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Commit d7d1104f authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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[S390] time: convert from bootmem to slab 



The slab allocator is earlier available so convert the
bootmem allocations to slab/gfp allocations.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent f234012f

arch/s390/kernel/time.c

+4 −12
Original line number Diff line number Diff line
@@ -36,7 +36,6 @@ 
#include <linux/notifier.h>

#include <linux/clocksource.h>

#include <linux/clockchips.h>

#include <linux/bootmem.h>

#include <asm/uaccess.h>

#include <asm/delay.h>

#include <asm/s390_ext.h>
@@ -62,9 +61,6 @@ 


u64 sched_clock_base_cc = -1;	/* Force to data section. */



static ext_int_info_t ext_int_info_cc;

static ext_int_info_t ext_int_etr_cc;



static DEFINE_PER_CPU(struct clock_event_device, comparators);



/*
@@ -255,15 +251,11 @@ void __init time_init(void) 
	stp_reset();



	/* request the clock comparator external interrupt */

	if (register_early_external_interrupt(0x1004,

					      clock_comparator_interrupt,

					      &ext_int_info_cc) != 0)

	if (register_external_interrupt(0x1004, clock_comparator_interrupt))

                panic("Couldn't request external interrupt 0x1004");



	/* request the timing alert external interrupt */

	if (register_early_external_interrupt(0x1406,

					      timing_alert_interrupt,

					      &ext_int_etr_cc) != 0)

	if (register_external_interrupt(0x1406, timing_alert_interrupt))

		panic("Couldn't request external interrupt 0x1406");



	if (clocksource_register(&clocksource_tod) != 0)
@@ -1445,14 +1437,14 @@ static void __init stp_reset(void) 
{

	int rc;



	stp_page = alloc_bootmem_pages(PAGE_SIZE);

	stp_page = (void *) get_zeroed_page(GFP_ATOMIC);

	rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000);

	if (rc == 0)

		set_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags);

	else if (stp_online) {

		pr_warning("The real or virtual hardware system does "

			   "not provide an STP interface\n");

		free_bootmem((unsigned long) stp_page, PAGE_SIZE);

		free_page((unsigned long) stp_page);

		stp_page = NULL;

		stp_online = 0;

	}

arch/s390/kernel/vtime.c

+1 −4
Original line number Diff line number Diff line
@@ -25,8 +25,6 @@ 
#include <asm/irq_regs.h>

#include <asm/cputime.h>



static ext_int_info_t ext_int_info_timer;



static DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer);



DEFINE_PER_CPU(struct s390_idle_data, s390_idle) = {
@@ -557,8 +555,7 @@ void init_cpu_vtimer(void) 
void __init vtime_init(void)

{

	/* request the cpu timer external interrupt */

	if (register_early_external_interrupt(0x1005, do_cpu_timer_interrupt,

					      &ext_int_info_timer) != 0)

	if (register_external_interrupt(0x1005, do_cpu_timer_interrupt))

		panic("Couldn't request external interrupt 0x1005");



	/* Enable cpu timer interrupts on the boot cpu. */