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Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core

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This commit is contained in:
Ingo Molnar
2010-09-15 10:27:31 +02:00
parent 79e406d7b0 57c072c711
commit 3aabae7d9d
599 changed files with 6551 additions and 4419 deletions
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12
arch/powerpc/kernel/head_64.S
View File

@ -575,13 +575,19 @@ __secondary_start:
/* Initialize the kernel stack. Just a repeat for iSeries. */
LOAD_REG_ADDR(r3, current_set)
sldi r28,r24,3 /* get current_set[cpu#] */
ldx r1,r3,r28
addi r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD
std r1,PACAKSAVE(r13)
ldx r14,r3,r28
addi r14,r14,THREAD_SIZE-STACK_FRAME_OVERHEAD
std r14,PACAKSAVE(r13)
/* Do early setup for that CPU (stab, slb, hash table pointer) */
bl .early_setup_secondary
/*
* setup the new stack pointer, but *don't* use this until
* translation is on.
*/
mr r1, r14
/* Clear backchain so we get nice backtraces */
li r7,0
mtlr r7

3
arch/powerpc/kernel/misc_32.S
View File

@ -810,6 +810,9 @@ relocate_new_kernel:
isync
sync
mfspr r3, SPRN_PIR /* current core we are running on */
mr r4, r5 /* load physical address of chunk called */
/* jump to the entry point, usually the setup routine */
mtlr r5
blrl

23
arch/powerpc/kernel/time.c
View File

@ -577,20 +577,11 @@ void timer_interrupt(struct pt_regs * regs)
* some CPUs will continuue to take decrementer exceptions */
set_dec(DECREMENTER_MAX);
#ifdef CONFIG_PPC32
#if defined(CONFIG_PPC32) && defined(CONFIG_PMAC)
if (atomic_read(&ppc_n_lost_interrupts) != 0)
do_IRQ(regs);
#endif
now = get_tb_or_rtc();
if (now < decrementer->next_tb) {
/* not time for this event yet */
now = decrementer->next_tb - now;
if (now <= DECREMENTER_MAX)
set_dec((int)now);
trace_timer_interrupt_exit(regs);
return;
}
old_regs = set_irq_regs(regs);
irq_enter();
@ -606,8 +597,16 @@ void timer_interrupt(struct pt_regs * regs)
get_lppaca()->int_dword.fields.decr_int = 0;
#endif
if (evt->event_handler)
evt->event_handler(evt);
now = get_tb_or_rtc();
if (now >= decrementer->next_tb) {
decrementer->next_tb = ~(u64)0;
if (evt->event_handler)
evt->event_handler(evt);
} else {
now = decrementer->next_tb - now;
if (now <= DECREMENTER_MAX)
set_dec((int)now);
}
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES) && hvlpevent_is_pending())