Re: [Xen-devel] [PATCH] x86, locking: Remove ticket (spin)lock implementation

On 18/05/2016 21:34, Peter Zijlstra wrote: >> I don't know of any enterprise distro that is shipping anything >> > more modern than 4.1? > RHEL 7-- v3.10 > SLES 12 -- v3.12 > Debian Jessie -- v3.16 > Ubuntu 16.04 LTS -- v4.4 > > But

Re: [Xen-devel] [PATCH] x86, locking: Remove ticket (spin)lock implementation

On 18/05/16 19:43, Peter Zijlstra wrote: > > We've unconditionally used the queued spinlock for many releases now. > > Its time to remove the old ticket lock code. Xen parts: Acked-by: David Vrabel David ___ Xen-devel

Re: [Xen-devel] [PATCH] x86, locking: Remove ticket (spin)lock implementation

* Peter Zijlstra wrote: > My motivation was that people keep trying to send patches against the ticket > lock code... David did just today, and he's not the first. Yeah, let's just remove dead code ASAP. It's not like it's hard to add (back) new code, should the need

Re: [Xen-devel] [PATCH] x86, locking: Remove ticket (spin)lock implementation

On Wed, May 18, 2016 at 03:13:44PM -0400, Konrad Rzeszutek Wilk wrote: > On Wed, May 18, 2016 at 08:43:02PM +0200, Peter Zijlstra wrote: > > > > We've unconditionally used the queued spinlock for many releases now. > > Like since 4.2? Yeah, that seems to be the right number. > I don't know of

Re: [Xen-devel] [PATCH] x86, locking: Remove ticket (spin)lock implementation

On Wed, May 18, 2016 at 08:43:02PM +0200, Peter Zijlstra wrote: > > We've unconditionally used the queued spinlock for many releases now. Like since 4.2? I don't know of any enterprise distro that is shipping anything more modern than 4.1? Perhaps it would be good to wait until they at least

[Xen-devel] [PATCH] x86, locking: Remove ticket (spin)lock implementation

We've unconditionally used the queued spinlock for many releases now. Its time to remove the old ticket lock code. Cc: Waiman Long Signed-off-by: Peter Zijlstra (Intel) --- arch/x86/Kconfig | 3 +-