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File: [Development] / linux-2.6-xfs / arch / sparc / kernel / tick14.c (download)

Revision 1.5, Wed Sep 12 17:09:56 2007 UTC (10 years, 1 month ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.4: +4 -2 lines 

Update 2.6.x-xfs to 2.6.23-rc4.

Also update fs/xfs with external mainline changes.
There were 12 such missing commits that I detected:

--------
commit ad690ef9e690f6c31f7d310b09ef1314bcec9033
Author: Al Viro <viro@ftp.linux.org.uk>
    xfs ioctl __user annotations

commit 20c2df83d25c6a95affe6157a4c9cac4cf5ffaac
Author: Paul Mundt <lethal@linux-sh.org>
    mm: Remove slab destructors from kmem_cache_create().

commit d0217ac04ca6591841e5665f518e38064f4e65bd
Author: Nick Piggin <npiggin@suse.de>
    mm: fault feedback #1

commit 54cb8821de07f2ffcd28c380ce9b93d5784b40d7
Author: Nick Piggin <npiggin@suse.de>
    mm: merge populate and nopage into fault (fixes nonlinear)

commit d00806b183152af6d24f46f0c33f14162ca1262a
Author: Nick Piggin <npiggin@suse.de>
    mm: fix fault vs invalidate race for linear mappings

commit a569425512253992cc64ebf8b6d00a62f986db3e
Author: Christoph Hellwig <hch@infradead.org>
    knfsd: exportfs: add exportfs.h header

commit 831441862956fffa17b9801db37e6ea1650b0f69
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Freezer: make kernel threads nonfreezable by default

commit 8e1f936b73150f5095448a0fee6d4f30a1f9001d
Author: Rusty Russell <rusty@rustcorp.com.au>
    mm: clean up and kernelify shrinker registration

commit 5ffc4ef45b3b0a57872f631b4e4ceb8ace0d7496
Author: Jens Axboe <jens.axboe@oracle.com>
    sendfile: remove .sendfile from filesystems that use generic_file_sendfile()

commit 8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Add suspend-related notifications for CPU hotplug

commit 59c51591a0ac7568824f541f57de967e88adaa07
Author: Michael Opdenacker <michael@free-electrons.com>
    Fix occurrences of "the the "

commit 0ceb331433e8aad9c5f441a965d7c681f8b9046f
Author: Dmitriy Monakhov <dmonakhov@openvz.org>
    mm: move common segment checks to separate helper function
--------
Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.

/* tick14.c
 * linux/arch/sparc/kernel/tick14.c
 *
 * Copyright (C) 1996 David Redman (djhr@tadpole.co.uk)
 *
 * This file handles the Sparc specific level14 ticker
 * This is really useful for profiling OBP uses it for keyboard
 * aborts and other stuff.
 *
 *
 */
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/timex.h>
#include <linux/interrupt.h>

#include <asm/oplib.h>
#include <asm/timer.h>
#include <asm/mostek.h>
#include <asm/system.h>
#include <asm/irq.h>
#include <asm/io.h>

#include "irq.h"

extern unsigned long lvl14_save[5];
static unsigned long *linux_lvl14 = NULL;
static unsigned long obp_lvl14[4];
 
/*
 * Call with timer IRQ closed.
 * First time we do it with disable_irq, later prom code uses spin_lock_irq().
 */
void install_linux_ticker(void)
{

	if (!linux_lvl14)
		return;
	linux_lvl14[0] =  lvl14_save[0];
	linux_lvl14[1] =  lvl14_save[1];
	linux_lvl14[2] =  lvl14_save[2];
	linux_lvl14[3] =  lvl14_save[3];
}

void install_obp_ticker(void)
{

	if (!linux_lvl14)
		return;
	linux_lvl14[0] =  obp_lvl14[0];
	linux_lvl14[1] =  obp_lvl14[1];
	linux_lvl14[2] =  obp_lvl14[2];
	linux_lvl14[3] =  obp_lvl14[3]; 
}

void claim_ticker14(irq_handler_t handler,
		    int irq_nr, unsigned int timeout )
{
	int cpu = smp_processor_id();

	/* first we copy the obp handler instructions
	 */
	__disable_irq(irq_nr);
	if (!handler)
		return;
    
	linux_lvl14 = (unsigned long *)lvl14_save[4];
	obp_lvl14[0] = linux_lvl14[0];
	obp_lvl14[1] = linux_lvl14[1];
	obp_lvl14[2] = linux_lvl14[2];
	obp_lvl14[3] = linux_lvl14[3];

	if (!request_irq(irq_nr,
			 handler,
			 (IRQF_DISABLED | SA_STATIC_ALLOC),
			 "counter14",
			 NULL)) {
		install_linux_ticker();
		load_profile_irq(cpu, timeout);
		__enable_irq(irq_nr);
	}
}