diff options
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r-- | arch/sparc/kernel/mdesc.c | 7 | ||||
-rw-r--r-- | arch/sparc/kernel/perf_event.c | 5 | ||||
-rw-r--r-- | arch/sparc/kernel/process_64.c | 25 | ||||
-rw-r--r-- | arch/sparc/kernel/prom_32.c | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/prom_64.c | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/rtrap_64.S | 1 | ||||
-rw-r--r-- | arch/sparc/kernel/setup_64.c | 12 | ||||
-rw-r--r-- | arch/sparc/kernel/signal32.c | 12 | ||||
-rw-r--r-- | arch/sparc/kernel/signal_64.c | 6 | ||||
-rw-r--r-- | arch/sparc/kernel/smp_64.c | 18 | ||||
-rw-r--r-- | arch/sparc/kernel/systbls_64.S | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/time_64.c | 3 |
12 files changed, 57 insertions, 42 deletions
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c index 39a2503fa3e1..9a26b442f820 100644 --- a/arch/sparc/kernel/mdesc.c +++ b/arch/sparc/kernel/mdesc.c @@ -5,13 +5,12 @@ */ #include <linux/kernel.h> #include <linux/types.h> -#include <linux/memblock.h> #include <linux/log2.h> #include <linux/list.h> #include <linux/slab.h> #include <linux/mm.h> #include <linux/miscdevice.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/export.h> #include <linux/refcount.h> @@ -170,7 +169,7 @@ static struct mdesc_handle * __init mdesc_memblock_alloc(unsigned int mdesc_size mdesc_size); alloc_size = PAGE_ALIGN(handle_size); - paddr = memblock_alloc(alloc_size, PAGE_SIZE); + paddr = memblock_phys_alloc(alloc_size, PAGE_SIZE); hp = NULL; if (paddr) { @@ -190,7 +189,7 @@ static void __init mdesc_memblock_free(struct mdesc_handle *hp) alloc_size = PAGE_ALIGN(hp->handle_size); start = __pa(hp); - free_bootmem_late(start, alloc_size); + memblock_free_late(start, alloc_size); } static struct mdesc_mem_ops memblock_mdesc_ops = { diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 67b3e6b3ce5d..47c871394ccb 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1849,16 +1849,12 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs { u64 saved_fault_address = current_thread_info()->fault_address; u8 saved_fault_code = get_thread_fault_code(); - mm_segment_t old_fs; perf_callchain_store(entry, regs->tpc); if (!current->mm) return; - old_fs = get_fs(); - set_fs(USER_DS); - flushw_user(); pagefault_disable(); @@ -1870,7 +1866,6 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs pagefault_enable(); - set_fs(old_fs); set_thread_fault_code(saved_fault_code); current_thread_info()->fault_address = saved_fault_address; } diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index 6c086086ca8f..59eaf6227af1 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -36,6 +36,7 @@ #include <linux/sysrq.h> #include <linux/nmi.h> #include <linux/context_tracking.h> +#include <linux/signal.h> #include <linux/uaccess.h> #include <asm/page.h> @@ -521,7 +522,12 @@ static void stack_unaligned(unsigned long sp) force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *) sp, 0, current); } -void fault_in_user_windows(void) +static const char uwfault32[] = KERN_INFO \ + "%s[%d]: bad register window fault: SP %08lx (orig_sp %08lx) TPC %08lx O7 %08lx\n"; +static const char uwfault64[] = KERN_INFO \ + "%s[%d]: bad register window fault: SP %016lx (orig_sp %016lx) TPC %08lx O7 %016lx\n"; + +void fault_in_user_windows(struct pt_regs *regs) { struct thread_info *t = current_thread_info(); unsigned long window; @@ -534,9 +540,9 @@ void fault_in_user_windows(void) do { struct reg_window *rwin = &t->reg_window[window]; int winsize = sizeof(struct reg_window); - unsigned long sp; + unsigned long sp, orig_sp; - sp = t->rwbuf_stkptrs[window]; + orig_sp = sp = t->rwbuf_stkptrs[window]; if (test_thread_64bit_stack(sp)) sp += STACK_BIAS; @@ -547,8 +553,16 @@ void fault_in_user_windows(void) stack_unaligned(sp); if (unlikely(copy_to_user((char __user *)sp, - rwin, winsize))) + rwin, winsize))) { + if (show_unhandled_signals) + printk_ratelimited(is_compat_task() ? + uwfault32 : uwfault64, + current->comm, current->pid, + sp, orig_sp, + regs->tpc, + regs->u_regs[UREG_I7]); goto barf; + } } while (window--); } set_thread_wsaved(0); @@ -556,8 +570,7 @@ void fault_in_user_windows(void) barf: set_thread_wsaved(window + 1); - user_exit(); - do_exit(SIGILL); + force_sig(SIGSEGV, current); } asmlinkage long sparc_do_fork(unsigned long clone_flags, diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index b51cbb9e87dc..d41e2a749c5d 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -19,7 +19,7 @@ #include <linux/types.h> #include <linux/string.h> #include <linux/mm.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <asm/prom.h> #include <asm/oplib.h> @@ -32,7 +32,7 @@ void * __init prom_early_alloc(unsigned long size) { void *ret; - ret = __alloc_bootmem(size, SMP_CACHE_BYTES, 0UL); + ret = memblock_alloc_from(size, SMP_CACHE_BYTES, 0UL); if (ret != NULL) memset(ret, 0, size); diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c index baeaeed64993..c37955d127fe 100644 --- a/arch/sparc/kernel/prom_64.c +++ b/arch/sparc/kernel/prom_64.c @@ -34,7 +34,7 @@ void * __init prom_early_alloc(unsigned long size) { - unsigned long paddr = memblock_alloc(size, SMP_CACHE_BYTES); + unsigned long paddr = memblock_phys_alloc(size, SMP_CACHE_BYTES); void *ret; if (!paddr) { diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S index 4073e2b87dd0..29aa34f11720 100644 --- a/arch/sparc/kernel/rtrap_64.S +++ b/arch/sparc/kernel/rtrap_64.S @@ -39,6 +39,7 @@ __handle_preemption: wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate __handle_user_windows: + add %sp, PTREGS_OFF, %o0 call fault_in_user_windows 661: wrpr %g0, RTRAP_PSTATE, %pstate /* If userspace is using ADI, it could potentially pass diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 7944b3ca216a..cd2825cb8420 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -32,7 +32,7 @@ #include <linux/initrd.h> #include <linux/module.h> #include <linux/start_kernel.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <asm/io.h> #include <asm/processor.h> @@ -621,12 +621,10 @@ void __init alloc_irqstack_bootmem(void) for_each_possible_cpu(i) { node = cpu_to_node(i); - softirq_stack[i] = __alloc_bootmem_node(NODE_DATA(node), - THREAD_SIZE, - THREAD_SIZE, 0); - hardirq_stack[i] = __alloc_bootmem_node(NODE_DATA(node), - THREAD_SIZE, - THREAD_SIZE, 0); + softirq_stack[i] = memblock_alloc_node(THREAD_SIZE, + THREAD_SIZE, node); + hardirq_stack[i] = memblock_alloc_node(THREAD_SIZE, + THREAD_SIZE, node); } } diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index 44d379db3f64..4c5b3fcbed94 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -371,7 +371,11 @@ static int setup_frame32(struct ksignal *ksig, struct pt_regs *regs, get_sigframe(ksig, regs, sigframe_size); if (invalid_frame_pointer(sf, sigframe_size)) { - do_exit(SIGILL); + if (show_unhandled_signals) + pr_info("%s[%d] bad frame in setup_frame32: %08lx TPC %08lx O7 %08lx\n", + current->comm, current->pid, (unsigned long)sf, + regs->tpc, regs->u_regs[UREG_I7]); + force_sigsegv(ksig->sig, current); return -EINVAL; } @@ -501,7 +505,11 @@ static int setup_rt_frame32(struct ksignal *ksig, struct pt_regs *regs, get_sigframe(ksig, regs, sigframe_size); if (invalid_frame_pointer(sf, sigframe_size)) { - do_exit(SIGILL); + if (show_unhandled_signals) + pr_info("%s[%d] bad frame in setup_rt_frame32: %08lx TPC %08lx O7 %08lx\n", + current->comm, current->pid, (unsigned long)sf, + regs->tpc, regs->u_regs[UREG_I7]); + force_sigsegv(ksig->sig, current); return -EINVAL; } diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index 48366e5eb5b2..e9de1803a22e 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -370,7 +370,11 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs) get_sigframe(ksig, regs, sf_size); if (invalid_frame_pointer (sf)) { - do_exit(SIGILL); /* won't return, actually */ + if (show_unhandled_signals) + pr_info("%s[%d] bad frame in setup_rt_frame: %016lx TPC %016lx O7 %016lx\n", + current->comm, current->pid, (unsigned long)sf, + regs->tpc, regs->u_regs[UREG_I7]); + force_sigsegv(ksig->sig, current); return -EINVAL; } diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index d3ea1f3c06a0..4792e08ad36b 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -22,7 +22,7 @@ #include <linux/cache.h> #include <linux/jiffies.h> #include <linux/profile.