On 10/23/2012 08:14, Konstantin Belousov wrote:
On Tue, Oct 23, 2012 at 02:36:07PM +0200, Svatopluk Kraus wrote:
Hi,
I'm just syncing my ARM pmap code (base on i386 one) with current
i386 pmap code. It looks that sched_pin() is missing after successful
rw_try_wlock() in pmap_protect().
Yes, you are right, I think. The following patch takes care of it.
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index ac087f6..b9033da 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -3221,6 +3221,7 @@ resume:
PMAP_UNLOCK(pmap);
goto resume;
}
+ sched_pin();
}
if (!pmap_demote_pde(pmap,
&pmap->pm_pdir[pdirindex], sva)) {
Agreed. Please commit this change.
Alan
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