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Revision d18bbc215f81710e1eab7120becafa910554d68d authored by Andrew Morton on 02 July 2014, 22:22:38 UTC, committed by Linus Torvalds on 03 July 2014, 16:21:54 UTC 
kernel/printk/printk.c: revert "printk: enable interrupts before calling console_trylock_for_printk()"
 
Revert commit 939f04bec1a4 ("printk: enable interrupts before calling
console_trylock_for_printk()").

Andreas reported:

: None of the post 3.15 kernel boot for me. They all hang at the GRUB
: screen telling me it loaded and started the kernel, but the kernel
: itself stops before it prints anything (or even replaces the GRUB
: background graphics).

939f04bec1a4 is modest latency reduction.  Revert it until we understand
the reason for these failures.

Reported-by: Andreas Bombe <aeb@debian.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent e84f1ab
Raw File
namei.c 
/*
 * QNX6 file system, Linux implementation.
 *
 * Version : 1.0.0
 *
 * History :
 *
 * 01-02-2012 by Kai Bankett (chaosman@ontika.net) : first release.
 * 16-02-2012 pagemap extension by Al Viro
 *
 */

#include "qnx6.h"

struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry,
				unsigned int flags)
{
	unsigned ino;
	struct page *page;
	struct inode *foundinode = NULL;
	const char *name = dentry->d_name.name;
	int len = dentry->d_name.len;

	if (len > QNX6_LONG_NAME_MAX)
		return ERR_PTR(-ENAMETOOLONG);

	ino = qnx6_find_entry(len, dir, name, &page);
	if (ino) {
		foundinode = qnx6_iget(dir->i_sb, ino);
		qnx6_put_page(page);
		if (IS_ERR(foundinode)) {
			QNX6DEBUG((KERN_ERR "qnx6: lookup->iget -> "
				" error %ld\n", PTR_ERR(foundinode)));
			return ERR_CAST(foundinode);
		}
	} else {
		QNX6DEBUG((KERN_INFO "qnx6_lookup: not found %s\n", name));
		return NULL;
	}
	d_add(dentry, foundinode);
	return NULL;
}
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