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/vmalloc.h> #include <linux/ftrace.h> #include <linux/cpu.h> @@ -1588,26 +1588,26 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, size_t size, void *ptr; if (!node_online(node) || !NODE_DATA(node)) { - ptr = __alloc_bootmem(size, align, goal); + ptr = memblock_alloc_from(size, align, goal); pr_info("cpu %d has no node %d or node-local memory\n", cpu, node); pr_debug("per cpu data for cpu%d %lu bytes at %016lx\n", cpu, size, __pa(ptr)); } else { - ptr = __alloc_bootmem_node(NODE_DATA(node), - size, align, goal); + ptr = memblock_alloc_try_nid(size, align, goal, + MEMBLOCK_ALLOC_ACCESSIBLE, node); pr_debug("per cpu data for cpu%d %lu bytes on node%d at " "%016lx\n", cpu, size, node, __pa(ptr)); } return ptr; #else - return __alloc_bootmem(size, align, goal); + return memblock_alloc_from(size, align, goal); #endif } static void __init pcpu_free_bootmem(void *ptr, size_t size) { - free_bootmem(__pa(ptr), size); + memblock_free(__pa(ptr), size); } static int __init pcpu_cpu_distance(unsigned int from, unsigned int to) @@ -1627,7 +1627,7 @@ static void __init pcpu_populate_pte(unsigned long addr) if (pgd_none(*pgd)) { pud_t *new; - new = __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); pgd_populate(&init_mm, pgd, new); } @@ -1635,7 +1635,7 @@ static void __init pcpu_populate_pte(unsigned long addr) if (pud_none(*pud)) { pmd_t *new; - new = __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); pud_populate(&init_mm, pud, new); } @@ -1643,7 +1643,7 @@ static void __init pcpu_populate_pte(unsigned long addr) if (!pmd_present(*pmd)) { pte_t *new; - new = __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); pmd_populate_kernel(&init_mm, pmd, new); } } diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index bb68c805b891..ff9389a1c9f3 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -47,9 +47,9 @@ sys_call_table32: .word sys_recvfrom, sys_setreuid16, sys_setregid16, sys_rename, compat_sys_truncate /*130*/ .word compat_sys_ftruncate, sys_flock, compat_sys_lstat64, sys_sendto, sys_shutdown .word sys_socketpair, sys_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64 -/*140*/ .word sys_sendfile64, sys_nis_syscall, compat_sys_futex, sys_gettid, compat_sys_getrlimit +/*140*/ .word sys_sendfile64, sys_getpeername, compat_sys_futex, sys_gettid, compat_sys_getrlimit .word compat_sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write -/*150*/ .word sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64 +/*150*/ .word sys_getsockname, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64 .word compat_sys_fcntl64, sys_inotify_rm_watch, compat_sys_statfs, compat_sys_fstatfs, sys_oldumount /*160*/ .word compat_sys_sched_setaffinity, compat_sys_sched_getaffinity, sys_getdomainname, sys_setdomainname, sys_nis_syscall .word sys_quotactl, sys_set_tid_address, compat_sys_mount, compat_sys_ustat, sys_setxattr diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index f0eba72aa1ad..5f356dc8e178 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -53,8 +53,6 @@ DEFINE_SPINLOCK(rtc_lock); -unsigned int __read_mostly vdso_fix_stick; - #ifdef CONFIG_SMP unsigned long profile_pc(struct pt_regs *regs) { @@ -838,7 +836,6 @@ void __init time_init_early(void) } else { init_tick_ops(&tick_operations); clocksource_tick.archdata.vclock_mode = VCLOCK_TICK; - vdso_fix_stick = 1; } } else { init_tick_ops(&stick_operations); |