diff options
Diffstat (limited to 'arch/sparc/kernel')
26 files changed, 107 insertions, 20 deletions
diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c index 4589ca33220..415c86d5a8d 100644 --- a/arch/sparc/kernel/central.c +++ b/arch/sparc/kernel/central.c @@ -5,6 +5,7 @@ #include <linux/kernel.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/string.h> #include <linux/init.h> #include <linux/of_device.h> diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c index 7430ed080b2..8de64c8126b 100644 --- a/arch/sparc/kernel/cpumap.c +++ b/arch/sparc/kernel/cpumap.c @@ -4,6 +4,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/cpumask.h> diff --git a/arch/sparc/kernel/helpers.S b/arch/sparc/kernel/helpers.S index 314dd0c9fc5..92090cc9e82 100644 --- a/arch/sparc/kernel/helpers.S +++ b/arch/sparc/kernel/helpers.S @@ -46,6 +46,81 @@ stack_trace_flush: nop .size stack_trace_flush,.-stack_trace_flush +#ifdef CONFIG_PERF_EVENTS + .globl perf_arch_fetch_caller_regs + .type perf_arch_fetch_caller_regs,#function +perf_arch_fetch_caller_regs: + /* We always read the %pstate into %o5 since we will use + * that to construct a fake %tstate to store into the regs. + */ + rdpr %pstate, %o5 + brz,pn %o2, 50f + mov %o2, %g7 + + /* Turn off interrupts while we walk around the register + * window by hand. + */ + wrpr %o5, PSTATE_IE, %pstate + + /* The %canrestore tells us how many register windows are + * still live in the chip above us, past that we have to + * walk the frame as saved on the stack. We stash away + * the %cwp in %g1 so we can return back to the original + * register window. + */ + rdpr %cwp, %g1 + rdpr %canrestore, %g2 + sub %g1, 1, %g3 + + /* We have the skip count in %g7, if it hits zero then + * %fp/%i7 are the registers we need. Otherwise if our + * %canrestore count maintained in %g2 hits zero we have + * to start traversing the stack. + */ +10: brz,pn %g2, 4f + sub %g2, 1, %g2 + wrpr %g3, %cwp + subcc %g7, 1, %g7 + bne,pt %xcc, 10b + sub %g3, 1, %g3 + + /* We found the values we need in the cpu's register + * windows. + */ + mov %fp, %g3 + ba,pt %xcc, 3f + mov %i7, %g2 + +50: mov %fp, %g3 + ba,pt %xcc, 2f + mov %i7, %g2 + + /* We hit the end of the valid register windows in the + * cpu, start traversing the stack frame. + */ +4: mov %fp, %g3 + +20: ldx [%g3 + STACK_BIAS + RW_V9_I7], %g2 + subcc %g7, 1, %g7 + bne,pn %xcc, 20b + ldx [%g3 + STACK_BIAS + RW_V9_I6], %g3 + + /* Restore the current register window position and + * re-enable interrupts. + */ +3: wrpr %g1, %cwp + wrpr %o5, %pstate + +2: stx %g3, [%o0 + PT_V9_FP] + sllx %o5, 8, %o5 + stx %o5, [%o0 + PT_V9_TSTATE] + stx %g2, [%o0 + PT_V9_TPC] + add %g2, 4, %g2 + retl + stx %g2, [%o0 + PT_V9_TNPC] + .size perf_arch_fetch_caller_regs,.-perf_arch_fetch_caller_regs +#endif /* CONFIG_PERF_EVENTS */ + #ifdef CONFIG_SMP .globl hard_smp_processor_id .type hard_smp_processor_id,#function diff --git a/arch/sparc/kernel/hvapi.c b/arch/sparc/kernel/hvapi.c index 1d272c3b574..7c60afb835b 100644 --- a/arch/sparc/kernel/hvapi.c +++ b/arch/sparc/kernel/hvapi.c @@ -5,7 +5,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/slab.h> #include <asm/hypervisor.h> #include <asm/oplib.h> diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index 8414549c183..47977a77f6c 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -6,6 +6,7 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/dma-mapping.h> diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c index 6716584e48a..a39d1ba5a11 100644 --- a/arch/sparc/kernel/kprobes.c +++ b/arch/sparc/kernel/kprobes.c @@ -7,6 +7,7 @@ #include <linux/kprobes.h> #include <linux/module.h> #include <linux/kdebug.h> +#include <linux/slab.h> #include <asm/signal.h> #include <asm/cacheflush.h> #include <asm/uaccess.h> diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index 00d034ea216..3ae36f36e75 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -3,6 +3,7 @@ #include <linux/init.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <linux/slab.h> #include <linux/string.h> #include <linux/jiffies.h> #include <linux/timer.h> diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 0409d62d8ca..6a7b4dbc8e0 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -7,7 +7,6 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/mutex.h> -#include <linux/slab.