diff options
Diffstat (limited to 'arch')
30 files changed, 103 insertions, 30 deletions
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index 3dba666151d..ecec2f85c4c 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -165,7 +165,7 @@ static void __init gic_init_irq(void) #endif gic_dist_init(0, __io_address(REALVIEW_GIC_DIST_BASE), 29); gic_cpu_init(0, __io_address(REALVIEW_GIC_CPU_BASE)); -#ifdef CONFIG_REALVIEW_MPCORE +#if defined(CONFIG_REALVIEW_MPCORE) && !defined(CONFIG_REALVIEW_MPCORE_REVB) gic_dist_init(1, __io_address(REALVIEW_GIC1_DIST_BASE), 64); gic_cpu_init(1, __io_address(REALVIEW_GIC1_CPU_BASE)); gic_cascade_irq(1, IRQ_EB_IRQ1); diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 04ddab2bd87..eea3f50743d 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -323,6 +323,7 @@ static int __init vfp_init(void) * we just need to read the VFPSID register. */ vfp_vector = vfp_testing_entry; + barrier(); vfpsid = fmrx(FPSID); barrier(); vfp_vector = vfp_null_entry; diff --git a/arch/h8300/Kconfig.debug b/arch/h8300/Kconfig.debug index 554efe604a0..996d97e953b 100644 --- a/arch/h8300/Kconfig.debug +++ b/arch/h8300/Kconfig.debug @@ -59,7 +59,7 @@ config BLKDEV_RESERVE help Reserved BLKDEV area. -config CONFIG_BLKDEV_RESERVE_ADDRESS +config BLKDEV_RESERVE_ADDRESS hex 'start address' depends on BLKDEV_RESERVE help diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c index d5a456d27d8..db6c25aa577 100644 --- a/arch/i386/kernel/cpu/intel_cacheinfo.c +++ b/arch/i386/kernel/cpu/intel_cacheinfo.c @@ -515,7 +515,7 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu) cpuid4_info[cpu] = kzalloc( sizeof(struct _cpuid4_info) * num_cache_leaves, GFP_KERNEL); - if (unlikely(cpuid4_info[cpu] == NULL)) + if (cpuid4_info[cpu] == NULL) return -ENOMEM; oldmask = current->cpus_allowed; @@ -748,6 +748,8 @@ static void __cpuinit cache_remove_dev(struct sys_device * sys_dev) unsigned int cpu = sys_dev->id; unsigned long i; + if (cpuid4_info[cpu] == NULL) + return; for (i = 0; i < num_cache_leaves; i++) { cache_remove_shared_cpu_map(cpu, i); kobject_unregister(&(INDEX_KOBJECT_PTR(cpu,i)->kobj)); diff --git a/arch/i386/mach-generic/Makefile b/arch/i386/mach-generic/Makefile index 77fbc9f64fb..6914485c0d8 100644 --- a/arch/i386/mach-generic/Makefile +++ b/arch/i386/mach-generic/Makefile @@ -2,6 +2,6 @@ # Makefile for the generic architecture # -EXTRA_CFLAGS += -I../kernel +EXTRA_CFLAGS := -Iarch/i386/kernel obj-y := probe.o summit.o bigsmp.o es7000.o default.o ../mach-es7000/ diff --git a/arch/i386/mach-voyager/Makefile b/arch/i386/mach-voyager/Makefile index f24d2965131..33b74cf0dd2 100644 --- a/arch/i386/mach-voyager/Makefile +++ b/arch/i386/mach-voyager/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel. # -EXTRA_CFLAGS += -I../kernel +EXTRA_CFLAGS := -Iarch/i386/kernel obj-y := setup.o voyager_basic.o voyager_thread.o obj-$(CONFIG_SMP) += voyager_smp.o voyager_cat.o diff --git a/arch/i386/mm/highmem.c b/arch/i386/mm/highmem.c index ad8d86cc683..1c3bf95f735 100644 --- a/arch/i386/mm/highmem.c +++ b/arch/i386/mm/highmem.c @@ -34,17 +34,16 @@ void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot) /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */ pagefault_disable(); - idx = type + KM_TYPE_NR*smp_processor_id(); - BUG_ON(!pte_none(*(kmap_pte-idx))); - if (!PageHighMem(page)) return page_address(page); + idx = type + KM_TYPE_NR*smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); + BUG_ON(!pte_none(*(kmap_pte-idx))); set_pte(kmap_pte-idx, mk_pte(page, prot)); arch_flush_lazy_mmu_mode(); - return (void*) vaddr; + return (void *)vaddr; } void *kmap_atomic(struct page *page, enum km_type type) diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c index 665db063a40..8434f2323b8 100644 --- a/arch/i386/pci/irq.c +++ b/arch/i386/pci/irq.c @@ -550,6 +550,7 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route case PCI_DEVICE_ID_INTEL_ICH9_3: case PCI_DEVICE_ID_INTEL_ICH9_4: case PCI_DEVICE_ID_INTEL_ICH9_5: + case PCI_DEVICE_ID_INTEL_TOLAPAI_0: r->name = "PIIX/ICH"; r->get = pirq_piix_get; r->set = pirq_piix_set; diff --git a/arch/i386/pci/pcbios.c b/arch/i386/pci/pcbios.c index 5f5193401be..10ac8c316c4 100644 --- a/arch/i386/pci/pcbios.c +++ b/arch/i386/pci/pcbios.c @@ -412,7 +412,7 @@ struct irq_routing_options { u16 segment; } __attribute__((packed)); -struct irq_routing_table * __devinit pcibios_get_irq_routing_table(void) +struct irq_routing_table * pcibios_get_irq_routing_table(void) { struct irq_routing_options opt; struct irq_routing_table *rt = NULL; diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index e162ee685d2..918f5dbeaef 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -735,4 +735,14 @@ sys_call_table: .long sys_tee .long sys_vmsplice .long sys_move_pages /* 310 */ + .long sys_sched_setaffinity + .long sys_sched_getaffinity + .long sys_kexec_load + .long sys_getcpu + .long sys_epoll_pwait /* 315 */ + .long sys_utimensat + .long sys_signalfd + .long sys_timerfd + .long sys_eventfd + .long sys_fallocate /* 320 */ diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S index 4603f4f3c93..9620093514b 100644 --- a/arch/m68knommu/kernel/syscalltable.S +++ b/arch/m68knommu/kernel/syscalltable.S @@ -329,6 +329,16 @@ ENTRY(sys_call_table) .long sys_tee .long sys_vmsplice .long sys_move_pages /* 310 */ + .long sys_sched_setaffinity + .long sys_sched_getaffinity + .long sys_kexec_load + .long sys_getcpu + .long sys_epoll_pwait /* 315 */ + .long sys_utimensat + .long sys_signalfd + .long sys_timerfd + .long sys_eventfd + .long sys_fallocate /* 320 */ .rept NR_syscalls-(.-sys_call_table)/4 .long sys_ni_syscall diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 06448a9656d..3e004161ebd 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -199,7 +199,14 @@ static inline void check_wait(void) if ((c->processor_id & 0xff) <= 0x64) break; - cpu_wait = r4k_wait; + /* + * Another rev is incremeting c0_count at a reduced clock + * rate while in WAIT mode. So we basically have the choice + * between using the cp0 timer as clocksource or avoiding + * the WAIT instruction. Until more details are known, + * disable the use of WAIT for 20Kc entirely. + cpu_wait = r4k_wait; + */ break; case CPU_RM9000: if ((c->processor_id & 0x00ff) >= 0x40) diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index aab89e97abb..1ba00c15505 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -56,8 +56,6 @@ static struct chan_waitqueues { struct mutex mutex; } channel_wqs[RTLX_CHANNELS]; -static struct irqaction irq; -static int irq_num; static struct vpe_notifications notify; static int sp_stopping = 0; @@ -111,7 +109,7 @@ static void __used dump_rtlx(void) static int rtlx_init(struct rtlx_info *rtlxi) { if (rtlxi->id != RTLX_ID) { - printk(KERN_ERR "no valid RTLX id at 0x%p 0x%x\n", rtlxi, rtlxi->id); + printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n", rtlxi, rtlxi->id); return -ENOEXEC; } diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 53d7a977193..118be24224f 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -375,7 +375,7 @@ EXPORT(sysn32_call_table) PTR sys_mkdirat PTR sys_mknodat PTR sys_fchownat - PTR sys_futimesat /* 6255 */ + PTR compat_sys_futimesat /* 6255 */ PTR sys_newfstatat PTR sys_unlinkat PTR sys_renameat diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index d48d1d5bea0..9a5596bf857 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/sched.h> #include <linux/param.h> +#include <linux/profile.h> #include <linux/time.h> #include <linux/timex.h> #include <linux/smp.h> diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c index 97aeb8c4e60..b73f21823c5 100644 --- a/arch/mips/mips-boards/malta/malta_int.c +++ b/arch/mips/mips-boards/malta/malta_int.c @@ -256,7 +256,7 @@ asmlinkage void plat_irq_dispatch(void) if (irq == MIPSCPU_INT_I8259A) malta_hw0_irqdispatch(); - else if (irq > 0) + else if (irq >= 0) do_IRQ(MIPS_CPU_IRQ_BASE + irq); else spurious_interrupt(); diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 09d91505b90..5240432e6d1 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -8,6 +8,7 @@ * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. */ +#include <linux/bug.h> #include <linux/init.h> #include <linux/module.h> #include <linux/signal.h> @@ -132,6 +133,8 @@ void *kmap_coherent(struct page *page, unsigned long addr) pte_t pte; int tlbidx; + BUG_ON(Page_dcache_dirty(page)); + inc_preempt_count(); idx = (addr >> PAGE_SHIFT) & (FIX_N_COLOURS - 1); #ifdef CONFIG_MIPS_MT_SMTC @@ -208,7 +211,7 @@ void copy_user_highpage(struct page *to, struct page *from, void *vfrom, *vto; vto = kmap_atomic(to, KM_USER1); - if (cpu_has_dc_aliases) { + if (cpu_has_dc_aliases && !Page_dcache_dirty(from)) { vfrom = kmap_coherent(from, vaddr); copy_page(vto, vfrom); kunmap_coherent(); diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 9cb39644b6f..6c425b05244 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -58,6 +58,21 @@ static __init int __maybe_unused r10000_llsc_war(void) } /* + * Found by experiment: At least some revisions of the 4kc throw under + * some circumstances a machine check exception, triggered by invalid + * values in the index register. Delaying the tlbp instruction until + * after the next branch, plus adding an additional nop in front of + * tlbwi/tlbwr avoids the invalid index register values. Nobody knows + * why; it's not an issue caused by the core RTL. + * + */ +static __init int __attribute__((unused)) m4kc_tlbp_war(void) +{ + return (current_cpu_data.processor_id & 0xffff00) == + (PRID_COMP_MIPS | PRID_IMP_4KC); +} + +/* * A little micro-assembler, intended for TLB refill handler * synthesizing. It is intentionally kept simple, does only support * a subset of instructions, and does not try to hide pipeline effects @@ -894,6 +909,8 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l, case CPU_20KC: case CPU_25KF: case CPU_LOONGSON2: + if (m4kc_tlbp_war()) + i_nop(p); tlbw(p); break; @@ -1705,7 +1722,8 @@ build_r4000_tlbchange_handler_head(u32 **p, struct label **l, l_smp_pgtable_change(l, *p); # endif iPTE_LW(p, l, pte, ptr); /* get even pte */ - build_tlb_probe_entry(p); + if (!m4kc_tlbp_war()) + build_tlb_probe_entry(p); } static void __init @@ -1747,6 +1765,8 @@ static void __init