diff options
Diffstat (limited to 'arch')
34 files changed, 134 insertions, 152 deletions
diff --git a/arch/frv/mm/dma-alloc.c b/arch/frv/mm/dma-alloc.c index dc6522c464d..44840e73e90 100644 --- a/arch/frv/mm/dma-alloc.c +++ b/arch/frv/mm/dma-alloc.c @@ -36,10 +36,10 @@ #include <linux/vmalloc.h> #include <linux/init.h> #include <linux/pci.h> +#include <linux/hardirq.h> #include <asm/pgalloc.h> #include <asm/io.h> -#include <asm/hardirq.h> #include <asm/mmu_context.h> #include <asm/pgtable.h> #include <asm/mmu.h> diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index 1a1f320c30d..0884947ebe2 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h @@ -51,6 +51,7 @@ static inline int __raw_spin_is_contended(raw_spinlock_t *lock) return (((counters >> 14) - counters) & 0x1fff) > 1; } +#define __raw_spin_is_contended __raw_spin_is_contended static inline void __raw_spin_lock(raw_spinlock_t *lock) { diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts index 909a89cab9a..3ebf7ec0484 100644 --- a/arch/powerpc/boot/dts/mpc8313erdb.dts +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts @@ -191,7 +191,8 @@ interrupts = <37 0x8 36 0x8 35 0x8>; interrupt-parent = <&ipic>; tbi-handle = < &tbi0 >; - phy-handle = < &phy1 >; + /* Vitesse 7385 isn't on the MDIO bus */ + fixed-link = <1 1 1000 0 0>; fsl,magic-packet; mdio@24520 { @@ -199,12 +200,6 @@ #size-cells = <0>; compatible = "fsl,gianfar-mdio"; reg = <0x24520 0x20>; - phy1: ethernet-phy@1 { - interrupt-parent = <&ipic>; - interrupts = <19 0x8>; - reg = <0x1>; - device_type = "ethernet-phy"; - }; phy4: ethernet-phy@4 { interrupt-parent = <&ipic>; interrupts = <20 0x8>; @@ -219,6 +214,8 @@ }; enet1: ethernet@25000 { + #address-cells = <1>; + #size-cells = <1>; cell-index = <1>; device_type = "network"; model = "eTSEC"; diff --git a/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig b/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig index 9e47ae957e2..409d017621a 100644 --- a/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig +++ b/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig @@ -651,7 +651,7 @@ CONFIG_CICADA_PHY=y # CONFIG_NATIONAL_PHY is not set # CONFIG_STE10XP is not set # CONFIG_LSI_ET1011C_PHY is not set -# CONFIG_FIXED_PHY is not set +CONFIG_FIXED_PHY=y # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y CONFIG_MII=y diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c index 5355244c99f..60c60ccf5e3 100644 --- a/arch/powerpc/kernel/ftrace.c +++ b/arch/powerpc/kernel/ftrace.c @@ -195,8 +195,9 @@ __ftrace_make_nop(struct module *mod, return -EINVAL; } - offset = (unsigned)((unsigned short)jmp[0]) << 16 | - (unsigned)((unsigned short)jmp[1]); + /* The bottom half is signed extended */ + offset = ((unsigned)((unsigned short)jmp[0]) << 16) + + (int)((short)jmp[1]); DEBUGP(" %x ", offset); diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 19b12d2cbb4..0f418127231 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -561,8 +561,21 @@ int pci_mmap_legacy_page_range(struct pci_bus *bus, (unsigned long long)(offset + size - 1)); if (mmap_state == pci_mmap_mem) { - if ((offset + size) > hose->isa_mem_size) - return -ENXIO; + /* Hack alert ! + * + * Because X is lame and can fail starting if it gets an error trying + * to mmap legacy_mem (instead of just moving on without legacy memory + * access) we fake it here by giving it anonymous memory, effectively + * behaving just like /dev/zero + */ + if ((offset + size) > hose->isa_mem_size) { + printk(KERN_DEBUG + "Process %s (pid:%d) mapped non-existing PCI legacy memory for 