[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] xen: sched: fix spinlock issue in schedule_cpu_switch().

On Mon, 2016-04-11 at 17:38 +0100, George Dunlap wrote:
> On 11/04/16 17:27, Dario Faggioli wrote:
> > 
> > Commit 94734ab7c3f5 ("xen: sched: close potential races
> > when switching scheduler to CPUs") buggily replaced a call
> > to pcpu_schedule_lock_irq() with just pcpu_schedule_lock(),
> > causing the relevant irq_safe vs. non-irq_safe ASSERT()
> > in check_lock() to trigger.
> > 
> > Fix that.
> > 
> > Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
> Acked-by: George Dunlap <george.dunlap@xxxxxxxxxx>
Thanks George.

Sorry again for the issue, and sorry if it did take longer.

I said "Monday morning", but this morning my test box was otherwise
busy, and this time, I really wanted to make sure I tested this on a
debug build! :-P

<<This happens because I choose it to happen!>> (Raistlin Majere)
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

Attachment: signature.asc
Description: This is a digitally signed message part

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.