Re: [kvm-devel] [PATCH 02 of 11] get_task_mm

2008-05-07 Thread Andrea Arcangeli
On Wed, May 07, 2008 at 10:59:48AM -0500, Robin Holt wrote: > You can drop this patch. > > This turned out to be a race in xpmem. It "appeared" as if it were a > race in get_task_mm, but it really is not. The current->mm field is > cleared under the task_lock and the task_lock is grabbed by get_

Re: [kvm-devel] [PATCH 02 of 11] get_task_mm

2008-05-07 Thread Robin Holt
You can drop this patch. This turned out to be a race in xpmem. It "appeared" as if it were a race in get_task_mm, but it really is not. The current->mm field is cleared under the task_lock and the task_lock is grabbed by get_task_mm. I have been testing you v15 version without this patch and n

[kvm-devel] [PATCH 02 of 11] get_task_mm

2008-05-07 Thread Andrea Arcangeli
# HG changeset patch # User Andrea Arcangeli <[EMAIL PROTECTED]> # Date 1210115127 -7200 # Node ID c5badbefeee07518d9d1acca13e94c981420317c # Parent e20917dcc8284b6a07cfcced13dda4cbca850a9c get_task_mm get_task_mm should not succeed if mmput() is running and has reduced the mm_users count to zero

[kvm-devel] [PATCH 02 of 11] get_task_mm

2008-05-02 Thread Andrea Arcangeli
# HG changeset patch # User Andrea Arcangeli <[EMAIL PROTECTED]> # Date 1209740185 -7200 # Node ID c85c85c4be165eb6de16136bb97cf1fa7fd5c88f # Parent 1489529e7b53d3f2dab8431372aa4850ec821caa get_task_mm get_task_mm should not succeed if mmput() is running and has reduced the mm_users count to zero