build_r4000_tlb_load_handler(void) build_r4000_tlbchange_handler_head(&p, &l, &r, K0, K1); build_pte_present(&p, &l, &r, K0, K1, label_nopage_tlbl); + if (m4kc_tlbp_war()) + build_tlb_probe_entry(&p); build_make_valid(&p, &r, K0, K1); build_r4000_tlbchange_handler_tail(&p, &l, &r, K0, K1); @@ -1781,6 +1801,8 @@ static void __init build_r4000_tlb_store_handler(void) build_r4000_tlbchange_handler_head(&p, &l, &r, K0, K1); build_pte_writable(&p, &l, &r, K0, K1, label_nopage_tlbs); + if (m4kc_tlbp_war()) + build_tlb_probe_entry(&p); build_make_write(&p, &r, K0, K1); build_r4000_tlbchange_handler_tail(&p, &l, &r, K0, K1); @@ -1815,6 +1837,8 @@ static void __init build_r4000_tlb_modify_handler(void) build_r4000_tlbchange_handler_head(&p, &l, &r, K0, K1); build_pte_modifiable(&p, &l, &r, K0, K1, label_nopage_tlbm); + if (m4kc_tlbp_war()) + build_tlb_probe_entry(&p); /* Present and writable bits set, set accessed and dirty bits. */ build_make_write(&p, &r, K0, K1); build_r4000_tlbchange_handler_tail(&p, &l, &r, K0, K1); diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c index 78b608d2d4e..28ffec8e5d1 100644 --- a/arch/mips/sgi-ip22/ip22-platform.c +++ b/arch/mips/sgi-ip22/ip22-platform.c @@ -150,8 +150,8 @@ static int __init sgiseeq_devinit(void) return res; /* Second HPC is missing? */ - if (ip22_is_fullhouse() || - !get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1])) + if (!ip22_is_fullhouse() || + get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1])) return 0; sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 | diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c index 8e88a442b22..de3d01823ad 100644 --- a/arch/mips/sgi-ip22/ip22-time.c +++ b/arch/mips/sgi-ip22/ip22-time.c @@ -114,8 +114,8 @@ static unsigned long dosample(void) } while (msb); /* Stop the counter. */ - writeb(sgint->tcword, (SGINT_TCWORD_CNT2 | SGINT_TCWORD_CALL | - SGINT_TCWORD_MSWST)); + writeb(SGINT_TCWORD_CNT2 | SGINT_TCWORD_CALL | SGINT_TCWORD_MSWST, + &sgint->tcword); /* * Return the difference, this is how far the r4k counter increments * for every 1/HZ seconds. We round off the nearest 1 MHz of master diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index cea8045ba40..90fa11c72e1 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -493,7 +493,7 @@ static int __init serial_dev_init(void) return platform_device_register(&serial_device); } -arch_initcall(serial_dev_init); +device_initcall(serial_dev_init); /* diff --git a/arch/powerpc/platforms/85xx/mpc8544_ds.c b/arch/powerpc/platforms/85xx/mpc8544_ds.c index 0f834d8be44..48983bc56d4 100644 --- a/arch/powerpc/platforms/85xx/mpc8544_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8544_ds.c @@ -178,7 +178,9 @@ define_machine(mpc8544_ds) { .probe = mpc8544_ds_probe, .setup_arch = mpc8544_ds_setup_arch, .init_IRQ = mpc8544_ds_pic_init, +#ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif .get_irq = mpic_get_irq, .restart = mpc85xx_restart, .calibrate_decr = generic_calibrate_decr, diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 6a171e9abf7..2d4cb784760 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -351,10 +351,10 @@ define_machine(mpc85xx_cds) { .get_irq = mpic_get_irq, #ifdef CONFIG_PCI .restart = mpc85xx_cds_restart, + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, #else .restart = mpc85xx_restart, #endif .