diff options
Diffstat (limited to 'arch/sparc')
-rw-r--r-- | arch/sparc/include/asm/switch_to_64.h | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/cpumap.c | 1 | ||||
-rw-r--r-- | arch/sparc/kernel/entry.S | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/kgdb_64.c | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/ktlb.S | 3 | ||||
-rw-r--r-- | arch/sparc/kernel/ptrace_64.c | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/setup_64.c | 12 | ||||
-rw-r--r-- | arch/sparc/kernel/syscalls.S | 12 | ||||
-rw-r--r-- | arch/sparc/kernel/trampoline_64.S | 2 | ||||
-rw-r--r-- | arch/sparc/lib/ksyms.c | 9 |
10 files changed, 24 insertions, 29 deletions
diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h index c7de3323819c..8d284801f232 100644 --- a/arch/sparc/include/asm/switch_to_64.h +++ b/arch/sparc/include/asm/switch_to_64.h @@ -48,8 +48,8 @@ do { save_and_clear_fpu(); \ "wrpr %%g0, 14, %%pil\n\t" \ "brz,pt %%o7, switch_to_pc\n\t" \ " mov %%g7, %0\n\t" \ - "sethi %%hi(ret_from_syscall), %%g1\n\t" \ - "jmpl %%g1 + %%lo(ret_from_syscall), %%g0\n\t" \ + "sethi %%hi(ret_from_fork), %%g1\n\t" \ + "jmpl %%g1 + %%lo(ret_from_fork), %%g0\n\t" \ " nop\n\t" \ ".globl switch_to_pc\n\t" \ "switch_to_pc:\n\t" \ diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c index e4de74c2c9b0..cb5d272d658a 100644 --- a/arch/sparc/kernel/cpumap.c +++ b/arch/sparc/kernel/cpumap.c @@ -327,6 +327,7 @@ static int iterate_cpu(struct cpuinfo_tree *t, unsigned int root_index) case SUN4V_CHIP_NIAGARA3: case SUN4V_CHIP_NIAGARA4: case SUN4V_CHIP_NIAGARA5: + case SUN4V_CHIP_SPARC64X: rover_inc_table = niagara_iterate_method; break; default: diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index e2a030045089..33c02b15f478 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -839,7 +839,7 @@ sys_sigreturn: nop call syscall_trace - nop + mov 1, %o1 1: /* We don't want to muck with user registers like a diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c index c8759550799f..53c0a82e6030 100644 --- a/arch/sparc/kernel/kgdb_64.c +++ b/arch/sparc/kernel/kgdb_64.c @@ -42,7 +42,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) { struct thread_info *t = task_thread_info(p); extern unsigned int switch_to_pc; - extern unsigned int ret_from_syscall; + extern unsigned int ret_from_fork; struct reg_window *win; unsigned long pc, cwp; int i; @@ -66,7 +66,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) gdb_regs[i] = 0; if (t->new_child) - pc = (unsigned long) &ret_from_syscall; + pc = (unsigned long) &ret_from_fork; else pc = (unsigned long) &switch_to_pc; diff --git a/arch/sparc/kernel/ktlb.S b/arch/sparc/kernel/ktlb.S index 0746e5e32b37..fde5a419cf27 100644 --- a/arch/sparc/kernel/ktlb.S +++ b/arch/sparc/kernel/ktlb.S @@ -25,11 +25,10 @@ kvmap_itlb: */ kvmap_itlb_4v: -kvmap_itlb_nonlinear: /* Catch kernel NULL pointer calls. */ sethi %hi(PAGE_SIZE), %g5 cmp %g4, %g5 - bleu,pn %xcc, kvmap_dtlb_longpath + blu,pn %xcc, kvmap_itlb_longpath nop KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_itlb_load) diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index 7ff45e4ba681..773c1f2983ce 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -14,6 +14,7 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/errno.h> +#include <linux/export.h> #include <linux/ptrace.h> #include <linux/user.h> #include <linux/smp.h> @@ -116,6 +117,7 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, preempt_enable(); } +EXPORT_SYMBOL_GPL(flush_ptrace_access); static int get_from_target(struct task_struct *target, unsigned long uaddr, void *kbuf, int len) @@ -1087,7 +1089,7 