On Fri, 2011-02-25 at 08:23 +1100, Benjamin Herrenschmidt wrote:
>
> I don't think that's needed here as there shall be no batching happening
> on the vmalloc space, but it can't hurt to merge it regardless :-)
Ah, due to the !batch->active thing? OK, then yeah Hugh's bit is
sufficient.
On Thu, 2011-02-24 at 22:07 +0100, Peter Zijlstra wrote:
>
> Lovely problem :-), benh mentioned it on IRC, but I never got around
> to
> finding the email thread, thanks for the CC.
>
> > What would be better for 2.6.38 and 2.6.37-stable? Moving that call
> to
> > vunmap_page_range back under vb
On Thu, 2011-02-24 at 12:47 -0800, Hugh Dickins wrote:
> Reading back, I see Jeremy suggested moving vb_free()'s call to
> vunmap_page_range() back inside vb->lock: it certainly was his moving
> the call out from under that lock that brought the issue to my notice;
> but it looked as if there were
On Thu, 2011-02-24 at 12:47 -0800, Hugh Dickins wrote:
Lovely problem :-), benh mentioned it on IRC, but I never got around to
finding the email thread, thanks for the CC.
> What would be better for 2.6.38 and 2.6.37-stable? Moving that call to
> vunmap_page_range back under vb->lock, or the par
On Thu, 30 Dec 2010, Benjamin Herrenschmidt wrote:
> On Wed, 2010-12-29 at 14:54 -0800, Hugh Dickins wrote:
> > With recent 2.6.37-rc, with CONFIG_PREEMPT=y CONFIG_DEBUG_PREEMPT=y
> > on the PowerPC G5, I get spammed by BUG warnings each time I swapoff:
> >
> > BUG: using smp_processor_id() in pre
On Wed, 2010-12-29 at 14:54 -0800, Hugh Dickins wrote:
> With recent 2.6.37-rc, with CONFIG_PREEMPT=y CONFIG_DEBUG_PREEMPT=y
> on the PowerPC G5, I get spammed by BUG warnings each time I swapoff:
>
> BUG: using smp_processor_id() in preemptible [] code: swapoff/3974
> caller is .hpte_need
On 12/30/2010 09:54 AM, Hugh Dickins wrote:
> With recent 2.6.37-rc, with CONFIG_PREEMPT=y CONFIG_DEBUG_PREEMPT=y
> on the PowerPC G5, I get spammed by BUG warnings each time I swapoff:
>
> BUG: using smp_processor_id() in preemptible [] code: swapoff/3974
> caller is .hpte_need_flush+0x4c/
With recent 2.6.37-rc, with CONFIG_PREEMPT=y CONFIG_DEBUG_PREEMPT=y
on the PowerPC G5, I get spammed by BUG warnings each time I swapoff:
BUG: using smp_processor_id() in preemptible [] code: swapoff/3974
caller is .hpte_need_flush+0x4c/0x2e8
Call Trace:
[c001b4a3f830] [c000f3c
