Re: [PATCH v2 22/32] s390: define __smp_xxx

2016-01-05 Thread Martin Schwidefsky
On Mon, 4 Jan 2016 22:18:58 +0200 "Michael S. Tsirkin" wrote: > On Mon, Jan 04, 2016 at 02:45:25PM +0100, Peter Zijlstra wrote: > > On Thu, Dec 31, 2015 at 09:08:38PM +0200, Michael S. Tsirkin wrote: > > > This defines __smp_xxx barriers for s390, > > > for use by

Re: [PATCH v2 22/32] s390: define __smp_xxx

2016-01-05 Thread Michael S. Tsirkin
On Tue, Jan 05, 2016 at 09:13:19AM +0100, Martin Schwidefsky wrote: > On Mon, 4 Jan 2016 22:18:58 +0200 > "Michael S. Tsirkin" wrote: > > > On Mon, Jan 04, 2016 at 02:45:25PM +0100, Peter Zijlstra wrote: > > > On Thu, Dec 31, 2015 at 09:08:38PM +0200, Michael S. Tsirkin wrote: >

Re: [PATCH v2 22/32] s390: define __smp_xxx

2016-01-05 Thread Michael S. Tsirkin
On Tue, Jan 05, 2016 at 04:39:37PM +0100, Christian Borntraeger wrote: > On 01/05/2016 10:30 AM, Michael S. Tsirkin wrote: > > > > > arch/s390/kernel/vdso.c:smp_mb(); > > > > Looking at > > Author: Christian Borntraeger > > Date: Fri Sep 11 16:23:06

Re: [PATCH v2 22/32] s390: define __smp_xxx

2016-01-05 Thread Christian Borntraeger
On 01/05/2016 10:30 AM, Michael S. Tsirkin wrote: > > arch/s390/kernel/vdso.c:smp_mb(); > > Looking at > Author: Christian Borntraeger > Date: Fri Sep 11 16:23:06 2015 +0200 > > s390/vdso: use correct memory barrier > > By

Re: [PATCH v2 22/32] s390: define __smp_xxx

2016-01-05 Thread Martin Schwidefsky
On Tue, 5 Jan 2016 15:04:43 +0200 "Michael S. Tsirkin" wrote: > On Tue, Jan 05, 2016 at 01:08:52PM +0100, Martin Schwidefsky wrote: > > On Tue, 5 Jan 2016 11:30:19 +0200 > > "Michael S. Tsirkin" wrote: > > > > > On Tue, Jan 05, 2016 at 09:13:19AM +0100, Martin

Re: [PATCH v2 22/32] s390: define __smp_xxx

2016-01-05 Thread Michael S. Tsirkin
On Tue, Jan 05, 2016 at 01:08:52PM +0100, Martin Schwidefsky wrote: > On Tue, 5 Jan 2016 11:30:19 +0200 > "Michael S. Tsirkin" wrote: > > > On Tue, Jan 05, 2016 at 09:13:19AM +0100, Martin Schwidefsky wrote: > > > On Mon, 4 Jan 2016 22:18:58 +0200 > > > "Michael S. Tsirkin"

Re: [PATCH v2 22/32] s390: define __smp_xxx

2016-01-05 Thread Martin Schwidefsky
On Tue, 5 Jan 2016 11:30:19 +0200 "Michael S. Tsirkin" wrote: > On Tue, Jan 05, 2016 at 09:13:19AM +0100, Martin Schwidefsky wrote: > > On Mon, 4 Jan 2016 22:18:58 +0200 > > "Michael S. Tsirkin" wrote: > > > > > On Mon, Jan 04, 2016 at 02:45:25PM +0100, Peter

Re: [PATCH v2 22/32] s390: define __smp_xxx

2016-01-04 Thread Michael S. Tsirkin
On Mon, Jan 04, 2016 at 02:45:25PM +0100, Peter Zijlstra wrote: > On Thu, Dec 31, 2015 at 09:08:38PM +0200, Michael S. Tsirkin wrote: > > This defines __smp_xxx barriers for s390, > > for use by virtualization. > > > > Some smp_xxx barriers are removed as they are > > defined correctly by

Re: [PATCH v2 22/32] s390: define __smp_xxx

2016-01-04 Thread Peter Zijlstra
On Thu, Dec 31, 2015 at 09:08:38PM +0200, Michael S. Tsirkin wrote: > This defines __smp_xxx barriers for s390, > for use by virtualization. > > Some smp_xxx barriers are removed as they are > defined correctly by asm-generic/barriers.h > > Note: smp_mb, smp_rmb and smp_wmb are defined as full

[PATCH v2 22/32] s390: define __smp_xxx

2015-12-31 Thread Michael S. Tsirkin
This defines __smp_xxx barriers for s390, for use by virtualization. Some smp_xxx barriers are removed as they are defined correctly by asm-generic/barriers.h Note: smp_mb, smp_rmb and smp_wmb are defined as full barriers unconditionally on this architecture. Signed-off-by: Michael S. Tsirkin