0%04x:%02x\n", + current->comm, current->pid, pci_domain_nr(bus), bus->number); + if (vma->vm_flags & VM_SHARED) + return shmem_zero_setup(vma); + return 0; + } offset += hose->isa_mem_phys; } else { unsigned long io_offset = (unsigned long)hose->io_base_virt - _IO_BASE; diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 4aae0c38764..13b7d54f185 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -172,6 +172,8 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr) } break; case 0x378: /* orx */ + if (instr & 1) + break; rs = (instr >> 21) & 0x1f; rb = (instr >> 11) & 0x1f; if (rs == rb) { /* mr */ diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c index 1971e4ee3d6..ea6e41e39d9 100644 --- a/arch/powerpc/mm/fsl_booke_mmu.c +++ b/arch/powerpc/mm/fsl_booke_mmu.c @@ -73,7 +73,7 @@ extern unsigned int tlbcam_index; /* * Return PA for this VA if it is mapped by a CAM, or 0 */ -unsigned long v_mapped_by_tlbcam(unsigned long va) +phys_addr_t v_mapped_by_tlbcam(unsigned long va) { int b; for (b = 0; b < tlbcam_index; ++b) @@ -85,7 +85,7 @@ unsigned long v_mapped_by_tlbcam(unsigned long va) /* * Return VA for a given PA or 0 if not mapped */ -unsigned long p_mapped_by_tlbcam(unsigned long pa) +unsigned long p_mapped_by_tlbcam(phys_addr_t pa) { int b; for (b = 0; b < tlbcam_index; ++b) diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index 22972cd83cc..58bcaeba728 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -61,8 +61,8 @@ void setbat(int index, unsigned long virt, phys_addr_t phys, #ifdef HAVE_TLBCAM extern unsigned int tlbcam_index; -extern unsigned long v_mapped_by_tlbcam(unsigned long va); -extern unsigned long p_mapped_by_tlbcam(unsigned long pa); +extern phys_addr_t v_mapped_by_tlbcam(unsigned long va); +extern unsigned long p_mapped_by_tlbcam(phys_addr_t pa); #else /* !HAVE_TLBCAM */ #define v_mapped_by_tlbcam(x) (0UL) #define p_mapped_by_tlbcam(x) (0UL) diff --git a/arch/powerpc/oprofile/cell/spu_profiler.c b/arch/powerpc/oprofile/cell/spu_profiler.c index 9305ddaac51..b129d007e7f 100644 --- a/arch/powerpc/oprofile/cell/spu_profiler.c +++ b/arch/powerpc/oprofile/cell/spu_profiler.c @@ -16,6 +16,7 @@ #include <linux/smp.h> #include <linux/slab.h> #include <asm/cell-pmu.h> +#include <asm/time.h> #include "pr_util.h" #define SCALE_SHIFT 14 diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c index 9876d7e072f..ddf0bdc0fc8 100644 --- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c +++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c @@ -186,7 +186,7 @@ out_unmap_regs: iounmap(priv->regs); out_free_bootmem: free_bootmem((unsigned long)priv, - sizeof(sizeof(struct pq2ads_pci_pic))); + sizeof(struct pq2ads_pci_pic)); of_node_put(np); out_unmap_irq: irq_dispose_mapping(irq); diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index a623ad256e9..9b21ee68ea5 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -14,6 +14,7 @@ #include <asm/firmware.h> #include <asm/machdep.h> #include <asm/pSeries_reconfig.h> +#include <asm/sparsemem.h> static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size) { diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c index b16ca3ed65d..78f1f7cca0a 100644 --- a/arch/powerpc/sysdev/cpm2_pic.c +++ b/arch/powerpc/sysdev/cpm2_pic.c @@ -165,7 +165,7 @@ static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type) edibit = (14 - (src - CPM2_IRQ_EXT1)); else if (src >= CPM2_IRQ_PORTC15 && src <= CPM2_IRQ_PORTC0) - edibit = (31 - (src - CPM2_IRQ_PORTC15)); + edibit = (31 - (CPM2_IRQ_PORTC0 - src)); else return (flow_type & IRQ_TYPE_LEVEL_LOW) ? 