_int_en.s.phy_link = 1; */ /*gmx_rx_int_en.s.ifgerr = 1; */ - /*gmx_rx_int_en.s.coldet = 1; // Collsion detect */ + /*gmx_rx_int_en.s.coldet = 1; // Collision detect */ /*gmx_rx_int_en.s.falerr = 1; // False carrier error or extend error after slottime */ /*gmx_rx_int_en.s.rsverr = 1; // RGMII reserved opcodes */ /*gmx_rx_int_en.s.pcterr = 1; // Bad Preamble / Protocol */ @@ -156,7 +156,7 @@ void __cvmx_interrupt_gmxx_rxx_int_en_enable(int index, int block) /*gmx_rx_int_en.s.phy_spd = 1; */ /*gmx_rx_int_en.s.phy_link = 1; */ /*gmx_rx_int_en.s.ifgerr = 1; */ - /*gmx_rx_int_en.s.coldet = 1; // Collsion detect */ + /*gmx_rx_int_en.s.coldet = 1; // Collision detect */ /*gmx_rx_int_en.s.falerr = 1; // False carrier error or extend error after slottime */ /*gmx_rx_int_en.s.rsverr = 1; // RGMII reserved opcodes */ /*gmx_rx_int_en.s.pcterr = 1; // Bad Preamble / Protocol */ @@ -179,7 +179,7 @@ void __cvmx_interrupt_gmxx_rxx_int_en_enable(int index, int block) /*gmx_rx_int_en.s.phy_spd = 1; */ /*gmx_rx_int_en.s.phy_link = 1; */ /*gmx_rx_int_en.s.ifgerr = 1; */ - /*gmx_rx_int_en.s.coldet = 1; // Collsion detect */ + /*gmx_rx_int_en.s.coldet = 1; // Collision detect */ /*gmx_rx_int_en.s.falerr = 1; // False carrier error or extend error after slottime */ /*gmx_rx_int_en.s.rsverr = 1; // RGMII reserved opcodes */ /*gmx_rx_int_en.s.pcterr = 1; // Bad Preamble / Protocol */ @@ -209,7 +209,7 @@ void __cvmx_interrupt_gmxx_rxx_int_en_enable(int index, int block) gmx_rx_int_en.s.pause_drp = 1; /* Skipping gmx_rx_int_en.s.reserved_16_18 */ /*gmx_rx_int_en.s.ifgerr = 1; */ - /*gmx_rx_int_en.s.coldet = 1; // Collsion detect */ + /*gmx_rx_int_en.s.coldet = 1; // Collision detect */ /*gmx_rx_int_en.s.falerr = 1; // False carrier error or extend error after slottime */ /*gmx_rx_int_en.s.rsverr = 1; // RGMII reserved opcodes */ /*gmx_rx_int_en.s.pcterr = 1; // Bad Preamble / Protocol */ diff --git a/arch/mips/cavium-octeon/executive/cvmx-pko.c b/arch/mips/cavium-octeon/executive/cvmx-pko.c index 87be167a7a6a..676fab50dd2b 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-pko.c +++ b/arch/mips/cavium-octeon/executive/cvmx-pko.c @@ -189,7 +189,7 @@ void cvmx_pko_initialize_global(void) /* * Set the size of the PKO command buffers to an odd number of * 64bit words. This allows the normal two word send to stay - * aligned and never span a comamnd word buffer. + * aligned and never span a command word buffer. */ config.u64 = 0; config.s.pool = CVMX_FPA_OUTPUT_BUFFER_POOL; diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index b7fa9ae28c36..42412ba0f3bf 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -331,7 +331,7 @@ static int octeon_update_boot_vector(unsigned int cpu) } if (!(avail_coremask & (1 << coreid))) { - /* core not available, assume, that catched by simple-executive */ + /* core not available, assume, that caught by simple-executive */ cvmx_write_csr(CVMX_CIU_PP_RST, 1 << coreid); cvmx_write_csr(CVMX_CIU_PP_RST, 0); } diff --git a/arch/mips/configs/ci20_defconfig b/arch/mips/configs/ci20_defconfig index 4e36b6e1869c..43e0ba24470c 100644 --- a/arch/mips/configs/ci20_defconfig +++ b/arch/mips/configs/ci20_defconfig @@ -17,13 +17,12 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_CGROUPS=y +CONFIG_MEMCG=y +CONFIG_CGROUP_SCHED=y CONFIG_CGROUP_FREEZER=y -CONFIG_CGROUP_DEVICE=y CONFIG_CPUSETS=y +CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y -CONFIG_MEMCG=y -CONFIG_MEMCG_KMEM=y -CONFIG_CGROUP_SCHED=y CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y @@ -52,6 +51,11 @@ CONFIG_DEVTMPFS=y # CONFIG_ALLOW_DEV_COREDUMP is not set CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=32 +CONFIG_MTD=y +CONFIG_MTD_NAND=y +CONFIG_MTD_NAND_JZ4780=y +CONFIG_MTD_UBI=y +CONFIG_MTD_UBI_FASTMAP=y CONFIG_NETDEVICES=y # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set @@ -103,7 +107,7 @@ CONFIG_PROC_KCORE=y # CONFIG_PROC_PAGE_MONITOR is not set CONFIG_TMPFS=y CONFIG_CONFIGFS_FS=y -# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_UBIFS_FS=y # CONFIG_NETWORK_FILESYSTEMS is not set CONFIG_NLS=y CONFIG_NLS_CODEPAGE_437=y diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S index 8c6f508e59de..d7b99180c6e1 100644 --- a/arch/mips/dec/int-handler.S +++ b/arch/mips/dec/int-handler.S @@ -5,7 +5,7 @@ * Written by Ralf Baechle and Andreas Busse, modified for DECstation * support by Paul Antoine and Harald Koerfgen. * - * completly rewritten: + * completely rewritten: * Copyright (C) 1998 Harald Koerfgen * * Rewritten extensively for controller-driven IRQ support diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c index 5537b94572b2..0d75b5a0bad4 100644 --- a/arch/mips/fw/arc/memory.c +++ b/arch/mips/fw/arc/memory.c @@ -9,7 +9,7 @@ * PROM library functions for acquiring/using memory descriptors given to us * from the ARCS firmware. This is only used when CONFIG_ARC_MEMORY is set * because on some machines like SGI IP27 the ARC memory configuration data - * completly bogus and alternate easier to use mechanisms are available. + * completely bogus and alternate easier to use mechanisms are available. */ #include <linux/init.h> #include <linux/kernel.h> diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index e7dc785a91ca..af12c1f9f1a8 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -102,7 +102,7 @@ extern void cpu_probe(void); extern void cpu_report(void); extern const char *__cpu_name[]; -#define cpu_name_string() __cpu_name[smp_processor_id()] +#define cpu_name_string() __cpu_name[raw_smp_processor_id()] struct seq_file; struct notifier_block; diff --git a/arch/mips/include/asm/mach-cavium-octeon/kernel-entry-init.h b/arch/mips/include/asm/mach-cavium-octeon/kernel-entry-init.h index cf92fe733995..c4873e8594ef 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-cavium-octeon/kernel-entry-init.h @@ -141,7 +141,7 @@ octeon_main_processor: .endm /* - * Do SMP slave processor setup necessary before we can savely execute C code. + * Do SMP slave processor setup necessary before we can safely execute C code. */ .macro smp_slave_setup .endm diff --git a/arch/mips/include/asm/mach-generic/kernel-entry-init.h b/arch/mips/include/asm/mach-generic/kernel-entry-init.h index 13b0751b010a..a229297c880b 100644 --- a/arch/mips/include/asm/mach-generic/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-generic/kernel-entry-init.h @@ -16,7 +16,7 @@ .endm /* - * Do SMP slave processor setup necessary before we can savely execute C code. + * Do SMP slave processor setup necessary before we can safely execute C code. */ .macro smp_slave_setup .endm diff --git a/arch/mips/include/asm/mach-ip27/irq.h b/arch/mips/include/asm/mach-ip27/irq.h index cf4384bfa846..b0b7261ff3ad 100644 --- a/arch/mips/include/asm/mach-ip27/irq.h +++ b/arch/mips/include/asm/mach-ip27/irq.h @@ -11,7 +11,7 @@ #define __ASM_MACH_IP27_IRQ_H /* - * A hardwired interrupt number is completly stupid for this system - a + * A hardwired interrupt number is completely stupid for this system - a * large configuration might have thousands if not tenthousands of * interrupts. */ diff --git a/arch/mips/include/asm/mach-ip27/kernel-entry-init.h b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h index b087cb83da3a..f992c1db876b 100644 --- a/arch/mips/include/asm/mach-ip27/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h @@ -81,7 +81,7 @@ .endm /* - * Do SMP slave processor setup necessary before we can savely execute C code. + * Do SMP slave processor setup necessary before we can safely execute C code. */ .macro smp_slave_setup GET_NASID_ASM t1 diff --git a/arch/mips/include/asm/mach-jz4740/gpio.h b/arch/mips/include/asm/mach-jz4740/gpio.h index bf8c3e1860e7..7c7708a23baa 100644 --- a/arch/mips/include/asm/mach-jz4740/gpio.h +++ b/arch/mips/include/asm/mach-jz4740/gpio.h @@ -27,7 +27,7 @@ enum jz_gpio_function { /* Usually a driver for a SoC component has to request several gpio pins and - configure them as funcion pins. + configure them as function pins. jz_gpio_bulk_request can be used to ease this process. Usually one would do something like: diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h index b196825a1de9..d4635391c36a 100644 --- a/arch/mips/include/asm/mips-cm.h +++ b/arch/mips/include/asm/mips-cm.h @@ -28,7 +28,7 @@ extern void __iomem *mips_cm_l2sync_base; * This function returns the physical base address of the Coherence Manager * global control block, or 0 if no Coherence Manager is present. It provides * a default implementation which reads the CMGCRBase register where available, - * and may be overriden