/*
 * Copyright (c) 2014-2016, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */
#include "test/nfit_test.h"
#include <linux/blkdev.h>
#include <pmem.h>
#include <nd.h>

long pmem_direct_access(struct block_device *bdev, sector_t sector,
		void **kaddr, pfn_t *pfn, long size)
{
	struct pmem_device *pmem = bdev->bd_queue->queuedata;
	resource_size_t offset = sector * 512 + pmem->data_offset;

	if (unlikely(is_bad_pmem(&pmem->bb, sector, size)))
		return -EIO;

	/*
	 * Limit dax to a single page at a time given vmalloc()-backed
	 * in the nfit_test case.
	 */
	if (get_nfit_res(pmem->phys_addr + offset)) {
		struct page *page;

		*kaddr = pmem->virt_addr + offset;
		page = vmalloc_to_page(pmem->virt_addr + offset);
		*pfn = page_to_pfn_t(page);
		dev_dbg_ratelimited(disk_to_dev(bdev->bd_disk)->parent,
				"%s: sector: %#llx pfn: %#lx\n", __func__,
				(unsigned long long) sector, page_to_pfn(page));

		return PAGE_SIZE;
	}

	*kaddr = pmem->virt_addr + offset;
	*pfn = phys_to_pfn_t(pmem->phys_addr + offset, pmem->pfn_flags);

	/*
	 * If badblocks are present, limit known good range to the
	 * requested range.
	 */
	if (unlikely(pmem->bb.count))
		return size;
	return pmem->size - pmem->pfn_pad - offset;
}
fs</a><a href='/cgit.cgi/linux/net-next.git/log/sound/soc/intel/common/sst-acpi.c'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/sound/soc/intel/common/sst-acpi.c?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/intel/common/sst-acpi.c?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>commit</a><a class='active' href='/cgit.cgi/linux/net-next.git/diff/sound/soc/intel/common/sst-acpi.c?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/soc/intel/common/sst-acpi.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>soc</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/intel?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>intel</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/intel/common?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>common</a>/<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/intel/common/sst-acpi.c?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>sst-acpi.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='c8f325a59cfc718d13a50fbc746ed9b415c25e92'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=c8f325a59cfc718d13a50fbc746ed9b415c25e92'>Diffstat</a> (limited to 'sound/soc/intel/common/sst-acpi.c')</div><table summary='diffstat' class='diffstat'>>
<tr><th>author</th><td>Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;</td><td class='right'>2017-01-24 08:05:52 +0100</td></tr>
<tr><th>committer</th><td>Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;</td><td class='right'>2017-01-24 08:33:40 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/memfd/memfd_test.c?id=9dce990d2cf57b5ed4e71a9cdbd7eae4335111ff'>9dce990d2cf57b5ed4e71a9cdbd7eae4335111ff</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/testing/selftests/memfd/memfd_test.c?id=9dce990d2cf57b5ed4e71a9cdbd7eae4335111ff'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=9dce990d2cf57b5ed4e71a9cdbd7eae4335111ff'>dfc3c82b1c6ddec3df7c0ebfcef53928d2ed2f4c</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/testing/selftests/memfd/memfd_test.c?id=9dce990d2cf57b5ed4e71a9cdbd7eae4335111ff'>tools/testing/selftests/memfd/memfd_test.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/memfd/memfd_test.c?id=a4685d2f58e2230d4e27fb2ee581d7ea35e5d046'>a4685d2f58e2230d4e27fb2ee581d7ea35e5d046</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/testing/selftests/memfd/memfd_test.c?id=9dce990d2cf57b5ed4e71a9cdbd7eae4335111ff&amp;id2=a4685d2f58e2230d4e27fb2ee581d7ea35e5d046'>diff</a>)</td></tr></table>
<div class='commit-subject'>s390/ptrace: Preserve previous registers for short regset write</div><div class='commit-msg'>Ensure that if userspace supplies insufficient data to
PTRACE_SETREGSET to fill all the registers, the thread's old
registers are preserved.

convert_vx_to_fp() is adapted to handle only a specified number of
registers rather than unconditionally handling all of them: other
callers of this function are adapted appropriately.

Based on an initial patch by Dave Martin.

Cc: stable@vger.kernel.org
Reported-by: Dave Martin &lt;Dave.Martin@arm.com&gt;
Signed-off-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=9dce990d2cf57b5ed4e71a9cdbd7eae4335111ff'>Diffstat</a> (limited to 'tools/testing/selftests/memfd/memfd_test.c')</div><table summary='diffstat' class='diffstat'>