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From: "H. Peter Anvin" <hpa@zytor.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: jeremy@goop.org, x86@kernel.org, kvm@vger.kernel.org,
	linux-doc@vger.kernel.org, peterz@infradead.org,
	drjones@redhat.com, virtualization@lists.linux-foundation.org,
	andi@firstfloor.org, stefano.stabellini@eu.citrix.com,
	xen-devel@lists.xensource.com,
	Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
	mingo@redhat.com, habanero@linux.vnet.ibm.com, riel@redhat.com,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	ouyang@cs.pitt.edu, avi.kivity@gmail.com, tglx@linutronix.de,
	chegu_vinod@hp.com, gregkh@suse.de, linux-kernel@vger.kernel.org,
	srivatsa.vaddagiri@gmail.com, attilio.rao@citrix.com,
	pbonzini@redhat.com, torvalds@linux-foundation.org
Subject: Re: [PATCH  V12 0/14] Paravirtualized ticket spinlocks
Date: Thu, 08 Aug 2013 14:13:41 -0700	[thread overview]
Message-ID: <52040A05.5080107@zytor.com> (raw)
In-Reply-To: <20130808010251.GJ15901@redhat.com>

On 08/07/2013 06:02 PM, Gleb Natapov wrote:
> On Wed, Aug 07, 2013 at 08:50:12PM -0400, Konrad Rzeszutek Wilk wrote:
>> On Wed, Aug 07, 2013 at 12:15:21PM +0530, Raghavendra K T wrote:
>>> On 08/07/2013 10:18 AM, H. Peter Anvin wrote:
>>>>> Please let me know, if I should rebase again.
>>>>>
>>>>
>>>> tip:master is not a stable branch; it is more like linux-next.  We need
>>>> to figure out which topic branches are dependencies for this set.
>>>
>>> Okay. I 'll start looking at the branches that would get affected.
>>> (Xen, kvm are obvious ones).
>>> Please do let me know the branches I might have to check for.
>>
>> >From the Xen standpoint anything past v3.11-rc4 would work.
>>
> For KVM as early as past v3.11-rc1 would be OK.
> 

I'm still completely confused as to the base of this patchset.  The
first patch has the following hunk for arch/x86/include/asm/paravirt.h:


--- arch/x86/include/asm/paravirt.h
+++ arch/x86/include/asm/paravirt.h
@@ -718,7 +718,7 @@
        PVOP_VCALLEE2(pv_lock_ops.lock_spinning, lock, ticket);
 }

-static __always_inline void ____ticket_unlock_kick(struct arch_spinlock
*lock,
+static __always_inline void __ticket_unlock_kick(struct arch_spinlock
*lock,
                                                        __ticket_t ticket)
 {
        PVOP_VCALL2(pv_lock_ops.unlock_kick, lock, ticket);


However, there is no ticket_unlock_kick in paravirt.h in either
tip:master nor in linus...

	-hpa

  reply	other threads:[~2013-08-08 21:13 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-06 11:40 [PATCH V12 0/14] Paravirtualized ticket spinlocks Raghavendra K T
2013-08-06 11:40 ` [PATCH V12 1/14] x86/spinlock: Replace pv spinlocks with pv ticketlocks Raghavendra K T
2013-08-06 11:41 ` [PATCH V12 2/14] x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks Raghavendra K T
2013-08-06 11:41 ` [PATCH V12 3/14] x86/ticketlock: Collapse a layer of functions Raghavendra K T
2013-08-06 11:41 ` [PATCH V12 4/14] xen: Defer spinlock setup until boot CPU setup Raghavendra K T
2013-08-06 11:42 ` [PATCH V12 5/14] xen/pvticketlock: Xen implementation for PV ticket locks Raghavendra K T
2013-08-06 11:42 ` [PATCH V12 6/14] xen/pvticketlocks: Add xen_nopvspin parameter to disable xen pv ticketlocks Raghavendra K T
2013-08-06 11:42 ` [PATCH V12 7/14] x86/pvticketlock: Use callee-save for lock_spinning Raghavendra K T
2013-08-06 11:43 ` [PATCH V12 8/14] x86/pvticketlock: When paravirtualizing ticket locks, increment by 2 Raghavendra K T
2013-08-06 11:43 ` [PATCH V12 9/14] jump_label: Split out rate limiting from jump_label.h Raghavendra K T
2013-08-06 11:43 ` [PATCH V12 10/14] x86/ticketlock: Add slowpath logic Raghavendra K T
2013-08-06 11:44 ` [PATCH V12 11/14] xen/pvticketlock: Allow interrupts to be enabled while blocking Raghavendra K T
2013-08-06 11:44 ` [PATCH V12 12/14] kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi Raghavendra K T
2013-08-06 11:45 ` [PATCH V12 13/14] kvm guest : Add configuration support to enable debug information for KVM Guests Raghavendra K T
2013-08-06 11:45 ` [PATCH V12 14/14] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor Raghavendra K T
2013-08-06 21:01 ` [PATCH V12 0/14] Paravirtualized ticket spinlocks H. Peter Anvin
2013-08-07  2:54   ` Raghavendra K T
2013-08-07  4:48     ` H. Peter Anvin
2013-08-07  6:45       ` Raghavendra K T
2013-08-08  0:50         ` Konrad Rzeszutek Wilk
2013-08-08  1:02           ` Gleb Natapov
2013-08-08 21:13             ` H. Peter Anvin [this message]
2013-08-08 23:04               ` H. Peter Anvin
2013-08-09 12:50                 ` Raghavendra K T
2013-08-09 13:00                   ` Konrad Rzeszutek Wilk
2013-08-09 13:14                     ` Raghavendra K T
2013-08-09 14:51                     ` H. Peter Anvin
2013-08-08  2:59         ` Raghavendra K T
2013-08-09  1:04 ` H. Peter Anvin
2013-08-09  4:28   ` Raghavendra K T
2013-08-09 13:09   ` Raghavendra K T
2013-08-09 14:20   ` Raghavendra K T

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