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Commit b76a1e4f authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] qdio: free indicator after reset is finished
  [S390] nmi: fix clock comparator revalidation
parents 78daa87b 4814a2b3

arch/s390/kernel/nmi.c

+4 −6
Original line number Original line Diff line number Diff line
@@ -95,7 +95,6 @@ EXPORT_SYMBOL_GPL(s390_handle_mcck); 
static int notrace s390_revalidate_registers(struct mci *mci)

static int notrace s390_revalidate_registers(struct mci *mci)

{

{

	int kill_task;

	int kill_task;

	u64 tmpclock;

	u64 zero;

	u64 zero;

	void *fpt_save_area, *fpt_creg_save_area;

	void *fpt_save_area, *fpt_creg_save_area;
@@ -214,11 +213,10 @@ static int notrace s390_revalidate_registers(struct mci *mci) 
			: "0", "cc");

			: "0", "cc");

#endif

#endif

	/* Revalidate clock comparator register */

	/* Revalidate clock comparator register */

	asm volatile(

	if (S390_lowcore.clock_comparator == -1)

		"	stck	0(%1)\n"

		set_clock_comparator(S390_lowcore.mcck_clock);

		"	sckc	0(%1)"

	else

		: "=m" (tmpclock) : "a" (&(tmpclock)) : "cc", "memory");

		set_clock_comparator(S390_lowcore.clock_comparator);



	/* Check if old PSW is valid */

	/* Check if old PSW is valid */

	if (!mci->wp)

	if (!mci->wp)

		/*

		/*

arch/s390/lib/delay.c

+9 −5
Original line number Original line Diff line number Diff line
@@ -29,17 +29,21 @@ static void __udelay_disabled(unsigned long long usecs) 
{

{

	unsigned long mask, cr0, cr0_saved;

	unsigned long mask, cr0, cr0_saved;

	u64 clock_saved;

	u64 clock_saved;

	u64 end;





	mask = psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_EXT;

	end = get_clock() + (usecs << 12);

	clock_saved = local_tick_disable();

	clock_saved = local_tick_disable();

	set_clock_comparator(get_clock() + (usecs << 12));

	__ctl_store(cr0_saved, 0, 0);

	__ctl_store(cr0_saved, 0, 0);

	cr0 = (cr0_saved & 0xffff00e0) | 0x00000800;

	cr0 = (cr0_saved & 0xffff00e0) | 0x00000800;

	__ctl_load(cr0 , 0, 0);

	__ctl_load(cr0 , 0, 0);

	mask = psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_EXT;

	lockdep_off();

	lockdep_off();

	do {

		set_clock_comparator(end);

		trace_hardirqs_on();

		trace_hardirqs_on();

		__load_psw_mask(mask);

		__load_psw_mask(mask);

		local_irq_disable();

		local_irq_disable();

	} while (get_clock() < end);

	lockdep_on();

	lockdep_on();

	__ctl_load(cr0_saved, 0, 0);

	__ctl_load(cr0_saved, 0, 0);

	local_tick_enable(clock_saved);

	local_tick_enable(clock_saved);

drivers/s390/cio/qdio_thinint.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -292,8 +292,8 @@ void qdio_shutdown_thinint(struct qdio_irq *irq_ptr) 
		return;

		return;





	/* reset adapter interrupt indicators */

	/* reset adapter interrupt indicators */

	put_indicator(irq_ptr->dsci);

	set_subchannel_ind(irq_ptr, 1);

	set_subchannel_ind(irq_ptr, 1);

	put_indicator(irq_ptr->dsci);

}

}





void __exit tiqdio_unregister_thinints(void)

void __exit tiqdio_unregister_thinints(void)