diff options
Diffstat (limited to 'arch/alpha/kernel')
-rw-r--r-- | arch/alpha/kernel/io.c | 14 | ||||
-rw-r--r-- | arch/alpha/kernel/osf_sys.c | 11 | ||||
-rw-r--r-- | arch/alpha/kernel/pci-noop.c | 33 | ||||
-rw-r--r-- | arch/alpha/kernel/pci_iommu.c | 4 | ||||
-rw-r--r-- | arch/alpha/kernel/signal.c | 20 | ||||
-rw-r--r-- | arch/alpha/kernel/traps.c | 79 |
6 files changed, 36 insertions, 125 deletions
diff --git a/arch/alpha/kernel/io.c b/arch/alpha/kernel/io.c index 3e3d49c254c52..c025a3e5e3578 100644 --- a/arch/alpha/kernel/io.c +++ b/arch/alpha/kernel/io.c @@ -37,20 +37,20 @@ unsigned int ioread32(void __iomem *addr) void iowrite8(u8 b, void __iomem *addr) { - IO_CONCAT(__IO_PREFIX,iowrite8)(b, addr); mb(); + IO_CONCAT(__IO_PREFIX,iowrite8)(b, addr); } void iowrite16(u16 b, void __iomem *addr) { - IO_CONCAT(__IO_PREFIX,iowrite16)(b, addr); mb(); + IO_CONCAT(__IO_PREFIX,iowrite16)(b, addr); } void iowrite32(u32 b, void __iomem *addr) { - IO_CONCAT(__IO_PREFIX,iowrite32)(b, addr); mb(); + IO_CONCAT(__IO_PREFIX,iowrite32)(b, addr); } EXPORT_SYMBOL(ioread8); @@ -176,26 +176,26 @@ u64 readq(const volatile void __iomem *addr) void writeb(u8 b, volatile void __iomem *addr) { - __raw_writeb(b, addr); mb(); + __raw_writeb(b, addr); } void writew(u16 b, volatile void __iomem *addr) { - __raw_writew(b, addr); mb(); + __raw_writew(b, addr); } void writel(u32 b, volatile void __iomem *addr) { - __raw_writel(b, addr); mb(); + __raw_writel(b, addr); } void writeq(u64 b, volatile void __iomem *addr) { - __raw_writeq(b, addr); mb(); + __raw_writeq(b, addr); } EXPORT_SYMBOL(readb); diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 89faa6f4de473..6e921754c8fc7 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -871,8 +871,7 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, send a signal. Old exceptions are not signaled. */ fex = (exc >> IEEE_STATUS_TO_EXCSUM_SHIFT) & swcr; if (fex) { - siginfo_t info; - int si_code = 0; + int si_code = FPE_FLTUNK; if (fex & IEEE_TRAP_ENABLE_DNO) si_code = FPE_FLTUND; if (fex & IEEE_TRAP_ENABLE_INE) si_code = FPE_FLTRES; @@ -881,11 +880,9 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer, if (fex & IEEE_TRAP_ENABLE_DZE) si_code = FPE_FLTDIV; if (fex & IEEE_TRAP_ENABLE_INV) si_code = FPE_FLTINV; - info.si_signo = SIGFPE; - info.si_errno = 0; - info.si_code = si_code; - info.si_addr = NULL; /* FIXME */ - send_sig_info(SIGFPE, &info, current); + send_sig_fault(SIGFPE, si_code, + (void __user *)NULL, /* FIXME */ + 0, current); } return 0; } diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c index b6ebb65127a80..c7c5879869d35 100644 --- a/arch/alpha/kernel/pci-noop.c +++ b/arch/alpha/kernel/pci-noop.c @@ -102,36 +102,3 @@ SYSCALL_DEFINE5(pciconfig_write, unsigned long, bus, unsigned long, dfn, else return -ENODEV; } - -static void *alpha_noop_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp, - unsigned long attrs) -{ - void *ret; - - if (!dev || *dev->dma_mask >= 0xffffffffUL) - gfp &= ~GFP_DMA; - ret = (void *)__get_free_pages(gfp, get_order(size)); - if (ret) { - memset(ret, 0, size); - *dma_handle = virt_to_phys(ret); - } - return ret; -} - -static int alpha_noop_supported(struct device *dev, u64 mask) -{ - return mask < 0x00ffffffUL ? 