Re: [PATCH RFC V9 1/19] x86/spinlock: Replace pv spinlocks with pv ticketlocks

2013-06-01 Thread Raghavendra K T
On 06/02/2013 02:02 AM, Jeremy Fitzhardinge wrote: On 06/01/2013 12:21 PM, Raghavendra K T wrote: x86/spinlock: Replace pv spinlocks with pv ticketlocks From: Jeremy Fitzhardinge I'm not sure what the etiquette is here; I did the work while at Citrix, but jer...@goop.org is my canonical email

Re: [PATCH RFC V9 1/19] x86/spinlock: Replace pv spinlocks with pv ticketlocks

2013-06-01 Thread Jeremy Fitzhardinge
On 06/01/2013 12:21 PM, Raghavendra K T wrote: > x86/spinlock: Replace pv spinlocks with pv ticketlocks > > From: Jeremy Fitzhardinge I'm not sure what the etiquette is here; I did the work while at Citrix, but jer...@goop.org is my canonical email address. The Citrix address is dead and bounces,

[PATCH RFC V9 1/19] x86/spinlock: Replace pv spinlocks with pv ticketlocks

2013-06-01 Thread Raghavendra K T
x86/spinlock: Replace pv spinlocks with pv ticketlocks From: Jeremy Fitzhardinge Rather than outright replacing the entire spinlock implementation in order to paravirtualize it, keep the ticket lock implementation but add a couple of pvops hooks on the slow patch (long spin on lock, unlocking a