by platforms which determine this address in a + * and may be overridden by platforms which determine this address in a * different way by defining a function with the same prototype except for the * name mips_cm_phys_base (without underscores). */ diff --git a/arch/mips/include/asm/mips-r2-to-r6-emul.h b/arch/mips/include/asm/mips-r2-to-r6-emul.h index 1f6ea8352ca9..20621e1ca238 100644 --- a/arch/mips/include/asm/mips-r2-to-r6-emul.h +++ b/arch/mips/include/asm/mips-r2-to-r6-emul.h @@ -79,7 +79,7 @@ struct r2_decoder_table { }; -extern void do_trap_or_bp(struct pt_regs *regs, unsigned int code, +extern void do_trap_or_bp(struct pt_regs *regs, unsigned int code, int si_code, const char *str); #ifndef CONFIG_MIPSR2_TO_R6_EMULATOR diff --git a/arch/mips/include/asm/octeon/cvmx-config.h b/arch/mips/include/asm/octeon/cvmx-config.h index f7dd17d0dc22..f4f1996e0fac 100644 --- a/arch/mips/include/asm/octeon/cvmx-config.h +++ b/arch/mips/include/asm/octeon/cvmx-config.h @@ -33,7 +33,7 @@ /* Packet buffers */ #define CVMX_FPA_PACKET_POOL (0) #define CVMX_FPA_PACKET_POOL_SIZE CVMX_FPA_POOL_0_SIZE -/* Work queue entrys */ +/* Work queue entries */ #define CVMX_FPA_WQE_POOL (1) #define CVMX_FPA_WQE_POOL_SIZE CVMX_FPA_POOL_1_SIZE /* PKO queue command buffers */ diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h index 19e139c9f337..3e982e0c397e 100644 --- a/arch/mips/include/asm/octeon/cvmx.h +++ b/arch/mips/include/asm/octeon/cvmx.h @@ -189,7 +189,7 @@ static inline uint64_t cvmx_ptr_to_phys(void *ptr) static inline void *cvmx_phys_to_ptr(uint64_t physical_address) { if (sizeof(void *) == 8) { - /* Just set the top bit, avoiding any TLB uglyness */ + /* Just set the top bit, avoiding any TLB ugliness */ return CASTPTR(void, CVMX_ADD_SEG(CVMX_MIPS_SPACE_XKPHYS, physical_address)); diff --git a/arch/mips/include/asm/pci/bridge.h b/arch/mips/include/asm/pci/bridge.h index 8d7a63b52ac7..3206245d1ed6 100644 --- a/arch/mips/include/asm/pci/bridge.h +++ b/arch/mips/include/asm/pci/bridge.h @@ -269,16 +269,16 @@ typedef struct bridge_err_cmdword_s { union { u32 cmd_word; struct { - u32 didn:4, /* Destination ID */ - sidn:4, /* Source ID */ - pactyp:4, /* Packet type */ - tnum:5, /* Trans Number */ - coh:1, /* Coh Transacti */ - ds:2, /* Data size */ - gbr:1, /* GBR enable */ - vbpm:1, /* VBPM message */ + u32 didn:4, /* Destination ID */ + sidn:4, /* Source ID */ + pactyp:4, /* Packet type */ + tnum:5, /* Trans Number */ + coh:1, /* Coh Transaction */ + ds:2, /* Data size */ + gbr:1, /* GBR enable */ + vbpm:1, /* VBPM message */ error:1, /* Error occurred */ - barr:1, /* Barrier op */ + barr:1, /* Barrier op */ rsvd:8; } berr_st; } berr_un; diff --git a/arch/mips/include/asm/sgi/hpc3.h b/arch/mips/include/asm/sgi/hpc3.h index 59920b345942..4a9c99050c13 100644 --- a/arch/mips/include/asm/sgi/hpc3.h +++ b/arch/mips/include/asm/sgi/hpc3.h @@ -147,7 +147,7 @@ struct hpc3_ethregs { #define HPC3_EPCFG_P1 0x000f /* Cycles to spend in P1 state for PIO */ #define HPC3_EPCFG_P2 0x00f0 /* Cycles to spend in P2 state for PIO */ #define HPC3_EPCFG_P3 0x0f00 /* Cycles to spend in P3 state for PIO */ -#define HPC3_EPCFG_TST 0x1000 /* Diagnistic ram test feature bit */ +#define HPC3_EPCFG_TST 0x1000 /* Diagnostic ram test feature bit */ u32 _unused2[0x1000/4 - 8]; /* padding */ diff --git a/arch/mips/include/asm/sgiarcs.h b/arch/mips/include/asm/sgiarcs.h index 26ddfff28c8e..105a9479ac5f 100644 --- a/arch/mips/include/asm/sgiarcs.h +++ b/arch/mips/include/asm/sgiarcs.h @@ -144,7 +144,7 @@ struct linux_tinfo { struct linux_vdirent { ULONG namelen; unsigned char attr; - char fname[32]; /* XXX imperical, should be a define */ + char fname[32]; /* XXX empirical, should be a define */ }; /* Other stuff for files. */ @@ -179,7 +179,7 @@ struct linux_finfo { enum linux_devtypes dtype; unsigned long namelen; unsigned char attr; - char name[32]; /* XXX imperical, should be define */ + char name[32]; /* XXX empirical, should be define */ }; /* This describes the vector containing function pointers to the ARC diff --git a/arch/mips/include/asm/sn/ioc3.h b/arch/mips/include/asm/sn/ioc3.h index e33f0363235b..feb385180f87 100644 --- a/arch/mips/include/asm/sn/ioc3.h +++ b/arch/mips/include/asm/sn/ioc3.h @@ -355,7 +355,7 @@ struct ioc3_etxd { #define SSCR_PAUSE_STATE 0x40000000 /* sets when PAUSE takes effect */ #define SSCR_RESET 0x80000000 /* reset DMA channels */ -/* all producer/comsumer pointers are the same bitfield */ +/* all producer/consumer pointers are the same bitfield */ #define PROD_CONS_PTR_4K 0x00000ff8 /* for 4K buffers */ #define PROD_CONS_PTR_1K 0x000003f8 /* for 1K buffers */ #define PROD_CONS_PTR_OFF 3 diff --git a/arch/mips/include/asm/sn/sn0/hubio.h b/arch/mips/include/asm/sn/sn0/hubio.h index 5998b13e9764..57ece90f8cf1 100644 --- a/arch/mips/include/asm/sn/sn0/hubio.h +++ b/arch/mips/include/asm/sn/sn0/hubio.h @@ -628,7 +628,7 @@ typedef union h1_icrbb_u { /* * Values for field imsgtype */ -#define IIO_ICRB_IMSGT_XTALK 0 /* Incoming Meessage from Xtalk */ +#define IIO_ICRB_IMSGT_XTALK 0 /* Incoming Message from Xtalk */ #define IIO_ICRB_IMSGT_BTE 1 /* Incoming message from BTE */ #define IIO_ICRB_IMSGT_SN0NET 2 /* Incoming message from SN0 net */ #define IIO_ICRB_IMSGT_CRB 3 /* Incoming message from CRB ??? */ diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 095ecafe6bd3..7f109d4f64a4 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -95,7 +95,7 @@ static inline bool eva_kernel_access(void) } /* - * Is a address valid? This does a straighforward calculation rather + * Is a address valid? This does a straightforward calculation rather * than tests. * * Address valid if: diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h index 3129795de940..24ad815c7f38 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -381,16 +381,18 @@ #define __NR_membarrier (__NR_Linux + 358) #define __NR_mlock2 (__NR_Linux + 359) #define __NR_copy_file_range (__NR_Linux + 360) +#define __NR_preadv2 (__NR_Linux + 361) +#define __NR_pwritev2 (__NR_Linux + 362) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 360 +#define __NR_Linux_syscalls 362 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 360 +#define __NR_O32_Linux_syscalls 362 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -719,16 +721,18 @@ #define __NR_membarrier (__NR_Linux + 318) #define __NR_mlock2 (__NR_Linux + 319) #define __NR_copy_file_range (__NR_Linux + 320) +#define __NR_preadv2 (__NR_Linux + 321) +#define __NR_pwritev2 (__NR_Linux + 322) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 320 +#define __NR_Linux_syscalls 322 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 320 +#define __NR_64_Linux_syscalls 322 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1061,15 +1065,17 @@ #define __NR_membarrier (__NR_Linux + 322) #define __NR_mlock2 (__NR_Linux + 323) #define __NR_copy_file_range (__NR_Linux + 324) +#define __NR_preadv2 (__NR_Linux + 325) +#define __NR_pwritev2 (__NR_Linux + 326) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 324 +#define __NR_Linux_syscalls 326 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 324 +#define __NR_N32_Linux_syscalls 326 #endif /* _UAPI_ASM_UNISTD_H */ diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c index 1448c1f43d4e..760217bbb2fa 100644 --- a/arch/mips/kernel/mips-cm.c +++ b/arch/mips/kernel/mips-cm.c @@ -24,7 +24,7 @@ static char *cm2_tr[8] = { "0x04", "cpc", "0x06", "0x07" }; -/* CM3 Tag ECC transation type */ +/* CM3 Tag ECC transaction type */ static char *cm3_tr[16] = { [0x0] = "ReqNoData", [0x1] = "0x1", diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c index 1f5aac7f9ec3..3fff89ae760b 100644 --- a/arch/mips/kernel/mips-r2-to-r6-emul.c +++ b/arch/mips/kernel/mips-r2-to-r6-emul.c @@ -940,42 +940,42 @@ repeat: switch (rt) { case tgei_op: if ((long)regs->regs[rs] >= MIPSInst_SIMM(inst)) - do_trap_or_bp(regs, 0, "TGEI"); + do_trap_or_bp(regs, 0, 0, "TGEI"); MIPS_R2_STATS(traps); break; case tgeiu_op: if (regs->regs[rs] >= MIPSInst_UIMM(inst)) - do_trap_or_bp(regs, 0, "TGEIU"); + do_trap_or_bp(regs, 0, 0, "TGEIU"); MIPS_R2_STATS(traps); break; case tlti_op: if ((long)regs->regs[rs] < MIPSInst_SIMM(inst)) - do_trap_or_bp(regs, 0, "TLTI"); + do_trap_or_bp(regs, 0, 0, "TLTI"); MIPS_R2_STATS(traps); break; case tltiu_op: if (regs->regs[rs] < MIPSInst_UIMM(inst)) - do_trap_or_bp(regs, 0, "TLTIU"); + do_trap_or_bp(regs, 0, 0, "TLTIU"); MIPS_R2_STATS(traps); break; case teqi_op: if (regs->regs[rs] == MIPSInst_SIMM(inst)) - do_trap_or_bp(regs, 0, "TEQI"); + do_trap_or_bp(regs, 