diff options
Diffstat (limited to 'arch/sparc64/kernel')
| -rw-r--r-- | arch/sparc64/kernel/entry.S | 59 | ||||
| -rw-r--r-- | arch/sparc64/kernel/irq.c | 20 | ||||
| -rw-r--r-- | arch/sparc64/kernel/power.c | 5 | ||||
| -rw-r--r-- | arch/sparc64/kernel/process.c | 6 | ||||
| -rw-r--r-- | arch/sparc64/kernel/ptrace.c | 46 | ||||
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 12 | ||||
| -rw-r--r-- | arch/sparc64/kernel/sparc64_ksyms.c | 2 | ||||
| -rw-r--r-- | arch/sparc64/kernel/sys32.S | 2 | ||||
| -rw-r--r-- | arch/sparc64/kernel/systbls.S | 16 | ||||
| -rw-r--r-- | arch/sparc64/kernel/time.c | 24 | ||||
| -rw-r--r-- | arch/sparc64/kernel/traps.c | 2 | ||||
| -rw-r--r-- | arch/sparc64/kernel/vmlinux.lds.S | 2 |
12 files changed, 96 insertions, 100 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index d3973d8a719..88332f00094 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -22,8 +22,6 @@ #include <asm/estate.h> #include <asm/auxio.h> -/* #define SYSCALL_TRACING 1 */ - #define curptr g6 #define NR_SYSCALLS 284 /* Each OS is different... */ @@ -1554,11 +1552,12 @@ sys_ptrace: add %sp, PTREGS_OFF, %o0 nop .align 32 1: ldx [%curptr + TI_FLAGS], %l5 - andcc %l5, _TIF_SYSCALL_TRACE, %g0 + andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0 be,pt %icc, rtrap clr %l6 + add %sp, PTREGS_OFF, %o0 call syscall_trace - nop + mov 1, %o1 ba,pt %xcc, rtrap clr %l6 @@ -1601,11 +1600,11 @@ sys_clone: flushw ba,pt %xcc, sparc_do_fork add %sp, PTREGS_OFF, %o2 ret_from_syscall: - /* Clear SPARC_FLAG_NEWCHILD, switch_to leaves thread.flags in - * %o7 for us. Check performance counter stuff too. + /* Clear current_thread_info()->new_child, and + * check performance counter stuff too. */ - andn %o7, _TIF_NEWCHILD, %l0 - stx %l0, [%g6 + TI_FLAGS] + stb %g0, [%g6 + TI_NEW_CHILD] + ldx [%g6 + TI_FLAGS], %l0 call schedule_tail mov %g7, %o0 andcc %l0, _TIF_PERFCTR, %g0 @@ -1642,18 +1641,20 @@ linux_sparc_ni_syscall: or %l7, %lo(sys_ni_syscall), %l7 linux_syscall_trace32: + add %sp, PTREGS_OFF, %o0 call syscall_trace - nop + clr %o1 srl %i0, 0, %o0 - mov %i4, %o4 + srl %i4, 0, %o4 srl %i1, 0, %o1 srl %i2, 0, %o2 b,pt %xcc, 2f srl %i3, 0, %o3 linux_syscall_trace: + add %sp, PTREGS_OFF, %o0 call syscall_trace - nop + clr %o1 mov %i0, %o0 mov %i1, %o1 mov %i2, %o2 @@ -1671,11 +1672,6 @@ linux_sparc_syscall32: bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI srl %i0, 0, %o0 ! IEU0 sll %g1, 2, %l4 ! IEU0 Group -#ifdef SYSCALL_TRACING - call syscall_trace_entry - add %sp, PTREGS_OFF, %o0 - srl %i0, 0, %o0 -#endif srl %i4, 0, %o4 ! IEU1 lduw [%l7 + %l4], %l7 ! Load srl %i1, 0, %o1 ! IEU0 Group @@ -1683,7 +1679,7 @@ linux_sparc_syscall32: srl %i5, 0, %o5 ! IEU1 srl %i2, 0, %o2 ! IEU0 Group - andcc %l0, _TIF_SYSCALL_TRACE, %g0 ! IEU0 Group + andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0 bne,pn %icc, linux_syscall_trace32 ! CTI mov %i0, %l5 ! IEU1 call %l7 ! CTI Group brk forced @@ -1699,11 +1695,6 @@ linux_sparc_syscall: bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI mov %i0, %o0 ! IEU0 sll %g1, 2, %l4 ! IEU0 Group -#ifdef SYSCALL_TRACING - call syscall_trace_entry - add %sp, PTREGS_OFF, %o0 - mov %i0, %o0 -#endif mov %i1, %o1 ! IEU1 lduw [%l7 + %l4], %l7 ! Load 4: mov %i2, %o2 ! IEU0 Group @@ -1711,7 +1702,7 @@ linux_sparc_syscall: mov %i3, %o3 ! IEU1 