Re: [Xen-devel] [PATCH v12 09/11] pvqspinlock, x86: Add para-virtualization support

2014-12-01 Thread Konrad Rzeszutek Wilk
On Tue, Nov 25, 2014 at 07:33:58PM -0500, Waiman Long wrote: > On 10/27/2014 02:02 PM, Konrad Rzeszutek Wilk wrote: > >On Mon, Oct 27, 2014 at 01:38:20PM -0400, Waiman Long wrote: > >> > >>My concern is that spin_unlock() can be called in many places, including > >>loadable kernel modules. Can the

Re: [Xen-devel] [PATCH v12 09/11] pvqspinlock, x86: Add para-virtualization support

2014-11-25 Thread Waiman Long
On 10/27/2014 02:02 PM, Konrad Rzeszutek Wilk wrote: On Mon, Oct 27, 2014 at 01:38:20PM -0400, Waiman Long wrote: My concern is that spin_unlock() can be called in many places, including loadable kernel modules. Can the paravirt_patch_ident_32() function able to patch all of them in reasonable