0, 0, "TEQI"); MIPS_R2_STATS(traps); break; case tnei_op: if (regs->regs[rs] != MIPSInst_SIMM(inst)) - do_trap_or_bp(regs, 0, "TNEI"); + do_trap_or_bp(regs, 0, 0, "TNEI"); MIPS_R2_STATS(traps); diff --git a/arch/mips/kernel/module-rela.c b/arch/mips/kernel/module-rela.c index 2b70723071c3..9083d63b765c 100644 --- a/arch/mips/kernel/module-rela.c +++ b/arch/mips/kernel/module-rela.c @@ -109,9 +109,10 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, struct module *me) { Elf_Mips_Rela *rel = (void *) sechdrs[relsec].sh_addr; + int (*handler)(struct module *me, u32 *location, Elf_Addr v); Elf_Sym *sym; u32 *location; - unsigned int i; + unsigned int i, type; Elf_Addr v; int res; @@ -134,9 +135,21 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, return -ENOENT; } - v = sym->st_value + rel[i].r_addend; + type = ELF_MIPS_R_TYPE(rel[i]); + + if (type < ARRAY_SIZE(reloc_handlers_rela)) + handler = reloc_handlers_rela[type]; + else + handler = NULL; - res = reloc_handlers_rela[ELF_MIPS_R_TYPE(rel[i])](me, location, v); + if (!handler) { + pr_err("%s: Unknown relocation type %u\n", + me->name, type); + return -EINVAL; + } + + v = sym->st_value + rel[i].r_addend; + res = handler(me, location, v); if (res) return res; } diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c index 1833f5171ccd..f9b2936d598d 100644 --- a/arch/mips/kernel/module.c +++ b/arch/mips/kernel/module.c @@ -197,9 +197,10 @@ int apply_relocate(Elf_Shdr *sechdrs, const char *strtab, struct module *me) { Elf_Mips_Rel *rel = (void *) sechdrs[relsec].sh_addr; + int (*handler)(struct module *me, u32 *location, Elf_Addr v); Elf_Sym *sym; u32 *location; - unsigned int i; + unsigned int i, type; Elf_Addr v; int res; @@ -223,9 +224,21 @@ int apply_relocate(Elf_Shdr *sechdrs, const char *strtab, return -ENOENT; } - v = sym->st_value; + type = ELF_MIPS_R_TYPE(rel[i]); + + if (type < ARRAY_SIZE(reloc_handlers_rel)) + handler = reloc_handlers_rel[type]; + else + handler = NULL; - res = reloc_handlers_rel[ELF_MIPS_R_TYPE(rel[i])](me, location, v); + if (!handler) { + pr_err("%s: Unknown relocation type %u\n", + me->name, type); + return -EINVAL; + } + + v = sym->st_value; + res = handler(me, location, v); if (res) return res; } diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c index c1cf9c6c3f77..5021c546ad07 100644 --- a/arch/mips/kernel/perf_event.c +++ b/arch/mips/kernel/perf_event.c @@ -35,7 +35,7 @@ static void save_raw_perf_callchain(struct perf_callchain_entry *entry, addr = *sp++; if (__kernel_text_address(addr)) { perf_callchain_store(entry, addr); - if (entry->nr >= PERF_MAX_STACK_DEPTH) + if (entry->nr >= sysctl_perf_event_max_stack) break; } } @@ -59,7 +59,7 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry, } do { perf_callchain_store(entry, pc); - if (entry->nr >= PERF_MAX_STACK_DEPTH) + if (entry->nr >= sysctl_perf_event_max_stack) break; pc = unwind_stack(current, &sp, pc, &ra); } while (pc); diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index d7b8dd43147a..9bc1191b1ab0 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -530,7 +530,7 @@ static void mipspmu_enable(struct pmu *pmu) /* * MIPS performance counters can be per-TC. The control registers can - * not be directly accessed accross CPUs. Hence if we want to do global + * not be directly accessed across CPUs. Hence if we want to do global * control, we need cross CPU calls. on_each_cpu() can help us, but we * can not make sure this function is called with interrupts enabled. So * here we pause local counters and then grab a rwlock and leave the diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c index f63a289977cc..fa3f9ebad8f4 100644 --- a/arch/mips/kernel/pm-cps.c +++ b/arch/mips/kernel/pm-cps.c @@ -472,7 +472,7 @@ static void * __init cps_gen_entry_code(unsigned cpu, enum cps_pm_state state) /* * Disable all but self interventions. The load from COHCTL is defined * by the interAptiv & proAptiv SUMs as ensuring that the operation - * resulting from the preceeding store is complete. + * resulting from the preceding store is complete. */ uasm_i_addiu(&p, t0, zero, 1 << cpu_data[cpu].core); uasm_i_sw(&p, t0, 0, r_pcohctl); diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index eddd5fd6fdfa..92880cee449e 