0 : 1; -} - -const struct dma_map_ops alpha_noop_ops = { - .alloc = alpha_noop_alloc_coherent, - .free = dma_noop_free_coherent, - .map_page = dma_noop_map_page, - .map_sg = dma_noop_map_sg, - .mapping_error = dma_noop_mapping_error, - .dma_supported = alpha_noop_supported, -}; - -const struct dma_map_ops *dma_ops = &alpha_noop_ops; -EXPORT_SYMBOL(dma_ops); diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 83b34b9188ea1..6923b0d9c1e19 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -950,6 +950,4 @@ const struct dma_map_ops alpha_pci_ops = { .mapping_error = alpha_pci_mapping_error, .dma_supported = alpha_pci_supported, }; - -const struct dma_map_ops *dma_ops = &alpha_pci_ops; -EXPORT_SYMBOL(dma_ops); +EXPORT_SYMBOL(alpha_pci_ops); diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index 9ebb3bcbc626b..8c0c4ee0be6ed 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -219,14 +219,8 @@ do_sigreturn(struct sigcontext __user *sc) /* Send SIGTRAP if we're single-stepping: */ if (ptrace_cancel_bpt (current)) { - siginfo_t info; - - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_BRKPT; - info.si_addr = (void __user *) regs->pc; - info.si_trapno = 0; - send_sig_info(SIGTRAP, &info, current); + send_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *) regs->pc, 0, + current); } return; @@ -253,14 +247,8 @@ do_rt_sigreturn(struct rt_sigframe __user *frame) /* Send SIGTRAP if we're single-stepping: */ if (ptrace_cancel_bpt (current)) { - siginfo_t info; - - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_BRKPT; - info.si_addr = (void __user *) regs->pc; - info.si_trapno = 0; - send_sig_info(SIGTRAP, &info, current); + send_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *) regs->pc, 0, + current); } return; diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index f43bd05dede26..bc9627698796e 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -213,7 +213,6 @@ do_entArith(unsigned long summary, unsigned long write_mask, struct pt_regs *regs) { long si_code = FPE_FLTINV; - siginfo_t info; if (summary & 1) { /* Software-completion summary bit is set, so try to @@ -228,17 +227,12 @@ do_entArith(unsigned long summary, unsigned long write_mask, } die_if_kernel("Arithmetic fault", regs, 0, NULL); - info.si_signo = SIGFPE; - info.si_errno = 0; - info.si_code = si_code; - info.si_addr = (void __user *) regs->pc; - send_sig_info(SIGFPE, &info, current); + send_sig_fault(SIGFPE, si_code, (void __user *) regs->pc, 0, current); } asmlinkage void do_entIF(unsigned long type, struct pt_regs *regs) { - siginfo_t info; int signo, code; if ((regs->ps & ~IPL_MAX) == 0) { @@ -270,31 +264,20 @@ do_entIF(unsigned long type, struct pt_regs *regs) switch (type) { case 0: /* breakpoint */ - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_BRKPT; - info.si_trapno = 0; - info.si_addr = (void __user *) regs->pc; - if (ptrace_cancel_bpt(current)) { regs->pc -= 4; /* make pc point to former bpt */ } - send_sig_info(SIGTRAP, &info, current); + send_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)regs->pc, 0, + current); return; case 1: /* bugcheck */ - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_FIXME; - info.si_addr = (void __user *) regs->pc; - info.si_trapno = 0; - send_sig_info(SIGTRAP, &info, current); + send_sig_fault(SIGTRAP, TRAP_UNK, (void __user *) regs->pc, 0, + current); return; case 2: /* gentrap */ - info.si_addr = (void __user *) regs->pc; - info.si_trapno = regs->r16; switch ((long) regs->r16) { case GEN_INTOVF: signo = SIGFPE; @@ -326,7 +309,7 @@ do_entIF(unsigned long type, struct pt_regs *regs) break; case GEN_ROPRAND: signo = SIGFPE; - code = FPE_FIXME; + code = FPE_FLTUNK; break; case GEN_DECOVF: @@ -348,15 +331,12 @@ do_entIF(unsigned long type, struct pt_regs *regs) case GEN_SUBRNG7: default: signo = SIGTRAP; - code = TRAP_FIXME; + code = TRAP_UNK; break; } - info.si_signo = signo; - info.si_errno = 0; - info.si_code = code; - info.si_addr = (void __user *) regs->pc; - send_sig_info(signo, &info, current); + send_sig_fault(signo, code, (void __user *) regs->pc, regs->r16, + current); return; case 4: /* opDEC */ @@ -380,11 +360,9 @@ do_entIF(unsigned long type, struct pt_regs *regs) if (si_code == 0) return; if (si_code > 0) { - info.si_signo = SIGFPE; - info.si_errno = 0; - info.si_code = si_code; - info.si_addr = (void __user *) regs->pc; - send_sig_info(SIGFPE, &info, current); + send_sig_fault(SIGFPE, si_code, + (void __user *) regs->pc, 0, + current); return; } } @@ -409,11 +387,7 @@ do_entIF(unsigned long type, struct pt_regs *regs) ; } - info.si_signo = SIGILL; - info.si_errno = 0; - info.si_code = ILL_ILLOPC; - info.si_addr = (void __user *) regs->pc; - send_sig_info(SIGILL, &info, current); + send_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)regs->pc, 0, current); } /* There is an ifdef in the PALcode in MILO that enables a @@ -426,15 +400,9 @@ do_entIF(unsigned long type, struct pt_regs *regs) asmlinkage void do_entDbg(struct pt_regs *regs) { - siginfo_t info; - die_if_kernel("Instruction fault", regs, 0, NULL); - info.si_signo = SIGILL; - info.si_errno = 0; - info.si_code = ILL_ILLOPC; - info.si_addr = (void __user *) regs->pc; - force_sig_info(SIGILL, &info, current); + force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)regs->pc, 0, current); } @@ -758,7 +726,7 @@ do_entUnaUser(void __user * va, unsigned long opcode, unsigned long tmp1, tmp2, tmp3, tmp4; unsigned long fake_reg, *reg_addr = &fake_reg; - siginfo_t info; + int si_code; long error; /* Check the UAC bits to decide what the user wants us to do @@ -981,34 +949,27 @@ do_entUnaUser(void __user * va, unsigned long opcode, give_sigsegv: regs->pc -= 4; /* make pc point to faulting insn */ - info.si_signo = SIGSEGV; - info.si_errno = 0; /* We need to replicate some of the logic in mm/fault.c, since we don't have access to the fault code in the exception handling return path. */ if ((unsigned long)va >= TASK_SIZE) - info.si_code = SEGV_ACCERR; + si_code = SEGV_ACCERR; else { struct mm_struct *mm = current->mm; down_read(&mm->mmap_sem); if (find_vma(mm, (unsigned long)va)) - info.si_code = SEGV_ACCERR; + si_code = SEGV_ACCERR; else - info.si_code = SEGV_MAPERR; + si_code = SEGV_MAPERR; up_read(&mm->mmap_sem); } - info.si_addr = va; - send_sig_info(SIGSEGV, &info, current); + send_sig_fault(SIGSEGV, si_code, va, 0, current); return; give_sigbus: regs->pc -= 4; - info.si_signo = SIGBUS; - info.si_errno = 0; - info.si_code = BUS_ADRALN; - info.si_addr = va; - send_sig_info(SIGBUS, &info, current); + send_sig_fault(SIGBUS, BUS_ADRALN, va, 0, current); return; } |