Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab...
authorLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 22 May 2007 23:47:51 +0000 (16:47 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 22 May 2007 23:47:51 +0000 (16:47 -0700)
* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
  V4L/DVB (5691): Ov7670: reset clkrc in rgb565 mode
  V4L/DVB (5690): Cafe_ccic: Properly power down the sensor
  V4L/DVB (5680): Tuner-simple.c fix suport for SECAM with FI1216MF
  V4L/DVB (5630): Dvb-core: Handle failures to create devices
  V4L/DVB (5639a): Fix dst usage count
  V4L/DVB (5670): Adding new fields to v4l2_pix_format broke the ABI, reverted that change
  V4L/DVB (5640): Fix: em28xx shouldn't be selecting VIDEO_BUF
  V4L/DVB (5639): Fix Kconfig dependencies for ivtv

arch/ia64/kernel/process.c
arch/ia64/kernel/unwind.c
arch/ia64/pci/pci.c
arch/ia64/sn/kernel/setup.c
arch/powerpc/kernel/cputable.c
arch/powerpc/kernel/pmc.c
arch/powerpc/kernel/smp.c
arch/powerpc/kernel/vmlinux.lds.S
arch/powerpc/mm/mem.c
include/asm-ia64/unistd.h

index d1c3ed9943e52d8ccad85553e1d1008ae7dc3629..af73b8dfde282c0c91f84b3f8da062327d18a069 100644 (file)
@@ -763,6 +763,9 @@ get_wchan (struct task_struct *p)
        unsigned long ip;
        int count = 0;
 
+       if (!p || p == current || p->state == TASK_RUNNING)
+               return 0;
+
        /*
         * Note: p may not be a blocked task (it could be current or
         * another process running on some other CPU.  Rather than
@@ -773,6 +776,8 @@ get_wchan (struct task_struct *p)
         */
        unw_init_from_blocked_task(&info, p);
        do {
+               if (p->state == TASK_RUNNING)
+                       return 0;
                if (unw_unwind(&info) < 0)
                        return 0;
                unw_get_ip(&info, &ip);
index 7d3dd6cdafa4aeef31008c31bf62e45cab95da75..b0b08b5f3eca217ccecaced1d0188a66b98fd879 100644 (file)
@@ -1860,7 +1860,7 @@ int
 unw_unwind (struct unw_frame_info *info)
 {
        unsigned long prev_ip, prev_sp, prev_bsp;
-       unsigned long ip, pr, num_regs;
+       unsigned long ip, pr, num_regs, rp_loc, pfs_loc;
        STAT(unsigned long start, flags;)
        int retval;
 
@@ -1870,14 +1870,16 @@ unw_unwind (struct unw_frame_info *info)
        prev_sp = info->sp;
        prev_bsp = info->bsp;
 
-       /* restore the ip */
-       if (!info->rp_loc) {
+       /* validate the return IP pointer */
+       rp_loc = (unsigned long) info->rp_loc;
+       if ((rp_loc < info->regstk.limit) || (rp_loc > info->regstk.top)) {
                /* FIXME: should really be level 0 but it occurs too often. KAO */
                UNW_DPRINT(1, "unwind.%s: failed to locate return link (ip=0x%lx)!\n",
                           __FUNCTION__, info->ip);
                STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags));
                return -1;
        }
+       /* restore the ip */
        ip = info->ip = *info->rp_loc;
        if (ip < GATE_ADDR) {
                UNW_DPRINT(2, "unwind.%s: reached user-space (ip=0x%lx)\n", __FUNCTION__, ip);
@@ -1885,12 +1887,14 @@ unw_unwind (struct unw_frame_info *info)
                return -1;
        }
 
-       /* restore the cfm: */
-       if (!info->pfs_loc) {
+       /* validate the previous stack frame pointer */
+       pfs_loc = (unsigned long) info->pfs_loc;
+       if ((pfs_loc < info->regstk.limit) || (pfs_loc > info->regstk.top)) {
                UNW_DPRINT(0, "unwind.%s: failed to locate ar.pfs!\n", __FUNCTION__);
                STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags));
                return -1;
        }
+       /* restore the cfm: */
        info->cfm_loc = info->pfs_loc;
 
        /* restore the bsp: */
@@ -1992,13 +1996,16 @@ init_frame_info (struct unw_frame_info *info, struct task_struct *t,
        memset(info, 0, sizeof(*info));
 
        rbslimit = (unsigned long) t + IA64_RBS_OFFSET;
+       stklimit = (unsigned long) t + IA64_STK_OFFSET;
+
        rbstop   = sw->ar_bspstore;
-       if (rbstop - (unsigned long) t >= IA64_STK_OFFSET)
+       if (rbstop > stklimit || rbstop < rbslimit)
                rbstop = rbslimit;
 
