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SubjectRe: 2.6.13-rc3-mm3
Richard Purdie <rpurdie@rpsys.net> wrote:
>
> On Thu, 2005-07-28 at 02:58 -0700, Andrew Morton wrote:
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.13-rc3/2.6.13-rc3-mm3/
> >
> > - There's a pretty large x86_64 update here which naughty maintainer wants
> > in 2.6.13. Extra testing, please.
> >
> > +x86_64-switch-to-the-interrupt-stack-when-running-a.patch
>
> The above patch causes the BUG below on the Zaurus (arm pxa255 with
> preempt enabled). This can only be due to the suspicious looking changes
> to kernel/softirq.c in that patch...

err, yes. I assume this was some debugging stuff which leaked through. I
hope x86_64 still works after we fix it...

--- devel/kernel/softirq.c~revert-bogus-softirq-changes 2005-07-30 10:03:12.000000000 -0700
+++ devel-akpm/kernel/softirq.c 2005-07-30 10:03:21.000000000 -0700
@@ -86,7 +86,7 @@ restart:
/* Reset the pending bitmask before enabling irqs */
local_softirq_pending() = 0;

- //local_irq_enable();
+ local_irq_enable();

h = softirq_vec;

@@ -99,7 +99,7 @@ restart:
pending >>= 1;
} while (pending);

- //local_irq_disable();
+ local_irq_disable();

pending = local_softirq_pending();
if (pending && --max_restart)
_
-
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