mov %i4, %o4 ! IEU0 Group - andcc %l0, _TIF_SYSCALL_TRACE, %g0 ! IEU1 Group+1 bubble + andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0 bne,pn %icc, linux_syscall_trace ! CTI Group mov %i0, %l5 ! IEU0 2: call %l7 ! CTI Group brk forced @@ -1720,12 +1711,6 @@ linux_sparc_syscall: 3: stx %o0, [%sp + PTREGS_OFF + PT_V9_I0] ret_sys_call: -#ifdef SYSCALL_TRACING - mov %o0, %o1 - call syscall_trace_exit - add %sp, PTREGS_OFF, %o0 - mov %o1, %o0 -#endif ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %g3 ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc sra %o0, 0, %o0 @@ -1735,17 +1720,16 @@ ret_sys_call: /* Check if force_successful_syscall_return() * was invoked. */ - ldx [%curptr + TI_FLAGS], %l0 - andcc %l0, _TIF_SYSCALL_SUCCESS, %g0 - be,pt %icc, 1f - andn %l0, _TIF_SYSCALL_SUCCESS, %l0 + ldub [%curptr + TI_SYS_NOERROR], %l0 + brz,pt %l0, 1f + nop ba,pt %xcc, 80f - stx %l0, [%curptr + TI_FLAGS] + stb %g0, [%curptr + TI_SYS_NOERROR] 1: cmp %o0, -ERESTART_RESTARTBLOCK bgeu,pn %xcc, 1f - andcc %l0, _TIF_SYSCALL_TRACE, %l6 + andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %l6 80: /* System call success, clear Carry condition code. */ andn %g3, %g2, %g3 @@ -1760,7 +1744,7 @@ ret_sys_call: /* System call failure, set Carry condition code. * Also, get abs(errno) to return to the process. */ - andcc %l0, _TIF_SYSCALL_TRACE, %l6 + andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %l6 sub %g0, %o0, %o0 or %g3, %g2, %g3 stx %o0, [%sp + PTREGS_OFF + PT_V9_I0] @@ -1773,8 +1757,9 @@ ret_sys_call: b,pt %xcc, rtrap stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] linux_syscall_trace2: + add %sp, PTREGS_OFF, %o0 call syscall_trace - nop + mov 1, %o1 stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC] ba,pt %xcc, rtrap stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index daa2fb93052..c9b69167632 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -782,8 +782,14 @@ static void distribute_irqs(void) } #endif +struct sun5_timer { + u64 count0; + u64 limit0; + u64 count1; + u64 limit1; +}; -struct sun5_timer *prom_timers; +static struct sun5_timer *prom_timers; static u64 prom_limit0, prom_limit1; static void map_prom_timers(void) @@ -839,18 +845,6 @@ static void kill_prom_timer(void) : "g1", "g2"); } -void enable_prom_timer(void) -{ - if (!prom_timers) - return; - - /* Set it to whatever was there before. */ - prom_timers->limit1 = prom_limit1; - prom_timers->count1 = 0; - prom_timers->limit0 = prom_limit0; - prom_timers->count0 = 0; -} - void init_irqwork_curcpu(void) { register struct irq_work_struct *workp asm("o2"); diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c index 52f14e399b1..946cee0257e 100644 --- a/arch/sparc64/kernel/power.c +++ b/arch/sparc64/kernel/power.c @@ -4,6 +4,8 @@ * Copyright (C) 1999 David S. Miller (davem@redhat.com) */ +#define __KERNEL_SYSCALLS__ + #include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> @@ -17,7 +19,6 @@ #include <asm/ebus.h> #include <asm/auxio.h> -#define __KERNEL_SYSCALLS__ #include <linux/unistd.h> /* @@ -68,8 +69,6 @@ void machine_power_off(void) machine_halt(); } -EXPORT_SYMBOL(machine_power_off); - #ifdef CONFIG_PCI static int powerd(void *__unused) { diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index a0cd2b2494d..07424b07593 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -124,8 +124,6 @@ void machine_halt(void) panic("Halt failed!"); } -EXPORT_SYMBOL(machine_halt); - void machine_alt_power_off(void) { if (!serial_console && prom_palette) @@ -154,8 +152,6 @@ void machine_restart(char * cmd) panic("Reboot failed!"); } -EXPORT_SYMBOL(machine_restart); - static void show_regwindow32(struct pt_regs *regs) { struct reg_window32 __user *rw; @@ -621,8 +617,8 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp, memcpy(child_trap_frame, (((struct sparc_stackf *)regs)-1), (TRACEREG_SZ+STACKFRAME_SZ)); t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) | (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) | - _TIF_NEWCHILD | (((regs->tstate + 1) & TSTATE_CWP) << TI_FLAG_CWP_SHIFT); + t->new_child = 1; t->ksp = ((unsigned long) child_trap_frame) - STACK_BIAS; t->kregs = (struct pt_regs *)(child_trap_frame+sizeof(struct sparc_stackf)); t->fpsaved[0] = 0; diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c index 80a76e2ad73..23ad839d113 100644 --- a/arch/sparc64/kernel/ptrace.c +++ b/arch/sparc64/kernel/ptrace.c @@ -19,6 +19,8 @@ #include <linux/smp.h> #include <linux/smp_lock.h> #include <linux/security.h> +#include <linux/seccomp.h> +#include <linux/audit.h> #include <linux/signal.h> #include <asm/asi.h> @@ -628,15 +630,27 @@ out: unlock_kernel(); } -asmlinkage void syscall_trace(void) +asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p) { -#ifdef DEBUG_PTRACE - printk("%s [%d]: syscall_trace\n", current->comm, current->pid); -#endif - if (!test_thread_flag(TIF_SYSCALL_TRACE)) - return; + /* do the secure computing check first */ + secure_computing(regs->u_regs[UREG_G1]); + + if (unlikely(current->audit_context) && syscall_exit_p) { + unsigned long tstate = regs->tstate; + int result = AUDITSC_SUCCESS; + + if (unlikely(tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) + result = AUDITSC_FAILURE; + + audit_syscall_exit(current, result, regs->u_regs[UREG_I0]); + } + if (!(current->ptrace & PT_PTRACED)) - return; + goto out; + + if (!test_thread_flag(TIF_SYSCALL_TRACE)) + goto out; + ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) ? 0x80 : 0)); @@ -645,12 +659,20 @@ asmlinkage void syscall_trace(void) * for normal use. strace only continues with a signal if the * stopping signal is not SIGTRAP. -brl */ -#ifdef DEBUG_PTRACE - printk("%s [%d]: syscall_trace exit= %x\n", current->comm, - current->pid, current->exit_code); -#endif if (current->exit_code) { - send_sig (current->exit_code, current, 1); + send_sig(current->exit_code, current, 1); current->exit_code = 0; } + +out: + if (unlikely(current->audit_context) && !syscall_exit_p) + audit_syscall_entry(current, + (test_thread_flag(TIF_32BIT) ? + AUDIT_ARCH_SPARC : + AUDIT_ARCH_SPARC64), + regs->u_regs[UREG_G1], + regs->u_regs[UREG_I0], + regs->u_regs[UREG_I1], + regs->u_regs[UREG_I2], + regs->u_regs[UREG_I3]); } diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index e5b9c7a2778..b9b42491e11 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -45,8 +45,8 @@ extern void calibrate_delay(void); /* Please don't make this stuff initdata!!! --DaveM */ static unsigned char boot_cpu_id; -cpumask_t cpu_online_map = CPU_MASK_NONE; -cpumask_t phys_cpu_present_map = CPU_MASK_NONE; +cpumask_t cpu_online_map __read_mostly = CPU_MASK_NONE; +cpumask_t