linux-kernel - Re: [PATCH RESEND V13 14/14] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

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Date:	Tue, 13 Aug 2013 18:55:52 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, x86@...nel.org, jeremy@...p.org,
	konrad.wilk@...cle.com, gleb@...hat.com, pbonzini@...hat.com,
	gregkh@...e.de, peterz@...radead.org, tglx@...utronix.de,
	agraf@...e.de, riel@...hat.com, avi.kivity@...il.com,
	habanero@...ux.vnet.ibm.com, chegu_vinod@...com,
	ouyang@...pitt.edu, drjones@...hat.com, attilio.rao@...rix.com,
	linux-doc@...r.kernel.org, torvalds@...ux-foundation.org,
	kvm@...r.kernel.org, andi@...stfloor.org,
	xen-devel@...ts.xensource.com,
	virtualization@...ts.linux-foundation.org,
	stefano.stabellini@...citrix.com, mtosatti@...hat.com,
	srivatsa.vaddagiri@...il.com,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Suzuki Poulose <suzuki@...ibm.com>
Subject: Re: [PATCH RESEND V13 14/14] kvm : Paravirtual ticketlocks support
 for linux guests running on KVM hypervisor


* H. Peter Anvin <hpa@...or.com> wrote:

> Raghavendra...
> 
> Even with this latest patch this branch is broken:
> 
> :(.discard+0x6108): multiple definition of `__pcpu_unique_lock_waiting'
> arch/x86/xen/built-in.o:(.discard+0x23): first defined here
>   CC      drivers/firmware/google/gsmi.o
> arch/x86/kernel/built-in.o:(.discard+0x6108): multiple definition of
> `__pcpu_unique_lock_waiting'
> arch/x86/xen/built-in.o:(.discard+0x23): first defined here
>   CC      sound/core/seq/oss/seq_oss_init.o
> 
> This is trivially reproducible by doing a build with "make allyesconfig".
> 
> Please fix and *verify* it is fixed before resubmitting.
> 
> I will be away so Ingo will have to handle the resubmission.

Would be nice to have a delta fix patch against tip:x86/spinlocks, which 
I'll then backmerge into that series via rebasing it.

Thanks,

	Ingo
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