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Date: Thu, 08 Aug 2013 14:13:41 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: Gleb Natapov <gleb@...hat.com>
CC: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>,
mingo@...hat.com, jeremy@...p.org, x86@...nel.org,
pbonzini@...hat.com, linux-doc@...r.kernel.org,
habanero@...ux.vnet.ibm.com, xen-devel@...ts.xensource.com,
peterz@...radead.org, mtosatti@...hat.com,
stefano.stabellini@...citrix.com, andi@...stfloor.org,
attilio.rao@...rix.com, ouyang@...pitt.edu, gregkh@...e.de,
agraf@...e.de, chegu_vinod@...com, torvalds@...ux-foundation.org,
avi.kivity@...il.com, tglx@...utronix.de, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org, riel@...hat.com, drjones@...hat.com,
virtualization@...ts.linux-foundation.org,
srivatsa.vaddagiri@...il.com
Subject: Re: [PATCH V12 0/14] Paravirtualized ticket spinlocks
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
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