/*
 * Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */
#define VEC_MAX 128
#define VSX_MAX 32
#define VMX_MAX 32

/*
 * unsigned long vsx[32]
 * unsigned long load[128]
 */
int validate_vsx(unsigned long *vsx, unsigned long *load)
{
	int i;

	for (i = 0; i < VSX_MAX; i++) {
		if (vsx[i] != load[2 * i + 1]) {
			printf("vsx[%d]: %lx load[%d] %lx\n",
					i, vsx[i], 2 * i + 1, load[2 * i + 1]);
			return TEST_FAIL;
		}
	}
	return TEST_PASS;
}

/*
 * unsigned long vmx[32][2]
 * unsigned long load[128]
 */
int validate_vmx(unsigned long vmx[][2], unsigned long *load)
{
	int i;

	for (i = 0; i < VMX_MAX; i++) {
		#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		if ((vmx[i][0] != load[64 + 2 * i]) ||
				(vmx[i][1] != load[65 + 2 * i])) {
			printf("vmx[%d][0]: %lx load[%d] %lx\n",
					i, vmx[i][0], 64 + 2 * i,
					load[64 + 2 * i]);
			printf("vmx[%d][1]: %lx load[%d] %lx\n",
					i, vmx[i][1], 65 + 2 * i,
					load[65 + 2 * i]);
			return TEST_FAIL;
		}
		#else  /*
			* In LE each value pair is stored in an
			* alternate manner.
			*/
		if ((vmx[i][0] != load[65 + 2 * i]) ||
				(vmx[i][1] != load[64 + 2 * i])) {
			printf("vmx[%d][0]: %lx load[%d] %lx\n",
					i, vmx[i][0], 65 + 2 * i,
					load[65 + 2 * i]);
			printf("vmx[%d][1]: %lx load[%d] %lx\n",
					i, vmx[i][1], 64 + 2 * i,
					load[64 + 2 * i]);
			return TEST_FAIL;
		}
		#endif
	}
	return TEST_PASS;
}

/*
 * unsigned long store[128]
 * unsigned long load[128]
 */
int compare_vsx_vmx(unsigned long *store, unsigned long *load)
{
	int i;

	for (i = 0; i < VSX_MAX; i++) {
		if (store[1 + 2 * i] != load[1 + 2 * i]) {
			printf("store[%d]: %lx load[%d] %lx\n",
					1 + 2 * i, store[i],
					1 + 2 * i, load[i]);
			return TEST_FAIL;
		}
	}

	#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
	for (i = 64; i < VEC_MAX; i++) {
		if (store[i] != load[i]) {
			printf("store[%d]: %lx load[%d] %lx\n",
					i, store[i], i, load[i]);
			return TEST_FAIL;
		}
	}
	#else	/* In LE each value pair is stored in an alternate manner */
	for (i = 64; i < VEC_MAX; i++) {
		if (!(i % 2) && (store[i] != load[i+1])) {
			printf("store[%d]: %lx load[%d] %lx\n",
					i, store[i], i+1, load[i+1]);
			return TEST_FAIL;
		}
		if ((i % 2) && (store[i] != load[i-1])) {
			printf("here store[%d]: %lx load[%d] %lx\n",
					i, store[i], i-1, load[i-1]);
			return TEST_FAIL;
		}
	}
	#endif
	return TEST_PASS;
}

void load_vsx_vmx(unsigned long *load, unsigned long *vsx,
		unsigned long vmx[][2])
{
	int i;

	for (i = 0; i < VSX_MAX; i++)
		vsx[i] = load[1 + 2 * i];

	for (i = 0; i < VMX_MAX; i++) {
		vmx[i][0] = load[64 + 2 * i];
		vmx[i][1] = load[65 + 2 * i];
	}
}

void loadvsx(void *p, int tmp);
void storevsx(void *p, int tmp);
t.cgi/linux/net-next.git/commit/fs/nfsd/nfssvc.c?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>nfssvc.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='07cd12945551b63ecb1a349d50a6d69d1d6feb4a'/><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><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Tejun Heo &lt;tj@kernel.org&gt;</td><td class='right'>2017-01-26 16:47:28 -0500</td></tr>
<tr><th>committer</th><td>Tejun Heo &lt;tj@kernel.org&gt;</td><td class='right'>2017-01-26 16:47:28 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/fs/nfsd/nfssvc.c?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>07cd12945551b63ecb1a349d50a6d69d1d6feb4a</a> (<a href='/cgit.cgi/linux/net-next.git/patch/fs/nfsd/nfssvc.c?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>75f65eba7eac9277971082a2d5a4cf1370562c0c</a> /<a href='/cgit.cgi/linux/net-next.git/tree/fs/nfsd/nfssvc.c?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>fs/nfsd/nfssvc.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/fs/nfsd/nfssvc.c?id=7ce7d89f48834cefece7804d38fc5d85382edf77'>7ce7d89f48834cefece7804d38fc5d85382edf77</a> (<a href='/cgit.cgi/linux/net-next.git/diff/fs/nfsd/nfssvc.c?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a&amp;id2=7ce7d89f48834cefece7804d38fc5d85382edf77'>diff</a>)</td></tr></table>
<div class='commit-subject'>cgroup: don't online subsystems before cgroup_name/path() are operational</div><div class='commit-msg'>While refactoring cgroup creation, a5bca2152036 ("cgroup: factor out
cgroup_create() out of cgroup_mkdir()") incorrectly onlined subsystems
before the new cgroup is associated with it kernfs_node.  This is fine
for cgroup proper but cgroup_name/path() depend on the associated
kernfs_node and if a subsystem makes the new cgroup_subsys_state
visible, which they're allowed to after onlining, it can lead to NULL
dereference.

The current code performs cgroup creation and subsystem onlining in
cgroup_create() and cgroup_mkdir() makes the cgroup and subsystems
visible afterwards.  There's no reason to online the subsystems early
and we can simply drop cgroup_apply_control_enable() call from
cgroup_create() so that the subsystems are onlined and made visible at
the same time.

Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
Reported-by: Konstantin Khlebnikov &lt;khlebnikov@yandex-team.ru&gt;
Fixes: a5bca2152036 ("cgroup: factor out cgroup_create() out of cgroup_mkdir()") 
Cc: stable@vger.kernel.org # v4.6+
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>Diffstat</a> (limited to 'fs/nfsd/nfssvc.c')</div><table summary='diffstat' class='diffstat'>