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs) audit_syscall_exit(regs); if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) - trace_sys_exit(regs, regs->u_regs[UREG_G1]); + trace_sys_exit(regs, regs->u_regs[UREG_I0]); if (test_thread_flag(TIF_SYSCALL_TRACE)) tracehook_report_syscall_exit(regs, 0); diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 13785547e435..3fdb455e3318 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -499,12 +499,14 @@ static void __init init_sparc64_elf_hwcap(void) sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA5) + sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || + sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= HWCAP_SPARC_BLKINIT; if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA5) + sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || + sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= HWCAP_SPARC_N2; } @@ -530,13 +532,15 @@ static void __init init_sparc64_elf_hwcap(void) if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA5) + sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || + sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 | AV_SPARC_ASI_BLK_INIT | AV_SPARC_POPC); if (sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA5) + sun4v_chip_type == SUN4V_CHIP_NIAGARA5 || + sun4v_chip_type == SUN4V_CHIP_SPARC64X) cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC | AV_SPARC_FMAF); } diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S index 22a1098961f5..d950197a17e1 100644 --- a/arch/sparc/kernel/syscalls.S +++ b/arch/sparc/kernel/syscalls.S @@ -98,8 +98,8 @@ sys_clone: ba,pt %xcc, sparc_do_fork add %sp, PTREGS_OFF, %o2 - .globl ret_from_syscall -ret_from_syscall: + .globl ret_from_fork +ret_from_fork: /* Clear current_thread_info()->new_child. */ stb %g0, [%g6 + TI_NEW_CHILD] call schedule_tail @@ -152,7 +152,7 @@ linux_syscall_trace32: srl %i4, 0, %o4 srl %i1, 0, %o1 srl %i2, 0, %o2 - ba,pt %xcc, 2f + ba,pt %xcc, 5f srl %i3, 0, %o3 linux_syscall_trace: @@ -182,13 +182,13 @@ linux_sparc_syscall32: srl %i1, 0, %o1 ! IEU0 Group ldx [%g6 + TI_FLAGS], %l0 ! Load - srl %i5, 0, %o5 ! IEU1 + srl %i3, 0, %o3 ! IEU0 srl %i2, 0, %o2 ! IEU0 Group andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0 bne,pn %icc, linux_syscall_trace32 ! CTI mov %i0, %l5 ! IEU1 - call %l7 ! CTI Group brk forced - srl %i3, 0, %o3 ! IEU0 +5: call %l7 ! CTI Group brk forced + srl %i5, 0, %o5 ! IEU1 ba,a,pt %xcc, 3f /* Linux native system calls enter here... */ diff --git a/arch/sparc/kernel/trampoline_64.S b/arch/sparc/kernel/trampoline_64.S index e0b1e13a0736..ad4bde3bb61e 100644 --- a/arch/sparc/kernel/trampoline_64.S +++ b/arch/sparc/kernel/trampoline_64.S @@ -129,7 +129,6 @@ startup_continue: clr %l5 sethi %hi(num_kernel_image_mappings), %l6 lduw [%l6 + %lo(num_kernel_image_mappings)], %l6 - add %l6, 1, %l6 mov 15, %l7 BRANCH_IF_ANY_CHEETAH(g1,g5,2f) @@ -222,7 +221,6 @@ niagara_lock_tlb: clr %l5 sethi %hi(num_kernel_image_mappings), %l6 lduw [%l6 + %lo(num_kernel_image_mappings)], %l6 - add %l6, 1, %l6 1: mov HV_FAST_MMU_MAP_PERM_ADDR, %o5 diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c index 0c4e35e522fa..323335b9cd2b 100644 --- a/arch/sparc/lib/ksyms.c +++ b/arch/sparc/lib/ksyms.c @@ -98,15 +98,6 @@ EXPORT_SYMBOL(___copy_from_user); EXPORT_SYMBOL(___copy_in_user); EXPORT_SYMBOL(__clear_user); -/* RW semaphores */ -EXPORT_SYMBOL(__down_read); -EXPORT_SYMBOL(__down_read_trylock); -EXPORT_SYMBOL(__down_write); -EXPORT_SYMBOL(__down_write_trylock); -EXPORT_SYMBOL(__up_read); -EXPORT_SYMBOL(__up_write); -EXPORT_SYMBOL(__downgrade_write); - /* Atomic counter implementation. */ EXPORT_SYMBOL(atomic_add); EXPORT_SYMBOL(atomic_add_ret); |