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File: [Development] / linux-2.6-xfs / arch / s390 / kernel / diag.c (download)

Revision 1.1, Wed Sep 12 17:09:56 2007 UTC (10 years, 1 month ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD

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.

/*
 * Implementation of s390 diagnose codes
 *
 * Copyright IBM Corp. 2007
 * Author(s): Michael Holzheu <holzheu@de.ibm.com>
 */

#include <linux/module.h>
#include <asm/diag.h>

/*
 * Diagnose 10: Release pages
 */
void diag10(unsigned long addr)
{
	if (addr >= 0x7ff00000)
		return;
	asm volatile(
#ifdef CONFIG_64BIT
		"	sam31\n"
		"	diag	%0,%0,0x10\n"
		"0:	sam64\n"
#else
		"	diag	%0,%0,0x10\n"
		"0:\n"
#endif
		EX_TABLE(0b, 0b)
		: : "a" (addr));
}
EXPORT_SYMBOL(diag10);

/*
 * Diagnose 14: Input spool file manipulation
 */
int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode)
{
	register unsigned long _ry1 asm("2") = ry1;
	register unsigned long _ry2 asm("3") = subcode;
	int rc = 0;

	asm volatile(
#ifdef CONFIG_64BIT
		"   sam31\n"
		"   diag    %2,2,0x14\n"
		"   sam64\n"
#else
		"   diag    %2,2,0x14\n"
#endif
		"   ipm     %0\n"
		"   srl     %0,28\n"
		: "=d" (rc), "+d" (_ry2)
		: "d" (rx), "d" (_ry1)
		: "cc");

	return rc;
}
EXPORT_SYMBOL(diag14);

/*
 * Diagnose 210: Get information about a virtual device
 */
int diag210(struct diag210 *addr)
{
	/*
	 * diag 210 needs its data below the 2GB border, so we
	 * use a static data area to be sure
	 */
	static struct diag210 diag210_tmp;
	static DEFINE_SPINLOCK(diag210_lock);
	unsigned long flags;
	int ccode;

	spin_lock_irqsave(&diag210_lock, flags);
	diag210_tmp = *addr;

#ifdef CONFIG_64BIT
	asm volatile(
		"	lhi	%0,-1\n"
		"	sam31\n"
		"	diag	%1,0,0x210\n"
		"0:	ipm	%0\n"
		"	srl	%0,28\n"
		"1:	sam64\n"
		EX_TABLE(0b, 1b)
		: "=&d" (ccode) : "a" (&diag210_tmp) : "cc", "memory");
#else
	asm volatile(
		"	lhi	%0,-1\n"
		"	diag	%1,0,0x210\n"
		"0:	ipm	%0\n"
		"	srl	%0,28\n"
		"1:\n"
		EX_TABLE(0b, 1b)
		: "=&d" (ccode) : "a" (&diag210_tmp) : "cc", "memory");
#endif

	*addr = diag210_tmp;
	spin_unlock_irqrestore(&diag210_lock, flags);

	return ccode;
}
EXPORT_SYMBOL(diag210);