On Thu, 13 Dec 2007 17:58:02 +0530 Gautham R Shenoy <[email protected]> wrote:
> Hi Andrew,
> On Thu, Dec 13, 2007 at 02:40:50AM -0800, Andrew Morton wrote:
> >
> >
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc5/2.6.24-rc5-mm1/
> >
> > - If something goes wrong with a PCI device's probing or initialisation, try
> > reverting pci-disable-decoding-during-sizing-of-bars.patch.
> >
> > - git-sched was dropped due to breaking suspend-to-RAM.
>
> Is it the same suspend-to-RAM problem that Jiri Slaby reported
> here --> http://lkml.org/lkml/2007/12/7/125
>
> The problem has been identified and a fix patch was provided.
>
Here we go...
From: Andrew Morton <[email protected]>
Revert from git-sched:
commit 9e76ad89f4fa93a789326bc0f4548cd2fbca8d8e
Author: Gregory Haskins <[email protected]>
Date: Thu Dec 13 21:35:26 2007 +0100
sched: update root-domain spans upon departure
We shouldnt leave cpus enabled in the spans if that RQ has left the domain.
Signed-off-by: Gregory Haskins <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
As it causes my t61p to fail to come back to life after suspend-to-RAM.
Cc: Gautham R Shenoy <[email protected]>
Cc: Gregory Haskins <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
kernel/sched.c | 3 ---
1 file changed, 3 deletions(-)
diff -puN kernel/sched.c~revert-sched-update-root-domain-spans-upon-departure kernel/sched.c
--- a/kernel/sched.c~revert-sched-update-root-domain-spans-upon-departure
+++ a/kernel/sched.c
@@ -5854,9 +5854,6 @@ static void rq_attach_root(struct rq *rq
class->leave_domain(rq);
}
- cpu_clear(rq->cpu, old_rd->span);
- cpu_clear(rq->cpu, old_rd->online);
-
if (atomic_dec_and_test(&old_rd->refcount))
kfree(old_rd);
}
_
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