Re: [PATCH v8 1/5] x86: add simple udelay calibration

2017-05-05 Thread Boris Ostrovsky
On 05/05/2017 01:41 AM, Lu Baolu wrote: > Hi, > > On 05/03/2017 06:38 AM, Boris Ostrovsky wrote: >> On 03/21/2017 04:01 AM, Lu Baolu wrote: >>> Add a simple udelay calibration in x86 architecture-specific >>> boot-time initializations. This will get a workable

Re: [PATCH v8 1/5] x86: add simple udelay calibration

2017-05-02 Thread Boris Ostrovsky
On 03/21/2017 04:01 AM, Lu Baolu wrote: > Add a simple udelay calibration in x86 architecture-specific > boot-time initializations. This will get a workable estimate > for loops_per_jiffy. Hence, udelay() could be used after this > initialization. This breaks Xen PV guests since at this point, and

Re: [Xen-devel] [PATCH 29/29] drivers, xen: convert grant_map.users from atomic_t to refcount_t

2017-03-08 Thread Boris Ostrovsky
t;>> drivers/xen/gntdev.c | 11 ++- >>> 1 file changed, 6 insertions(+), 5 deletions(-) >> Reviewed-by: Boris Ostrovsky > Is there a tree that can take this change? Turns out it is better to > propagate changes via separate trees and only leftovers can be taken v

Re: [Xen-devel] [PATCH 29/29] drivers, xen: convert grant_map.users from atomic_t to refcount_t

2017-03-06 Thread Boris Ostrovsky
t; > Signed-off-by: Elena Reshetova > Signed-off-by: Hans Liljestrand > Signed-off-by: Kees Cook > Signed-off-by: David Windsor > --- > drivers/xen/gntdev.c | 11 ++- > 1 file changed, 6 insertions(+), 5 deletions(-) Reviewed-by: Boris Ostrovsky -- To un