-       stklimit = (unsigned long) t + IA64_STK_OFFSET;
        if (stktop <= rbstop)
                stktop = rbstop;
+       if (stktop > stklimit)
+               stktop = stklimit;
 
        info->regstk.limit = rbslimit;
        info->regstk.top   = rbstop;
index 3549f3b425929434fd334fd9630fc9e85ca25e68..73696b4a2eed42caafc4d7414f8ae38c6c3a6922 100644 (file)
@@ -354,10 +354,13 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
 
        acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
                        &windows);
-       controller->window = kmalloc_node(sizeof(*controller->window) * windows,
-                       GFP_KERNEL, controller->node);
-       if (!controller->window)
-               goto out2;
+       if (windows) {
+               controller->window =
+                       kmalloc_node(sizeof(*controller->window) * windows,
+                                    GFP_KERNEL, controller->node);
+               if (!controller->window)
+                       goto out2;
+       }
 
        name = kmalloc(16, GFP_KERNEL);
        if (!name)
index a574fcd163ddd57776031bffe8d0a151dcfb3991..684b1c984a445e3ba5a818aef22cb8f6d8437979 100644 (file)
@@ -194,7 +194,7 @@ void __init early_sn_setup(void)
 }
 
 extern int platform_intr_list[];
-static int __initdata shub_1_1_found;
+static int __cpuinitdata shub_1_1_found;
 
 /*
  * sn_check_for_wars
index 6ef87fb90b8ecd663372f7bbd45109ccdc9d17c2..b2b5d664d32861f2c71b699e917dd70f07f412f3 100644 (file)
@@ -235,6 +235,7 @@ static struct cpu_spec cpu_specs[] = {
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
+               .pmc_type               = PPC_PMC_IBM,
                .cpu_setup              = __setup_cpu_ppc970,
                .cpu_restore            = __restore_cpu_ppc970,
                .oprofile_cpu_type      = "ppc64/970MP",
@@ -251,6 +252,7 @@ static struct cpu_spec cpu_specs[] = {
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
+               .pmc_type               = PPC_PMC_IBM,
                .cpu_setup              = __setup_cpu_ppc970MP,
                .cpu_restore            = __restore_cpu_ppc970,
                .oprofile_cpu_type      = "ppc64/970MP",
@@ -317,6 +319,7 @@ static struct cpu_spec cpu_specs[] = {
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 6,
+               .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/power6",
                .oprofile_type          = PPC_OPROFILE_POWER4,
                .oprofile_mmcra_sihv    = POWER6_MMCRA_SIHV,
@@ -335,6 +338,7 @@ static struct cpu_spec cpu_specs[] = {
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 6,
+               .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/power6",
                .oprofile_type          = PPC_OPROFILE_POWER4,
                .oprofile_mmcra_sihv    = POWER6_MMCRA_SIHV,
index 24d7b7c99bb9fa8db645e752635027b00f3fb23a..ea04e0ab3f2f192cf4355d27a31f46180aced233 100644 (file)
@@ -20,8 +20,8 @@
 #include <asm/cputable.h>
 #include <asm/pmc.h>
 
-#ifndef MMCR0_PMA0
-#define MMCR0_PMA0     0
+#ifndef MMCR0_PMAO
+#define MMCR0_PMAO     0
 #endif
 
 static void dummy_perf(struct pt_regs *regs)
@@ -30,7 +30,7 @@ static void dummy_perf(struct pt_regs *regs)
        mtpmr(PMRN_PMGC0, mfpmr(PMRN_PMGC0) & ~PMGC0_PMIE);
 #elif defined(CONFIG_PPC64) || defined(CONFIG_6xx)
        if (cur_cpu_spec->pmc_type == PPC_PMC_IBM)
-               mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~(MMCR0_PMXE|MMCR0_PMA0));
+               mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~(MMCR0_PMXE|MMCR0_PMAO));
 #else
        mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_PMXE);
 #endif
index 22f1ef1b3100ff8df55e8ab0f8256518b4c2987e..d577b71db37549433ca2f36aa6ad0bcea8cd3a5a 100644 (file)
@@ -201,13 +201,6 @@ int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic,
        /* Can deadlock when called with interrupts disabled */
        WARN_ON(irqs_disabled());
 