phys_cpu_present_map __read_mostly = CPU_MASK_NONE; static cpumask_t smp_commenced_mask; static cpumask_t cpu_callout_map; @@ -137,7 +137,7 @@ void __init smp_callin(void) /* Clear this or we will die instantly when we * schedule back to this idler... */ - clear_thread_flag(TIF_NEWCHILD); + current_thread_info()->new_child = 0; /* Attach to the address space of init_task. */ atomic_inc(&init_mm.mm_count); @@ -155,7 +155,7 @@ void cpu_panic(void) panic("SMP bolixed\n"); } -static unsigned long current_tick_offset; +static unsigned long current_tick_offset __read_mostly; /* This tick register synchronization scheme is taken entirely from * the ia64 port, see arch/ia64/kernel/smpboot.c for details and credit. @@ -1193,8 +1193,8 @@ void smp_send_stop(void) { } -unsigned long __per_cpu_base; -unsigned long __per_cpu_shift; +unsigned long __per_cpu_base __read_mostly; +unsigned long __per_cpu_shift __read_mostly; EXPORT_SYMBOL(__per_cpu_base); EXPORT_SYMBOL(__per_cpu_shift); diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c index 56cd96f4a5c..9202d925a9c 100644 --- a/arch/sparc64/kernel/sparc64_ksyms.c +++ b/arch/sparc64/kernel/sparc64_ksyms.c @@ -79,7 +79,7 @@ extern void linux_sparc_syscall(void); extern void rtrap(void); extern void show_regs(struct pt_regs *); extern void solaris_syscall(void); -extern void syscall_trace(void); +extern void syscall_trace(struct pt_regs *, int); extern u32 sunos_sys_table[], sys_call_table32[]; extern void tl0_solaris(void); extern void sys_sigsuspend(void); diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S index 5a95e98c531..5f9e4fae612 100644 --- a/arch/sparc64/kernel/sys32.S +++ b/arch/sparc64/kernel/sys32.S @@ -135,6 +135,8 @@ SIGN2(sys32_shutdown, sys_shutdown, %o0, %o1) SIGN3(sys32_socketpair, sys_socketpair, %o0, %o1, %o2) SIGN1(sys32_getpeername, sys_getpeername, %o0) SIGN1(sys32_getsockname, sys_getsockname, %o0) +SIGN2(sys32_ioprio_get, sys_ioprio_get, %o0, %o1) +SIGN3(sys32_ioprio_set, sys_ioprio_set, %o0, %o1, %o2) .globl sys32_mmap2 sys32_mmap2: diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S index a5e36a4c892..53eaf2345fe 100644 --- a/arch/sparc64/kernel/systbls.S +++ b/arch/sparc64/kernel/systbls.S @@ -50,8 +50,8 @@ sys_call_table32: .word sys_nis_syscall, sys32_mkdir, sys_rmdir, sys32_utimes, compat_sys_stat64 /*140*/ .word sys32_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit .word compat_sys_setrlimit, sys_pivot_root, sys32_prctl, sys_pciconfig_read, sys_pciconfig_write -/*150*/ .word sys_nis_syscall, sys_nis_syscall, sys_nis_syscall, sys_poll, sys_getdents64 - .word compat_sys_fcntl64, sys_ni_syscall, compat_sys_statfs, compat_sys_fstatfs, sys_oldumount +/*150*/ .word sys_nis_syscall, 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, sys32_getdomainname, sys32_setdomainname, sys_nis_syscall .word sys_quotactl, sys_set_tid_address, compat_sys_mount, sys_ustat, sys32_setxattr /*170*/ .word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, compat_sys_getdents @@ -59,11 +59,11 @@ sys_call_table32: /*180*/ .word sys32_flistxattr, sys_removexattr, sys_lremovexattr, compat_sys_sigpending, sys_ni_syscall .word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sparc64_newuname /*190*/ .word sys32_init_module, sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl - .word sys32_epoll_wait, sys_nis_syscall, sys_getppid, sys32_sigaction, sys_sgetmask + .word sys32_epoll_wait, sys32_ioprio_set, sys_getppid, sys32_sigaction, sys_sgetmask /*200*/ .word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir .word sys32_readahead, sys32_socketcall, sys32_syslog, sys32_lookup_dcookie, sys32_fadvise64 /*210*/ .word sys32_fadvise64_64, sys32_tgkill, sys32_waitpid, sys_swapoff, sys32_sysinfo - .word sys32_ipc, sys32_sigreturn, sys_clone, sys_nis_syscall, sys32_adjtimex + .word sys32_ipc, sys32_sigreturn, sys_clone, sys32_ioprio_get, sys32_adjtimex /*220*/ .word sys32_sigprocmask, sys_ni_syscall, sys32_delete_module, sys_ni_syscall, sys32_getpgid .word sys32_bdflush, sys32_sysfs, sys_nis_syscall, sys32_setfsuid16, sys32_setfsgid16 /*230*/ .word sys32_select, compat_sys_time, sys_nis_syscall, compat_sys_stime, compat_sys_statfs64 @@ -116,8 +116,8 @@ sys_call_table: .word sys_socketpair, sys_mkdir, sys_rmdir, sys_utimes, sys_stat64 /*140*/ .word sys_sendfile64, sys_getpeername, sys_futex, sys_gettid, sys_getrlimit .word sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write -/*150*/ .word sys_getsockname, sys_nis_syscall, sys_nis_syscall, sys_poll, sys_getdents64 - .word sys_nis_syscall, sys_ni_syscall, sys_statfs, sys_fstatfs, sys_oldumount +/*150*/ .word sys_getsockname, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64 + .word sys_nis_syscall, sys_inotify_rm_watch, sys_statfs, sys_fstatfs, sys_oldumount /*160*/ .word sys_sched_setaffinity, sys_sched_getaffinity, sys_getdomainname, sys_setdomainname, sys_utrap_install .word sys_quotactl, sys_set_tid_address, sys_mount, sys_ustat, sys_setxattr /*170*/ .word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents @@ -125,11 +125,11 @@ sys_call_table: /*180*/ .word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_ni_syscall .word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sparc64_newuname /*190*/ .word sys_init_module, sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl - .word sys_epoll_wait, sys_nis_syscall, sys_getppid, sys_nis_syscall, sys_sgetmask + .word sys_epoll_wait, sys_ioprio_set, sys_getppid, sys_nis_syscall, sys_sgetmask /*200*/ .word sys_ssetmask, sys_nis_syscall, sys_newlstat, sys_uselib, sys_nis_syscall .word sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_fadvise64 /*210*/ .word sys_fadvise64_64, sys_tgkill, sys_waitpid, sys_swapoff, sys_sysinfo - .word sys_ipc, sys_nis_syscall, sys_clone, sys_nis_syscall, sys_adjtimex + .word sys_ipc, sys_nis_syscall, sys_clone, sys_ioprio_get, sys_adjtimex /*220*/ .word sys_nis_syscall, sys_ni_syscall, sys_delete_module, sys_ni_syscall, sys_getpgid .word sys_bdflush, sys_sysfs, sys_nis_syscall, sys_setfsuid, sys_setfsgid /*230*/ .word sys_select, sys_nis_syscall, sys_nis_syscall, sys_stime, sys_statfs64 diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index b40db389f90..362b9c26871 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -73,7 +73,7 @@ static __initdata struct sparc64_tick_ops dummy_tick_ops = { .get_tick = dummy_get_tick, }; -struct sparc64_tick_ops *tick_ops = &dummy_tick_ops; +struct sparc64_tick_ops *tick_ops __read_mostly = &dummy_tick_ops; #define TICK_PRIV_BIT (1UL << 63) @@ -195,7 +195,7 @@ static unsigned long tick_add_tick(unsigned long adj, unsigned long offset) return new_tick; } -static struct