diff options
Diffstat (limited to 'arch/ia64/kernel')
| -rw-r--r-- | arch/ia64/kernel/cpufreq/acpi-cpufreq.c | 6 | ||||
| -rw-r--r-- | arch/ia64/kernel/irq.c | 5 | ||||
| -rw-r--r-- | arch/ia64/kernel/mca.c | 34 | ||||
| -rw-r--r-- | arch/ia64/kernel/process.c | 10 | ||||
| -rw-r--r-- | arch/ia64/kernel/ptrace.c | 10 | ||||
| -rw-r--r-- | arch/ia64/kernel/setup.c | 7 | ||||
| -rw-r--r-- | arch/ia64/kernel/vmlinux.lds.S | 12 |
7 files changed, 54 insertions, 30 deletions
diff --git a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c index 15c08d5..8c6ec70 100644 --- a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c +++ b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c @@ -113,10 +113,8 @@ processor_get_freq ( saved_mask = current->cpus_allowed; set_cpus_allowed(current, cpumask_of_cpu(cpu)); - if (smp_processor_id() != cpu) { - ret = -EAGAIN; + if (smp_processor_id() != cpu) goto migrate_end; - } /* processor_get_pstate gets the instantaneous frequency */ ret = processor_get_pstate(&value); @@ -125,7 +123,7 @@ processor_get_freq ( set_cpus_allowed(current, saved_mask); printk(KERN_WARNING "get performance failed with error %d\n", ret); - ret = -EAGAIN; + ret = 0; goto migrate_end; } clock_freq = extract_clock(data, value, cpu); diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c index cc3ee4e..44be1c95 100644 --- a/arch/ia64/kernel/irq.c +++ b/arch/ia64/kernel/irq.c @@ -33,6 +33,11 @@ void ack_bad_irq(unsigned int irq) } #ifdef CONFIG_IA64_GENERIC +ia64_vector __ia64_irq_to_vector(int irq) +{ + return irq_cfg[irq].vector; +} + unsigned int __ia64_local_vector_to_irq (ia64_vector vec) { return __get_cpu_var(vector_irq)[vec]; diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index ff28620..63b73f3 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -2018,22 +2018,26 @@ ia64_mca_late_init(void) if (cpe_vector >= 0) { /* If platform supports CPEI, enable the irq. */ - cpe_poll_enabled = 0; - for (irq = 0; irq < NR_IRQS; ++irq) - if (irq_to_vector(irq) == cpe_vector) { - desc = irq_desc + irq; - desc->status |= IRQ_PER_CPU; - setup_irq(irq, &mca_cpe_irqaction); - ia64_cpe_irq = irq; - } - ia64_mca_register_cpev(cpe_vector); - IA64_MCA_DEBUG("%s: CPEI/P setup and enabled.\n", __FUNCTION__); - } else { - /* If platform doesn't support CPEI, get the timer going. */ - if (cpe_poll_enabled) { - ia64_mca_cpe_poll(0UL); - IA64_MCA_DEBUG("%s: CPEP setup and enabled.\n", __FUNCTION__); + irq = local_vector_to_irq(cpe_vector); + if (irq > 0) { + cpe_poll_enabled = 0; + desc = irq_desc + irq; + desc->status |= IRQ_PER_CPU; + setup_irq(irq, &mca_cpe_irqaction); + ia64_cpe_irq = irq; + ia64_mca_register_cpev(cpe_vector); + IA64_MCA_DEBUG("%s: CPEI/P setup and enabled.\n", + __FUNCTION__); + return 0; } + printk(KERN_ERR "%s: Failed to find irq for CPE " + "interrupt handler, vector %d\n", + __FUNCTION__, cpe_vector); + } + /* If platform doesn't support CPEI, get the timer going. */ + if (cpe_poll_enabled) { + ia64_mca_cpe_poll(0UL); + IA64_MCA_DEBUG("%s: CPEP setup and enabled.\n", __FUNCTION__); } } #endif diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 4158906..c613fc0 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -198,9 +198,13 @@ default_idle (void) { local_irq_enable(); while (!need_resched()) { - if (can_do_pal_halt) - safe_halt(); - else + if (can_do_pal_halt) { + local_irq_disable(); + if (!need_resched()) { + safe_halt(); + } + local_irq_enable(); + } else cpu_relax(); } } diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 00f8032..122444a 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -951,10 +951,14 @@ access_uarea (struct task_struct *child, unsigned long addr, return 0; case PT_CR_IPSR: - if (write_access) - pt->cr_ipsr = ((*data & IPSR_MASK) + if (write_access) { + unsigned long tmp = *data; + /* psr.ri==3 is a reserved value: SDM 2:25 */ + if ((tmp & IA64_PSR_RI) == IA64_PSR_RI) + tmp &= ~IA64_PSR_RI; + pt->cr_ipsr = ((tmp & IPSR_MASK) | (pt->cr_ipsr & ~IPSR_MASK)); - else + } else *data = (pt->cr_ipsr & IPSR_MASK); return 0; diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index cd9a37a..407efea 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -389,6 +389,13 @@ early_console_setup (char *cmdline) if (!efi_setup_pcdp_console(cmdline)) earlycons++; #endif +#ifdef CONFIG_HP_SIMSERIAL_CONSOLE + { + extern struct console hpsim_cons; + register_console(&hpsim_cons); + earlycons++; + } +#endif return (earlycons) ? 0 : -1; } diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 83e8067..00232b4 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -20,6 +20,8 @@ PHDRS { code PT_LOAD; percpu PT_LOAD; data PT_LOAD; + note PT_NOTE; + unwind 0x70000001; /* PT_IA_64_UNWIND, but ld doesn't match the name */ } SECTIONS { @@ -62,6 +64,9 @@ SECTIONS /* Read-only data */ + NOTES :code :note /* put .notes in text and mark in PT_NOTE */ + code_continues : {} :code /* switch back to regular program... */ + /* Exception table */ . = ALIGN(16); __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) @@ -99,7 +104,8 @@ SECTIONS __start_unwind = .; *(.IA_64.unwind*) __end_unwind = .; - } + } :code :unwind + code_continues2 : {} : code RODATA @@ -276,10 +282,6 @@ SECTIONS .debug_typenames 0 : { *(.debug_typenames) } .debug_varnames 0 : { *(.debug_varnames) } /* These must appear regardless of . */ - /* Discard them for now since Intel SoftSDV cannot handle them. - .comment 0 : { *(.comment) } - .note 0 : { *(.note) } - */ /DISCARD/ : { *(.comment) } /DISCARD/ : { *(.note) } } |