Messages in this thread | | | Date | Mon, 7 Apr 2014 18:14:27 +0100 | From | David Vrabel <> | Subject | Re: [PATCH] xen/spinlock: Don't enable them unconditionally. |
| |
On 04/04/14 19:48, konrad@kernel.org wrote: > From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> > > The git commit a945928ea2709bc0e8e8165d33aed855a0110279 > ('xen: Do not enable spinlocks before jump_label_init() has executed') > was added to deal with the jump machinery. Earlier the code > that turned on the jump label was only called by Xen specific > functions. But now that it had been moved to the initcall machinery > it gets called on Xen, KVM, and baremetal - ouch!. And the detection > machinery to only call it on Xen wasn't remembered in the heat > of merge window excitement. > > This means that the slowpath is enabled on baremetal while it should > not be.
Applied to devel/for-linus-3.15.
Thanks.
David
| |