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, - .pcibios_fixup_bus = fsl_pcibios_fixup_bus, }; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index be25ecd911b..7ca7e676f1c 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -207,5 +207,7 @@ define_machine(mpc85xx_mds) { .restart = mpc85xx_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, +#ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif }; diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index 56b27caf7a2..47aafa76c93 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -250,5 +250,7 @@ define_machine(mpc86xx_hpcn) { .time_init = mpc86xx_time_init, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, +#ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif }; diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index cfc24974159..19d4628edf7 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -285,6 +285,7 @@ config AXON_RAM config FSL_ULI1575 bool default n + select GENERIC_ISA_DMA help Supports for the ULI1575 PCIe south bridge that exists on some Freescale reference boards. The boards all use the ULI in pretty diff --git a/arch/powerpc/sysdev/cpm2_common.c b/arch/powerpc/sysdev/cpm2_common.c index 92441297479..c827715a509 100644 --- a/arch/powerpc/sysdev/cpm2_common.c +++ b/arch/powerpc/sysdev/cpm2_common.c @@ -102,7 +102,7 @@ cpm_setbrg(uint brg, uint rate) brg -= 4; } bp += brg; - *bp = ((BRG_UART_CLK / rate) << 1) | CPM_BRG_EN; + out_be32(bp, (((BRG_UART_CLK / rate) - 1) << 1) | CPM_BRG_EN); cpm2_unmap(bp); } diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S index 944c35c2427..eb8d26f8736 100644 --- a/arch/ppc/kernel/head_8xx.S +++ b/arch/ppc/kernel/head_8xx.S @@ -495,9 +495,7 @@ LoadLargeDTLB: lwz r11, 4(r0) lwz r12, 16(r0) -#ifdef CONFIG_8xx_CPU6 lwz r3, 8(r0) -#endif rfi /* This is the data TLB error on the MPC8xx. This could be due to diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 139b4cff801..e8dac81d8a0 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -744,7 +744,7 @@ static void __devinit pci_of_scan_bus(struct pci_pbm_info *pbm, { struct device_node *child; const u32 *reg; - int reglen, devfn; + int reglen, devfn, prev_devfn; struct pci_dev *dev; if (ofpci_verbose) @@ -752,14 +752,25 @@ static void __devinit pci_of_scan_bus(struct pci_pbm_info *pbm, node->full_name, bus->number); child = NULL; + prev_devfn = -1; while ((child = of_get_next_child(node, child)) != NULL) { if (ofpci_verbose) printk(" * %s\n", child->full_name); reg = of_get_property(child, "reg", ®len); if (reg == NULL || reglen < 20) continue; + devfn = (reg[0] >> 8) & 0xff; + /* This is a workaround for some device trees + * which list PCI devices twice. On the V100 + * for example, device number 3 is listed twice. + * Once as "pm" and once again as "lomp". + */ + if (devfn == prev_devfn) + continue; + prev_devfn = devfn; + /* create a new pci_dev for this device */ dev = of_create_pci_dev(pbm, child, bus, devfn, 0); if (!dev) diff --git a/arch/x86_64/vdso/vclock_gettime.c b/arch/x86_64/vdso/vclock_gettime.c index 17f6a00de71..5b54cdfb2b0 100644 --- a/arch/x86_64/vdso/vclock_gettime.c +++ b/arch/x86_64/vdso/vclock_gettime.c @@ -34,10 +34,11 @@ static long vdso_fallback_gettime(long clock, struct timespec *ts) static inline long vgetns(void) { + long v; cycles_t (*vread)(void); vread = gtod->clock.vread; - return ((vread() - gtod->clock.cycle_last) * gtod->clock.mult) >> - gtod->clock.shift; + v = (vread() - gtod->clock.cycle_last) & gtod->clock.mask; + return (v * gtod->clock.mult) >> gtod->clock.shift; } static noinline int do_realtime(struct timespec *ts) |