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/interrupt.h> diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c index 85787577f68..e1656fc41cc 100644 --- a/arch/sparc/kernel/leon_smp.c +++ b/arch/sparc/kernel/leon_smp.c @@ -22,6 +22,7 @@ #include <linux/profile.h> #include <linux/pm.h> #include <linux/delay.h> +#include <linux/gfp.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index 0ee642f6323..f848aadf54d 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -9,9 +9,9 @@ #include <linux/elf.h> #include <linux/vmalloc.h> #include <linux/fs.h> +#include <linux/gfp.h> #include <linux/string.h> #include <linux/ctype.h> -#include <linux/slab.h> #include <linux/mm.h> #include <asm/processor.h> diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c index cb8eb799bb6..0247e68210b 100644 --- a/arch/sparc/kernel/of_device_common.c +++ b/arch/sparc/kernel/of_device_common.c @@ -4,7 +4,6 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/mod_devicetable.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/irq.h> #include <linux/of_device.h> diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c index e1b0541feb1..e0ef847219c 100644 --- a/arch/sparc/kernel/pci_msi.c +++ b/arch/sparc/kernel/pci_msi.c @@ -4,6 +4,7 @@ */ #include <linux/kernel.h> #include <linux/interrupt.h> +#include <linux/slab.h> #include <linux/irq.h> #include "pci_impl.h" diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 68cb9b42088..e2771939341 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1337,7 +1337,7 @@ static void perf_callchain_user_32(struct pt_regs *regs, callchain_store(entry, PERF_CONTEXT_USER); callchain_store(entry, regs->tpc); - ufp = regs->u_regs[UREG_I6]; + ufp = regs->u_regs[UREG_I6] & 0xffffffffUL; do { struct sparc_stackf32 *usf, sf; unsigned long pc; diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index c49865b3071..40e29fc8a4d 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -17,13 +17,13 @@ #include <linux/mm.h> #include <linux/stddef.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/user.h> #include <linux/smp.h> #include <linux/reboot.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/init.h> +#include <linux/slab.h> #include <asm/auxio.h> #include <asm/oplib.h> diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c index 7e3dfd9bb97..e608f397e11 100644 --- a/arch/sparc/kernel/ptrace_32.c +++ b/arch/sparc/kernel/ptrace_32.c @@ -65,6 +65,7 @@ static int genregs32_get(struct task_struct *target, *k++ = regs->u_regs[pos++]; reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (get_user(*k++, ®_window[pos++])) return -EFAULT; @@ -76,6 +77,7 @@ static int genregs32_get(struct task_struct *target, } reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (get_user(reg, ®_window[pos++]) || put_user(reg, u++)) @@ -141,6 +143,7 @@ static int genregs32_set(struct task_struct *target, regs->u_regs[pos++] = *k++; reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (put_user(*k++, ®_window[pos++])) return -EFAULT; @@ -153,6 +156,7 @@ static int genregs32_set(struct task_struct *target, } reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (get_user(reg, u++) || put_user(reg, ®_window[pos++])) diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index 2f6524d1a81..aa90da08bf6 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -492,6 +492,7 @@ static int genregs32_get(struct task_struct *target, *k++ = regs->u_regs[pos++]; reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (get_user(*k++, ®_window[pos++])) @@ -516,6 +517,7 @@ static int genregs32_get(struct task_struct *target, } reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (get_user(reg, ®_window[pos++]) || @@ -599,6 +601,7 @@ static int genregs32_set(struct task_struct *target, regs->u_regs[pos++] = *k++; reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (put_user(*k++, ®_window[pos++])) @@ -625,6 +628,7 @@ static int genregs32_set(struct task_struct *target, } reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (get_user(reg, u++) || diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index a2a79e76344..5f72de67588 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -12,7 +12,6 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <asm/smp.h> #include <linux/user.h> #include <linux/screen_info.h> diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index eb14844a002..4c533452810 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -23,6 +23,7 @@ #include <linux/bootmem.h> #include <linux/vmalloc.h> #include <linux/cpu.h> +#include <linux/slab.h> #include <asm/head.h> #include <asm/ptrace.h> diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index bc3adbf79c6..892fb884910 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/ptrace.h> #include <linux/interrupt.