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -615,7 +615,7 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) * allows us to only worry about whether an FP mode switch is in * progress when FP is first used in a tasks time slice. Pretty much all * of the mode switch overhead can thus be confined to cases where mode - * switches are actually occuring. That is, to here. However for the + * switches are actually occurring. That is, to here. However for the * thread performing the mode switch it may take a while... */ if (num_online_cpus() > 1) { diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index a56317444bda..d01fe53a6638 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -596,3 +596,5 @@ EXPORT(sys_call_table) PTR sys_membarrier PTR sys_mlock2 PTR sys_copy_file_range /* 4360 */ + PTR sys_preadv2 + PTR sys_pwritev2 diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 2b2dc14610d0..6b73ecc02597 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -434,4 +434,6 @@ EXPORT(sys_call_table) PTR sys_membarrier PTR sys_mlock2 PTR sys_copy_file_range /* 5320 */ + PTR sys_preadv2 + PTR sys_pwritev2 .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 2bf5c8593d91..71f99d5f7a06 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -424,4 +424,6 @@ EXPORT(sysn32_call_table) PTR sys_membarrier PTR sys_mlock2 PTR sys_copy_file_range + PTR compat_sys_preadv2 /* 6325 */ + PTR compat_sys_pwritev2 .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index c5b759e584c7..91b43eea2d5a 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -579,4 +579,6 @@ EXPORT(sys32_call_table) PTR sys_membarrier PTR sys_mlock2 PTR sys_copy_file_range /* 4360 */ + PTR compat_sys_preadv2 + PTR compat_sys_pwritev2 .size sys32_call_table,.-sys32_call_table diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 37708d9af638..27cb638f0824 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -243,6 +243,18 @@ static int __init mips_smp_ipi_init(void) struct irq_domain *ipidomain; struct device_node *node; + /* + * In some cases like qemu-malta, it is desired to try SMP with + * a single core. Qemu-malta has no GIC, so an attempt to set any IPIs + * would cause a BUG_ON() to be triggered since there's no ipidomain. + * + * Since for a single core system IPIs aren't required really, skip the + * initialisation which should generally keep any such configurations + * happy and only fail hard when trying to truely run SMP. + */ + if (cpumask_weight(cpu_possible_mask) == 1) + return 0; + node = of_irq_find_parent(of_root); ipidomain = irq_find_matching_host(node, DOMAIN_BUS_IPI); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index bf14da9f3e33..ae0c89d23ad7 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -56,6 +56,7 @@ #include <asm/pgtable.h> #include <asm/ptrace.h> #include <asm/sections.h> +#include <asm/siginfo.h> #include <asm/tlbdebug.h> #include <asm/traps.h> #include <asm/uaccess.h> @@ -871,7 +872,7 @@ out: exception_exit(prev_state); } -void do_trap_or_bp(struct pt_regs *regs, unsigned int code, +void do_trap_or_bp(struct pt_regs *regs, unsigned int code, int si_code, const char *str) { siginfo_t info = { 0 }; @@ -928,7 +929,13 @@ void do_trap_or_bp(struct pt_regs *regs, unsigned int code, default: scnprintf(b, sizeof(b), "%s instruction in kernel code", str); die_if_kernel(b, regs); - force_sig(SIGTRAP, current); + if (si_code) { + info.si_signo = SIGTRAP; + info.si_code = si_code; + force_sig_info(SIGTRAP, &info, current); + } else { + force_sig(SIGTRAP, current); + } } } @@ -1012,7 +1019,7 @@ asmlinkage void do_bp(struct pt_regs *regs) break; } - do_trap_or_bp(regs, bcode, "Break"); + do_trap_or_bp(regs, bcode, TRAP_BRKPT, "Break"); out: set_fs(seg); @@ -1054,7 +1061,7 @@ asmlinkage void do_tr(struct pt_regs *regs) tcode = (opcode >> 6) & ((1 << 10) - 1); } - do_trap_or_bp(regs, tcode, "Trap"); + do_trap_or_bp(regs, tcode, 0, "Trap"); out: set_fs(seg); @@ -1115,19 +1122,7 @@ no_r2_instr: if (unlikely(compute_return_epc(regs) < 0)) goto out; - if (get_isa16_mode(regs->cp0_epc)) { - unsigned short mmop[2] = { 0 }; - - if (unlikely(get_user(mmop[0], (u16 __user *)epc + 0) < 0)) - status = SIGSEGV; - if (unlikely(get_user(mmop[1], (u16 __user *)epc + 1) < 0)) - status = SIGSEGV; - opcode = mmop[0]; - opcode = (opcode << 16) | mmop[1]; - - if (status < 0) - status = simulate_rdhwr_mm(regs, opcode); - } else { + if (!get_isa16_mode(regs->cp0_epc)) { if (unlikely(get_user(opcode, epc) < 0)) status = SIGSEGV; @@ -1142,6 +1137,18 @@ no_r2_instr: if (status < 0) status = simulate_fp(regs, opcode, old_epc, old31); + } else if (cpu_has_mmips) { + unsigned short mmop[2] = { 0 }; + + if (unlikely(get_user(mmop[0], (u16 __user *)epc + 0) < 0)) + status = SIGSEGV; + if (unlikely(get_user(mmop[1], (u16 __user *)epc + 1) < 0)) + status = SIGSEGV; + opcode = mmop[0]; + opcode = (opcode << 16) | mmop[1]; + + if (status < 0) + status = simulate_rdhwr_mm(regs, opcode); } if (status < 0) @@ -1492,6 +1499,7 @@ asmlinkage void do_mdmx(struct pt_regs *regs) */ asmlinkage void do_watch(struct pt_regs *regs) { + siginfo_t info = { .si_signo = SIGTRAP, .si_code = TRAP_HWBKPT }; enum ctx_state prev_state; u32 cause; @@ -1512,7 +1520,7 @@ asmlinkage void do_watch(struct pt_regs *regs) if (test_tsk_thread_flag(current, TIF_LOAD_WATCH)) { mips_read_watch_registers(); local_irq_enable(); - force_sig(SIGTRAP, current); + force_sig_info(SIGTRAP, &info, current); } else { mips_clear_watch_registers(); local_irq_enable(); @@ -2214,7 +2222,7 @@ void __init trap_init(void) /* * Copy the generic exception handlers to their final destination. - * This will be overriden later as suitable for a particular + * This will be overridden later as suitable for a particular * configuration. */ set_handler(0x180, &except_vec3_generic, 0x80); diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index 490cea569d57..5c62065cbf22 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -885,7 +885,7 @@ static void emulate_load_store_insn(struct pt_regs *regs, { union mips_instruction insn; unsigned long value; - unsigned int res; + unsigned int res, preempted; unsigned long origpc; unsigned long orig31; void __user *fault_addr = NULL; @@ -1226,27 +1226,36 @@ static void emulate_load_store_insn(struct pt_regs *regs, if (!access_ok(VERIFY_READ, addr, sizeof(*fpr))) goto sigbus; - /* - * Disable preemption to avoid a race between copying - * state from userland, migrating to another CPU and - * updating the hardware vector register below. - */ - preempt_disable(); - - res = __copy_from_user_inatomic(fpr, addr, - sizeof(*fpr)); - if (res) - goto fault; - - /* - * Update the hardware register if it is in use by the - * task in this quantum, in order to avoid having to - * save & restore the whole vector context. - */ - if (test_thread_flag(TIF_USEDMSA)) - write_msa_wr(wd, fpr, df); + do { + /* + * If we have live MSA context keep track of + * whether we get preempted in order to avoid + * the register context we load being clobbered + * by the live context as it's saved during + * preemption. If we don't have live context + * then it can't be saved to clobber the value + * we load. + */ + preempted = test_thread_flag(TIF_USEDMSA); + + res = __copy_from_user_inatomic(fpr, addr, + sizeof(*fpr)); + if (res) + goto fault; - preempt_enable(); + /* + * Update the hardware register if it is in use + * by the task in this quantum, in order to + * avoid having to save & restore the whole + * vector context. + */ + preempt_disable(); + if (test_thread_flag(TIF_USEDMSA)) { + write_msa_wr(wd, fpr, df); + preempted = 0; + } + preempt_enable(); + } while (preempted); break; case msa_st_op: diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index a08c43946247..e0e1d0a611fc 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -632,7 +632,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) kvm_debug("%s: vcpu %p, cpu: %d\n", __func__, vcpu, cpu); - /* Alocate new kernel and user ASIDs if needed */ + /* Allocate new kernel and user ASIDs if needed */ local_irq_save(flags); diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c index ad988000563f..c4038d2a724c 100644 --- a/arch/mips/kvm/trap_emul.c +++ b/arch/mips/kvm/trap_emul.c @@ -500,7 +500,7 @@ static int kvm_trap_emul_vcpu_setup(struct kvm_vcpu *vcpu) kvm_write_c0_guest_config7(cop0, (MIPS_CONF7_WII) | (1 << 10)); /* - * Setup IntCtl defaults, compatibilty mode for timer interrupts (HW5) + * Setup IntCtl defaults, compatibility mode for timer interrupts (HW5) */ kvm_write_c0_guest_intctl(cop0, 0xFC000000); diff --git a/arch/mips/math-emu/ieee754dp.c