From: Jeremy Fitzhardinge <jeremy@goop.org>
To: James Harper <james.harper@bendigoit.com.au>
Cc: Xen Devel <xen-devel@lists.xensource.com>
Subject: Re: [PATCH RFC V5 00/11] Paravirtualized ticketlocks
Date: Thu, 13 Oct 2011 00:03:00 -0700 [thread overview]
Message-ID: <4E968D24.8040509@goop.org> (raw)
In-Reply-To: <AEC6C66638C05B468B556EA548C1A77D01E5E5CA@trantor>
On 10/12/2011 07:50 PM, James Harper wrote:
>> Thoughts? Comments? Suggestions?
>>
> I am lead to believe that Hyper-V guests provide some sort of spinlock
> notification (a commit to KVM seems to suggest it). Has that been
> considered at all here, if such notification can be exposed to Xen?
>
Yes, that's basically what this series is about: a mechanism for Linux
to tell Xen "I'm stuck in a spinlock".
J
next prev parent reply other threads:[~2011-10-13 7:03 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-13 0:51 [PATCH RFC V5 00/11] Paravirtualized ticketlocks Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 01/11] x86/spinlock: replace pv spinlocks with pv ticketlocks Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 02/11] x86/ticketlock: don't inline _spin_unlock when using paravirt spinlocks Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 03/11] x86/ticketlock: collapse a layer of functions Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 04/11] xen: defer spinlock setup until boot CPU setup Jeremy Fitzhardinge
2011-10-13 0:51 ` Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 05/11] xen/pvticketlock: Xen implementation for PV ticket locks Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 06/11] xen/pvticketlocks: add xen_nopvspin parameter to disable xen pv ticketlocks Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 07/11] x86/pvticketlock: use callee-save for lock_spinning Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 08/11] x86/pvticketlock: when paravirtualizing ticket locks, increment by 2 Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 09/11] x86/ticketlock: add slowpath logic Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 10/11] xen/pvticketlock: allow interrupts to be enabled while blocking Jeremy Fitzhardinge
2011-10-13 0:51 ` [PATCH RFC V5 11/11] xen: enable PV ticketlocks on HVM Xen Jeremy Fitzhardinge
2011-10-13 2:50 ` [PATCH RFC V5 00/11] Paravirtualized ticketlocks James Harper
2011-10-13 7:03 ` Jeremy Fitzhardinge [this message]
2011-10-13 11:26 ` James Harper
2011-10-13 11:37 ` Paul Durrant
2011-10-13 11:40 ` James Harper
2011-10-13 10:54 ` Peter Zijlstra
2011-10-13 16:44 ` Jeremy Fitzhardinge
2011-10-14 14:17 ` Jason Baron
2011-10-14 17:02 ` Jeremy Fitzhardinge
2011-10-14 18:35 ` Jason Baron
2011-10-14 18:38 ` H. Peter Anvin
2011-10-14 18:51 ` Jeremy Fitzhardinge
2011-10-14 19:02 ` Jeremy Fitzhardinge
2011-10-17 14:58 ` Jason Baron
2011-10-14 18:37 ` H. Peter Anvin
2011-10-14 18:37 ` H. Peter Anvin
2011-10-14 19:10 ` Jeremy Fitzhardinge
2011-10-14 19:12 ` H. Peter Anvin
2011-10-17 16:33 ` H. Peter Anvin
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