-       /* remove 'self' from the map */
-       if (cpu_isset(smp_processor_id(), map))
-               cpu_clear(smp_processor_id(), map);
-
-       /* sanity check the map, remove any non-online processors. */
-       cpus_and(map, map, cpu_online_map);
-
        if (unlikely(smp_ops == NULL))
                return ret;
 
@@ -222,10 +215,17 @@ int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic,
        /* Must grab online cpu count with preempt disabled, otherwise
         * it can change. */
        num_cpus = num_online_cpus() - 1;
-       if (!num_cpus || cpus_empty(map)) {
-               ret = 0;
-               goto out;
-       }
+       if (!num_cpus)
+               goto done;
+
+       /* remove 'self' from the map */
+       if (cpu_isset(smp_processor_id(), map))
+               cpu_clear(smp_processor_id(), map);
+
+       /* sanity check the map, remove any non-online processors. */
+       cpus_and(map, map, cpu_online_map);
+       if (cpus_empty(map))
+               goto done;
 
        call_data = &data;
        smp_wmb();
@@ -263,6 +263,7 @@ int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic,
                }
        }
 
+ done:
        ret = 0;
 
  out:
@@ -282,16 +283,17 @@ EXPORT_SYMBOL(smp_call_function);
 int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int nonatomic,
                        int wait)
 {
-       cpumask_t map=CPU_MASK_NONE;
+       cpumask_t map = CPU_MASK_NONE;
+       int ret = -EBUSY;
 
        if (!cpu_online(cpu))
                return -EINVAL;
 
-       if (cpu == smp_processor_id())
-               return -EBUSY;
-
        cpu_set(cpu, map);
-       return smp_call_function_map(func,info,nonatomic,wait,map);
+       if (cpu != get_cpu())
+               ret = smp_call_function_map(func,info,nonatomic,wait,map);
+       put_cpu();
+       return ret;
 }
 EXPORT_SYMBOL(smp_call_function_single);
 
index f7d7bf19e4fba48807885224f0239214f38666c5..21c39ff2dc39b41c52d0ea04fb66defab5786118 100644 (file)
@@ -34,7 +34,6 @@ SECTIONS
        /* Text and gots */
        .text : {
                _text = .;
-               *(.text.*)
                TEXT_TEXT
                SCHED_TEXT
                LOCK_TEXT
index 246eeea40ecec4ba0e5884fe114508bcab70dad9..0266a94d83b6e86fd9ec004c0e3987462329cfbe 100644 (file)
@@ -310,11 +310,12 @@ void __init paging_init(void)
 
 #ifdef CONFIG_HIGHMEM
        map_page(PKMAP_BASE, 0, 0);     /* XXX gross */
-       pkmap_page_table = pte_offset_kernel(pmd_offset(pgd_offset_k
-                       (PKMAP_BASE), PKMAP_BASE), PKMAP_BASE);
+       pkmap_page_table = pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k
+                       (PKMAP_BASE), PKMAP_BASE), PKMAP_BASE), PKMAP_BASE);
        map_page(KMAP_FIX_BEGIN, 0, 0); /* XXX gross */
-       kmap_pte = pte_offset_kernel(pmd_offset(pgd_offset_k
-                       (KMAP_FIX_BEGIN), KMAP_FIX_BEGIN), KMAP_FIX_BEGIN);
+       kmap_pte = pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k
+                       (KMAP_FIX_BEGIN), KMAP_FIX_BEGIN), KMAP_FIX_BEGIN),
+                        KMAP_FIX_BEGIN);
        kmap_prot = PAGE_KERNEL;
 #endif /* CONFIG_HIGHMEM */
 
index d7781a2ddefec086fa085f1f9902e50cd69bbb77..441c9e0017762b0133c8a2e017e62596b2b8e11a 100644 (file)
 
 #define NR_syscalls                    286 /* length of syscall table */
 
+/*
+ * The following defines stop scripts/checksyscalls.sh from complaining about
+ * unimplemented system calls.  Glibc provides for each of these by using
+ * more modern equivalent system calls.
+ */
+#define __IGNORE_fork          /* clone() */
+#define __IGNORE_time          /* gettimeofday() */
+#define __IGNORE_alarm         /* setitimer(ITIMER_REAL, ... */
+#define __IGNORE_pause         /* rt_sigprocmask(), rt_sigsuspend() */
+#define __IGNORE_utime         /* utimes() */
+#define __IGNORE_getpgrp       /* getpgid() */
+#define __IGNORE_vfork         /* clone() */
+
 #define __ARCH_WANT_SYS_RT_SIGACTION
 #define __ARCH_WANT_SYS_RT_SIGSUSPEND