diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/Kconfig | 1 | ||||
| -rw-r--r-- | arch/sparc/Makefile | 2 | ||||
| -rw-r--r-- | arch/sparc/include/asm/jump_label.h | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/perf_event.c | 4 | ||||
| -rw-r--r-- | arch/sparc/kernel/process_32.c | 8 | ||||
| -rw-r--r-- | arch/sparc/kernel/process_64.c | 10 | ||||
| -rw-r--r-- | arch/sparc/kernel/sun4m_irq.c | 3 | ||||
| -rw-r--r-- | arch/sparc/lib/divdi3.S | 16 |
8 files changed, 17 insertions, 29 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 96657992a72e..ca5580e4d813 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -33,6 +33,7 @@ config SPARC config SPARC32 def_bool !64BIT select GENERIC_ATOMIC64 + select CLZ_TAB config SPARC64 def_bool 64BIT diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index ad1fb5d969f3..eddcfb36aafb 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -31,7 +31,7 @@ UTS_MACHINE := sparc #KBUILD_CFLAGS += -g -pipe -fcall-used-g5 -fcall-used-g7 KBUILD_CFLAGS += -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 -KBUILD_AFLAGS += -m32 +KBUILD_AFLAGS += -m32 -Wa,-Av8 #LDFLAGS_vmlinux = -N -Ttext 0xf0004000 # Since 2.5.40, the first stage is left not btfix-ed. diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h index fc73a82366f8..5080d16a832f 100644 --- a/arch/sparc/include/asm/jump_label.h +++ b/arch/sparc/include/asm/jump_label.h @@ -7,7 +7,7 @@ #define JUMP_LABEL_NOP_SIZE 4 -static __always_inline bool arch_static_branch(struct jump_label_key *key) +static __always_inline bool arch_static_branch(struct static_key *key) { asm goto("1:\n\t" "nop\n\t" diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 614da624330c..8e16a4a21582 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1105,6 +1105,10 @@ static int sparc_pmu_event_init(struct perf_event *event) if (atomic_read(&nmi_active) < 0) return -ENODEV; + /* does not support taken branch sampling */ + if (has_branch_stack(event)) + return -EOPNOTSUPP; + switch (attr->type) { case PERF_TYPE_HARDWARE: if (attr->config >= sparc_pmu->max_events) diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index f793742eec2b..935fdbcd88c2 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -113,9 +113,7 @@ void cpu_idle(void) while (!need_resched()) cpu_relax(); } - preempt_enable_no_resched(); - schedule(); - preempt_disable(); + schedule_preempt_disabled(); check_pgt_cache(); } } @@ -138,9 +136,7 @@ void cpu_idle(void) while (!need_resched()) cpu_relax(); } - preempt_enable_no_resched(); - schedule(); - preempt_disable(); + schedule_preempt_disabled(); check_pgt_cache(); } } diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index 39d8b05201a2..06b5b5fc20c7 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -104,15 +104,13 @@ void cpu_idle(void) rcu_idle_exit(); tick_nohz_idle_exit(); - preempt_enable_no_resched(); - #ifdef CONFIG_HOTPLUG_CPU - if (cpu_is_offline(cpu)) + if (cpu_is_offline(cpu)) { + sched_preempt_enable_no_resched(); cpu_play_dead(); + } #endif - - schedule(); - preempt_disable(); + schedule_preempt_disabled(); } } diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 422c16dad1f6..e61165161dd3 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -399,6 +399,9 @@ static void __init sun4m_init_timers(irq_handler_t counter_fn) timers_global = (void __iomem *) (unsigned long) addr[num_cpu_timers]; + /* Every per-cpu timer works in timer mode */ + sbus_writel(0x00000000, &timers_global->timer_config); + sbus_writel((((1000000/HZ) + 1) << 10), &timers_global->l10_limit); master_l10_counter = &timers_global->l10_count; diff --git a/arch/sparc/lib/divdi3.S b/arch/sparc/lib/divdi3.S index 681b3683da9e..d74bc0925f2d 100644 --- a/arch/sparc/lib/divdi3.S +++ b/arch/sparc/lib/divdi3.S @@ -17,23 +17,9 @@ along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - .data - .align 8 - .globl __clz_tab -__clz_tab: - .byte 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5 - .byte 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6 - .byte 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 - .byte 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .size __clz_tab,256 - .global .udiv - .text .align 4 + .global .udiv .globl __divdi3 __divdi3: save %sp,-104,%sp |