svn commit: r216333 - head/sys/i386/i386
joel at FreeBSD.org
Sat Dec 18 07:27:56 UTC 2010
On 09-12-2010 20:16, Alan Cox wrote:
> Author: alc
> Date: Thu Dec 9 20:16:00 2010
> New Revision: 216333
> URL: http://svn.freebsd.org/changeset/base/216333
> When r207410 eliminated the acquisition and release of the page queues
> lock from pmap_extract_and_hold(), it didn't take into account that
> pmap_pte_quick() sometimes requires the page queues lock to be held.
> This change reimplements pmap_extract_and_hold() such that it no
> longer uses pmap_pte_quick(), and thus never requires the page queues
> For consistency, adopt the same idiom as used by the new
> implementation of pmap_extract_and_hold() in pmap_extract() and
> pmap_mincore(). It also happens to make these functions shorter.
This commit makes my laptop hang everytime I quit X. I just get a black
screen and the machine won't respond to any keys. Everything works if I
go back to r216330.
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