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/of.h> #include <linux/of_device.h> diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 301892e2d71..7f3b97ff62c 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -17,7 +17,6 @@ #include <linux/ptrace.h> #include <linux/smp.h> #include <linux/interrupt.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/of.h> diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index daded3b9639..c0ca87553e1 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -21,7 +21,6 @@ #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> -#include <linux/slab.h> #include <linux/uio.h> #include <linux/nfs_fs.h> #include <linux/quota.h> @@ -44,6 +43,7 @@ #include <linux/compat.h> #include <linux/vfs.h> #include <linux/ptrace.h> +#include <linux/slab.h> #include <asm/types.h> #include <asm/uaccess.h> diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c index ca39c606fe8..1eb8b00aed7 100644 --- a/arch/sparc/kernel/sysfs.c +++ b/arch/sparc/kernel/sysfs.c @@ -107,12 +107,12 @@ static unsigned long run_on_cpu(unsigned long cpu, unsigned long ret; /* should return -EINVAL to userspace */ - if (set_cpus_allowed(current, cpumask_of_cpu(cpu))) + if (set_cpus_allowed_ptr(current, cpumask_of(cpu))) return 0; ret = func(arg); - set_cpus_allowed(current, old_affinity); + set_cpus_allowed_ptr(current, &old_affinity); return ret; } diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index bdc05a21908..837dfc2390d 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -17,6 +17,7 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/kdebug.h> +#include <linux/gfp.h> #include <asm/smp.h> #include <asm/delay.h> diff --git a/arch/sparc/kernel/us2e_cpufreq.c b/arch/sparc/kernel/us2e_cpufreq.c index 791c15138f3..8f982b76c71 100644 --- a/arch/sparc/kernel/us2e_cpufreq.c +++ b/arch/sparc/kernel/us2e_cpufreq.c @@ -238,12 +238,12 @@ static unsigned int us2e_freq_get(unsigned int cpu) return 0; cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); clock_tick = sparc64_get_clock_tick(cpu) / 1000; estar = read_hbreg(HBIRD_ESTAR_MODE_ADDR); - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); return clock_tick / estar_to_divisor(estar); } @@ -259,7 +259,7 @@ static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index) return; cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); new_freq = clock_tick = sparc64_get_clock_tick(cpu) / 1000; new_bits = index_to_estar_mode(index); @@ -281,7 +281,7 @@ static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index) cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); } static int us2e_freq_target(struct cpufreq_policy *policy, diff --git a/arch/sparc/kernel/us3_cpufreq.c b/arch/sparc/kernel/us3_cpufreq.c index 365b6464e2c..f35d1e79454 100644 --- a/arch/sparc/kernel/us3_cpufreq.c +++ b/arch/sparc/kernel/us3_cpufreq.c @@ -86,12 +86,12 @@ static unsigned int us3_freq_get(unsigned int cpu) return 0; cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); reg = read_safari_cfg(); ret = get_current_freq(cpu, reg); - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); return ret; } @@ -106,7 +106,7 @@ static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index) return; cpus_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); new_freq = sparc64_get_clock_tick(cpu) / 1000; switch (index) { @@ -140,7 +140,7 @@ static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index) cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - set_cpus_allowed(current, cpus_allowed); + set_cpus_allowed_ptr(current, &cpus_allowed); } static int us3_freq_target(struct cpufreq_policy *policy, diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index c28c71449a6..3cb1def9806 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -10,6 +10,7 @@ */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/irq.h> #include <linux/init.h> |