/*
 * lib/bust_spinlocks.c
 *
 * Provides a minimal bust_spinlocks for architectures which don't have one of their own.
 *
 * bust_spinlocks() clears any spinlocks which would prevent oops, die(), BUG()
 * and panic() information from reaching the user.
 */

#include <linux/kernel.h>
#include <linux/printk.h>
#include <linux/spinlock.h>
#include <linux/tty.h>
#include <linux/wait.h>
#include <linux/vt_kern.h>
#include <linux/console.h>


void __attribute__((weak)) bust_spinlocks(int yes)
{
	if (yes) {
		++oops_in_progress;
	} else {
#ifdef CONFIG_VT
		unblank_screen();
#endif
		console_unblank();
		if (--oops_in_progress == 0)
			wake_up_klogd();
	}
}
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=497de07d89c1410d76a15bec2bb41f24a2a89f31'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/fs?id=497de07d89c1410d76a15bec2bb41f24a2a89f31'>fs</a>/<a href='/cgit.cgi/linux/net-next.git/commit/fs/befs?id=497de07d89c1410d76a15bec2bb41f24a2a89f31'>befs</a>/<a href='/cgit.cgi/linux/net-next.git/commit/fs/befs/TODO?id=497de07d89c1410d76a15bec2bb41f24a2a89f31'>TODO</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='497de07d89c1410d76a15bec2bb41f24a2a89f31'/><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>Gu Zheng &lt;guzheng1@huawei.com&gt;</td><td class='right'>2017-01-09 09:34:48 +0800</td></tr>
<tr><th>committer</th><td>Al Viro &lt;viro@zeniv.linux.org.uk&gt;</td><td class='right'>2017-01-10 01:29:48 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/fs/befs/TODO?id=497de07d89c1410d76a15bec2bb41f24a2a89f31'>497de07d89c1410d76a15bec2bb41f24a2a89f31</a> (<a href='/cgit.cgi/linux/net-next.git/patch/fs/befs/TODO?id=497de07d89c1410d76a15bec2bb41f24a2a89f31'>patch</a>)</td></tr>
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<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/fs/befs/TODO?id=b4b8664d291ac1998e0f0bcdc96b6397f0fe68b3'>b4b8664d291ac1998e0f0bcdc96b6397f0fe68b3</a> (<a href='/cgit.cgi/linux/net-next.git/diff/fs/befs/TODO?id=497de07d89c1410d76a15bec2bb41f24a2a89f31&amp;id2=b4b8664d291ac1998e0f0bcdc96b6397f0fe68b3'>diff</a>)</td></tr></table>
<div class='commit-subject'>tmpfs: clear S_ISGID when setting posix ACLs</div><div class='commit-msg'>This change was missed the tmpfs modification in In CVE-2016-7097
commit 073931017b49 ("posix_acl: Clear SGID bit when setting
file permissions")
It can test by xfstest generic/375, which failed to clear
setgid bit in the following test case on tmpfs:

  touch $testfile
  chown 100:100 $testfile
  chmod 2755 $testfile
  _runas -u 100 -g 101 -- setfacl -m u::rwx,g::rwx,o::rwx $testfile

Signed-off-by: Gu Zheng &lt;guzheng1@huawei.com&gt;
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=497de07d89c1410d76a15bec2bb41f24a2a89f31'>Diffstat</a> (limited to 'fs/befs/TODO')</div><table summary='diffstat' class='diffstat'>