0 : -EINVAL; diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index 88a983ece5c..9a89cd3e80a 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -890,7 +890,7 @@ unsigned int ipic_get_irq(void) return irq_linear_revmap(primary_ipic->irqhost, irq); } -#ifdef CONFIG_PM +#ifdef CONFIG_SUSPEND static struct { u32 sicfr; u32 siprr[2]; diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 8ffee714f93..a46c3a21e26 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -891,10 +891,35 @@ prom_tba: .xword 0 tlb_type: .word 0 /* Must NOT end up in BSS */ .section ".fixup",#alloc,#execinstr - .globl __ret_efault, __retl_efault -__ret_efault: + .globl __ret_efault, __retl_efault, __ret_one, __retl_one +ENTRY(__ret_efault) ret restore %g0, -EFAULT, %o0 -__retl_efault: +ENDPROC(__ret_efault) + +ENTRY(__retl_efault) retl mov -EFAULT, %o0 +ENDPROC(__retl_efault) + +ENTRY(__retl_one) + retl + mov 1, %o0 +ENDPROC(__retl_one) + +ENTRY(__ret_one_asi) + wr %g0, ASI_AIUS, %asi + ret + restore %g0, 1, %o0 +ENDPROC(__ret_one_asi) + +ENTRY(__retl_one_asi) + wr %g0, ASI_AIUS, %asi + retl + mov 1, %o0 +ENDPROC(__retl_one_asi) + +ENTRY(__retl_o1) + retl + mov %o1, %o0 +ENDPROC(__retl_o1) diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index 09f088ed4a6..f3577223c86 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -70,6 +70,7 @@ static void die_nmi(const char *str, struct pt_regs *regs, int do_panic) printk(" on CPU%d, ip %08lx, registers:\n", smp_processor_id(), regs->tpc); show_regs(regs); + dump_stack(); bust_spinlocks(0); diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c index 92e0dda141a..1ae8cdd7e70 100644 --- a/arch/sparc/kernel/pcr.c +++ b/arch/sparc/kernel/pcr.c @@ -133,11 +133,16 @@ int __init pcr_arch_init(void) case cheetah: case cheetah_plus: - case spitfire: pcr_ops = &direct_pcr_ops; pcr_enable = PCR_SUN4U_ENABLE; break; + case spitfire: + /* UltraSPARC-I/II and derivatives lack a profile + * counter overflow interrupt so we can't make use of + * their hardware currently. + */ + /* fallthrough */ default: err = -ENODEV; goto out_unregister; diff --git a/arch/sparc/lib/GENbzero.S b/arch/sparc/lib/GENbzero.S index 6a4f956a2f7..8e7a843ddd8 100644 --- a/arch/sparc/lib/GENbzero.S +++ b/arch/sparc/lib/GENbzero.S @@ -6,13 +6,9 @@ #define EX_ST(x,y) \ 98: x,y; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov %o1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_o1; \ .text; \ .align 4; diff --git a/arch/sparc/lib/GENcopy_from_user.S b/arch/sparc/lib/GENcopy_from_user.S index 2b9df99e87f..b7d0bd6b140 100644 --- a/arch/sparc/lib/GENcopy_from_user.S +++ b/arch/sparc/lib/GENcopy_from_user.S @@ -5,13 +5,9 @@ #define EX_LD(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_one; \ .text; \ .align 4; @@ -27,7 +23,7 @@ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ + bne,pn %icc, ___copy_in_user; \ nop #endif diff --git a/arch/sparc/lib/GENcopy_to_user.S b/arch/sparc/lib/GENcopy_to_user.S index bb3f7084daf..780550e1afc 100644 --- a/arch/sparc/lib/GENcopy_to_user.S +++ b/arch/sparc/lib/GENcopy_to_user.S @@ -5,13 +5,9 @@ #define EX_ST(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_one; \ .text; \ .align 4; @@ -31,7 +27,7 @@ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ + bne,pn %icc, ___copy_in_user; \ nop #endif diff --git a/arch/sparc/lib/NG2copy_from_user.S b/arch/sparc/lib/NG2copy_from_user.S index c77ef5f2210..119ccb9a54f 100644 --- a/arch/sparc/lib/NG2copy_from_user.S +++ b/arch/sparc/lib/NG2copy_from_user.S @@ -5,14 +5,9 @@ #define EX_LD(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: wr %g0, ASI_AIUS, %asi;\ - retl; \ - mov 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_one_asi;\ .text; \ .align 4; @@ -33,7 +28,7 @@ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ + bne,pn %icc, ___copy_in_user; \ nop #endif diff --git a/arch/sparc/lib/NG2copy_to_user.S b/arch/sparc/lib/NG2copy_to_user.S index 4bd4093acbb..7fe1ccefd9d 100644 --- a/arch/sparc/lib/NG2copy_to_user.S +++ b/arch/sparc/lib/NG2copy_to_user.S @@ -5,14 +5,9 @@ #define EX_ST(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: wr %g0, ASI_AIUS, %asi;\ - retl; \ - mov 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_one_asi;\ .text; \ .align 4; @@ -42,7 +37,7 @@ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ + bne,pn %icc, ___copy_in_user; \ nop #endif diff --git a/arch/sparc/lib/NGbzero.S b/arch/sparc/lib/NGbzero.S index 814d5f7a45e..beab29bf419 100644 --- a/arch/sparc/lib/NGbzero.S +++ b/arch/sparc/lib/NGbzero.S @@ -6,13 +6,9 @@ #define EX_ST(x,y) \ 98: x,y; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov %o1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_o1; \ .text; \ .align 4; diff --git a/arch/sparc/lib/NGcopy_from_user.S b/arch/sparc/lib/NGcopy_from_user.S index e7f433f71b4..5d1e4d1ac21 100644 --- a/arch/sparc/lib/NGcopy_from_user.S +++ b/arch/sparc/lib/NGcopy_from_user.S @@ -5,14 +5,9 @@ #define EX_LD(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: wr %g0, ASI_AIUS, %asi;\ - ret; \ - restore %g0, 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __ret_one_asi;\ .text; \ .align 4; @@ -30,7 +25,7 @@ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ + bne,pn %icc, ___copy_in_user; \ nop #endif diff --git a/arch/sparc/lib/NGcopy_to_user.S b/arch/sparc/lib/NGcopy_to_user.S index 6ea01c5532a..ff630dcb273 100644 --- a/arch/sparc/lib/NGcopy_to_user.S +++ b/arch/sparc/lib/NGcopy_to_user.S @@ -5,14 +5,9 @@ #define EX_ST(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: wr %g0, ASI_AIUS, %asi;\ - ret; \ - restore %g0, 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __ret_one_asi;\ .text; \ .align 4; @@ -33,7 +28,7 @@ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ + bne,pn %icc, ___copy_in_user; \ nop #endif diff --git a/arch/sparc/lib/U1copy_from_user.S b/arch/sparc/lib/U1copy_from_user.S index 3192b0bf4fa..a6ae2ea04bf 100644 --- a/arch/sparc/lib/U1copy_from_user.S +++ b/arch/sparc/lib/U1copy_from_user.S @@ -5,13 +5,9 @@ #define EX_LD(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_one; \ .text; \ .align 4; @@ -27,7 +23,7 @@ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ + bne,pn %icc, ___copy_in_user; \ nop; \ #include "U1memcpy.S" diff --git a/arch/sparc/lib/U1copy_to_user.S b/arch/sparc/lib/U1copy_to_user.S index d1210ffb0b8..f4b970eeb48 100644 --- a/arch/sparc/lib/U1copy_to_user.S +++ b/arch/sparc/lib/U1copy_to_user.S @@ -5,13 +5,9 @@ #define EX_ST(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_one; \ .text; \ .align 4; @@ -27,7 +23,7 @@ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ + bne,pn %icc, ___copy_in_user; \ nop; \ #include "U1memcpy.S" diff --git a/arch/sparc/lib/U3copy_from_user.S b/arch/sparc/lib/U3copy_from_user.S index f5bfc8d9d21..b1acd1331c3 100644 --- a/arch/sparc/lib/U3copy_from_user.S +++ b/arch/sparc/lib/U3copy_from_user.S @@ -5,13 +5,9 @@ #define EX_LD(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_one; \ .text; \ .align 4; diff --git a/arch/sparc/lib/U3copy_to_user.S b/arch/sparc/lib/U3copy_to_user.S index 2334f111bb0..ef1e493afdf 100644 --- a/arch/sparc/lib/U3copy_to_user.S +++ b/arch/sparc/lib/U3copy_to_user.S @@ -5,13 +5,9 @@ #define EX_ST(x) \ 98: x; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_one; \ .text; \ .align 4; @@ -27,7 +23,7 @@ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ + bne,pn %icc, ___copy_in_user; \ nop; \ #include "U3memcpy.S" diff --git a/arch/sparc/lib/bzero.S b/arch/sparc/lib/bzero.S index c7bbae8c590..b6557297440 100644 --- a/arch/sparc/lib/bzero.S +++ b/arch/sparc/lib/bzero.S @@ -88,13 +88,9 @@ __bzero_done: #define EX_ST(x,y) \ 98: x,y; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov %o1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_o1; \ .text; \ .align 4; diff --git a/arch/sparc/lib/copy_in_user.S b/arch/sparc/lib/copy_in_user.S index 650af3f21f7..302c0e60dc2 100644 --- a/arch/sparc/lib/copy_in_user.S +++ b/arch/sparc/lib/copy_in_user.S @@ -3,19 +3,16 @@ * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) */ +#include <linux/linkage.h> #include <asm/asi.h> #define XCC xcc #define EX(x,y) \ 98: x,y; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov 1, %o0; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, 99b; \ + .word 98b, __retl_one; \ .text; \ .align 4; @@ -31,18 +28,7 @@ * to copy register windows around during thread cloning. */ - .globl ___copy_in_user - .type ___copy_in_user,#function -___copy_in_user: /* %o0=dst, %o1=src, %o2=len */ - /* Writing to %asi is _expensive_ so we hardcode it. - * Reading %asi to check for KERNEL_DS is comparatively - * cheap. - */ - rd %asi, %g1 - cmp %g1, ASI_AIUS - bne,pn %icc, memcpy_user_stub - nop - +ENTRY(___copy_in_user) /* %o0=dst, %o1=src, %o2=len */ cmp %o2, 0 be,pn %XCC, 85f or %o0, %o1, %o3 @@ -53,22 +39,24 @@ ___copy_in_user: /* %o0=dst, %o1=src, %o2=len */ /* 16 < len <= 64 */ andcc %o3, 0x7, %g0 bne,pn %XCC, 90f - sub %o0, %o1, %o3 + nop andn %o2, 0x7, %o4 and %o2, 0x7, %o2 1: subcc %o4, 0x8, %o4 EX(ldxa [%o1] %asi, %o5) - EX(stxa %o5, [%o1 + %o3] ASI_AIUS) + EX(stxa %o5, [%o0] %asi) + add %o1, 0x8, %o1 bgu,pt %XCC, 1b - add %o1, 0x8, %o1 + add %o0, 0x8, %o0 andcc %o2, 0x4, %g0 be,pt %XCC, 1f nop sub %o2, 0x4, %o2 EX(lduwa [%o1] %asi, %o5) - EX(stwa %o5, [%o1 + %o3] ASI_AIUS) + EX(stwa %o5, [%o0] %asi) add %o1, 0x4, %o1 + add %o0, 0x4, %o0 1: cmp %o2, 0 be,pt %XCC, 85f nop @@ -78,14 +66,15 @@ ___copy_in_user: /* %o0=dst, %o1=src, %o2=len */ 80: /* 0 < len <= 16 */ andcc %o3, 0x3, %g0 bne,pn %XCC, 90f - sub %o0, %o1, %o3 + nop 82: subcc %o2, 4, %o2 EX(lduwa [%o1] %asi, %g1) - EX(stwa %g1, [%o1 + %o3] ASI_AIUS) + EX(stwa %g1, [%o0] %asi) + add %o1, 4, %o1 bgu,pt %XCC, 82b - add %o1, 4, %o1 + add %o0, 4, %o0 85: retl clr %o0 @@ -94,26 +83,10 @@ ___copy_in_user: /* %o0=dst, %o1=src, %o2=len */ 90: subcc %o2, 1, %o2 EX(lduba [%o1] %asi, %g1) - EX(stba %g1, [%o1 + %o3] ASI_AIUS) + EX(stba %g1, [%o0] %asi) + add %o1, 1, %o1 bgu,pt %XCC, 90b - add %o1, 1, %o1 + add %o0, 1, %o0 retl clr %o0 - - .size ___copy_in_user, .-___copy_in_user - - /* Act like copy_{to,in}_user(), ie. return zero instead - * of original destination pointer. This is invoked when - * copy_{to,in}_user() finds that %asi is kernel space. - */ - .globl memcpy_user_stub - .type memcpy_user_stub,#function -memcpy_user_stub: - save %sp, -192, %sp - mov %i0, %o0 - mov %i1, %o1 - call memcpy - mov %i2, %o2 - ret - restore %g0, %g0, %o0 - .size memcpy_user_stub, .-memcpy_user_stub +ENDPROC(___copy_in_user) diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index ba3e2ff6aed..c09a1412758 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -1402,6 +1402,7 @@ static inline int __raw_spin_is_contended(struct raw_spinlock *lock) { return PVOP_CALL1(int, pv_lock_ops.spin_is_contended, lock); } +#define __raw_spin_is_contended __raw_spin_is_contended static __always_inline void __raw_spin_lock(struct raw_spinlock *lock) |