b/arch/mips/math-emu/ieee754dp.c index ad3c73436777..47d26c805eac 100644 --- a/arch/mips/math-emu/ieee754dp.c +++ b/arch/mips/math-emu/ieee754dp.c @@ -97,7 +97,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm) { assert(xm); /* we don't gen exact zeros (probably should) */ - assert((xm >> (DP_FBITS + 1 + 3)) == 0); /* no execess */ + assert((xm >> (DP_FBITS + 1 + 3)) == 0); /* no excess */ assert(xm & (DP_HIDDEN_BIT << 3)); if (xe < DP_EMIN) { @@ -165,7 +165,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm) /* strip grs bits */ xm >>= 3; - assert((xm >> (DP_FBITS + 1)) == 0); /* no execess */ + assert((xm >> (DP_FBITS + 1)) == 0); /* no excess */ assert(xe >= DP_EMIN); if (xe > DP_EMAX) { @@ -198,7 +198,7 @@ union ieee754dp ieee754dp_format(int sn, int xe, u64 xm) ieee754_setcx(IEEE754_UNDERFLOW); return builddp(sn, DP_EMIN - 1 + DP_EBIAS, xm); } else { - assert((xm >> (DP_FBITS + 1)) == 0); /* no execess */ + assert((xm >> (DP_FBITS + 1)) == 0); /* no excess */ assert(xm & DP_HIDDEN_BIT); return builddp(sn, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT); diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c index def00ffc50fc..e0b2c450b963 100644 --- a/arch/mips/math-emu/ieee754sp.c +++ b/arch/mips/math-emu/ieee754sp.c @@ -97,7 +97,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm) { assert(xm); /* we don't gen exact zeros (probably should) */ - assert((xm >> (SP_FBITS + 1 + 3)) == 0); /* no execess */ + assert((xm >> (SP_FBITS + 1 + 3)) == 0); /* no excess */ assert(xm & (SP_HIDDEN_BIT << 3)); if (xe < SP_EMIN) { @@ -163,7 +163,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm) /* strip grs bits */ xm >>= 3; - assert((xm >> (SP_FBITS + 1)) == 0); /* no execess */ + assert((xm >> (SP_FBITS + 1)) == 0); /* no excess */ assert(xe >= SP_EMIN); if (xe > SP_EMAX) { @@ -196,7 +196,7 @@ union ieee754sp ieee754sp_format(int sn, int xe, unsigned xm) ieee754_setcx(IEEE754_UNDERFLOW); return buildsp(sn, SP_EMIN - 1 + SP_EBIAS, xm); } else { - assert((xm >> (SP_FBITS + 1)) == 0); /* no execess */ + assert((xm >> (SP_FBITS + 1)) == 0); /* no excess */ assert(xm & SP_HIDDEN_BIT); return buildsp(sn, xe + SP_EBIAS, xm & ~SP_HIDDEN_BIT); diff --git a/arch/mips/mm/sc-ip22.c b/arch/mips/mm/sc-ip22.c index dc7c5a5214a9..026cb59a914d 100644 --- a/arch/mips/mm/sc-ip22.c +++ b/arch/mips/mm/sc-ip22.c @@ -158,7 +158,7 @@ static inline int __init indy_sc_probe(void) return 1; } -/* XXX Check with wje if the Indy caches can differenciate between +/* XXX Check with wje if the Indy caches can differentiate between writeback + invalidate and just invalidate. */ static struct bcache_ops indy_sc_ops = { .bc_enable = indy_sc_enable, diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index 5037d5868cef..c17d7627f872 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -19,6 +19,7 @@ #include <asm/cpu.h> #include <asm/cpu-type.h> #include <asm/bootinfo.h> +#include <asm/hazards.h> #include <asm/mmu_context.h> #include <asm/pgtable.h> #include <asm/tlb.h> @@ -486,6 +487,10 @@ static void r4k_tlb_configure(void) * be set to fixed-size pages. */ write_c0_pagemask(PM_DEFAULT_MASK); + back_to_back_c0_hazard(); + if (read_c0_pagemask() != PM_DEFAULT_MASK) + panic("MMU doesn't support PAGE_SIZE=0x%lx", PAGE_SIZE); + write_c0_wired(0); if (current_cpu_type() == CPU_R10000 || current_cpu_type() == CPU_R12000 || diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 5a04b6f5c6fb..84c6e3fda84a 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -12,7 +12,7 @@ * Copyright (C) 2011 MIPS Technologies, Inc. * * ... and the days got worse and worse and now you see - * I've gone completly out of my mind. + * I've gone completely out of my mind. * * They're coming to take me a away haha * they're coming to take me a away hoho hihi haha diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index 8d0eb2643248..f1f88291451e 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -7,7 +7,7 @@ * Copyright (C) 2000 by Silicon Graphics, Inc. * Copyright (C) 2004 by Christoph Hellwig * - * On SGI IP27 the ARC memory configuration data is completly bogus but + * On SGI IP27 the ARC memory configuration data is completely bogus but * alternate easier to use mechanisms are available. */ #include <linux/init.h> |