sparc64_tick_ops tick_operations = { +static struct sparc64_tick_ops tick_operations __read_mostly = { .init_tick = tick_init_tick, .get_tick = tick_get_tick, .get_compare = tick_get_compare, @@ -276,7 +276,7 @@ static unsigned long stick_add_compare(unsigned long adj) return new_compare; } -static struct sparc64_tick_ops stick_operations = { +static struct sparc64_tick_ops stick_operations __read_mostly = { .init_tick = stick_init_tick, .get_tick = stick_get_tick, .get_compare = stick_get_compare, @@ -422,7 +422,7 @@ static unsigned long hbtick_add_compare(unsigned long adj) return val; } -static struct sparc64_tick_ops hbtick_operations = { +static struct sparc64_tick_ops hbtick_operations __read_mostly = { .init_tick = hbtick_init_tick, .get_tick = hbtick_get_tick, .get_compare = hbtick_get_compare, @@ -437,10 +437,9 @@ static struct sparc64_tick_ops hbtick_operations = { * NOTE: On SUN5 systems the ticker interrupt comes in using 2 * interrupts, one at level14 and one with softint bit 0. */ -unsigned long timer_tick_offset; -unsigned long timer_tick_compare; +unsigned long timer_tick_offset __read_mostly; -static unsigned long timer_ticks_per_nsec_quotient; +static unsigned long timer_ticks_per_nsec_quotient __read_mostly; #define TICK_SIZE (tick_nsec / 1000) @@ -464,7 +463,7 @@ static inline void timer_check_rtc(void) static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs * regs) { - unsigned long ticks, pstate; + unsigned long ticks, compare, pstate; write_seqlock(&xtime_lock); @@ -483,14 +482,14 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs * regs) : "=r" (pstate) : "i" (PSTATE_IE)); - timer_tick_compare = tick_ops->add_compare(timer_tick_offset); + compare = tick_ops->add_compare(timer_tick_offset); ticks = tick_ops->get_tick(); /* Restore PSTATE_IE. */ __asm__ __volatile__("wrpr %0, 0x0, %%pstate" : /* no outputs */ : "r" (pstate)); - } while (time_after_eq(ticks, timer_tick_compare)); + } while (time_after_eq(ticks, compare)); timer_check_rtc(); @@ -506,11 +505,6 @@ void timer_tick_interrupt(struct pt_regs *regs) do_timer(regs); - /* - * Only keep timer_tick_offset uptodate, but don't set TICK_CMPR. - */ - timer_tick_compare = tick_ops->get_compare() + timer_tick_offset; - timer_check_rtc(); write_sequnlock(&xtime_lock); diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index a9f4596d7c2..100b0107c4b 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -2125,6 +2125,8 @@ void __init trap_init(void) TI_PCR != offsetof(struct thread_info, pcr_reg) || TI_CEE_STUFF != offsetof(struct thread_info, cee_stuff) || TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) || + TI_NEW_CHILD != offsetof(struct thread_info, new_child) || + TI_SYS_NOERROR != offsetof(struct thread_info, syscall_noerror) || TI_FPREGS != offsetof(struct thread_info, fpregs) || (TI_FPREGS & (64 - 1))) thread_info_offsets_are_bolixed_dave(); diff --git a/arch/sparc64/kernel/vmlinux.lds.S b/arch/sparc64/kernel/vmlinux.lds.S index 382fd6798bb..950423da8a6 100644 --- a/arch/sparc64/kernel/vmlinux.lds.S +++ b/arch/sparc64/kernel/vmlinux.lds.S @@ -32,6 +32,8 @@ SECTIONS .data1 : { *(.data1) } . = ALIGN(64); .data.cacheline_aligned : { *(.data.cacheline_aligned) } + . = ALIGN(64); + .data.read_mostly : { *(.data.read_mostly) } _edata = .; PROVIDE (edata = .); .fixup : { *(.fixup) } |