linux-kernel - Re: [RFC -v7 PATCH 5/7] export pid symbols needed for kvm_vcpu_on

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Message-ID: <1296481415.26581.13.camel@laptop>
Date:	Mon, 31 Jan 2011 14:43:35 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Avi Kivity <avi@...hat.com>
Cc:	Rik van Riel <riel@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Mike Galbraith <efault@....de>,
	Chris Wright <chrisw@...s-sol.org>, ttracy@...hat.com,
	"Nakajima, Jun" <jun.nakajima@...el.com>
Subject: Re: [RFC -v7 PATCH 5/7] export pid symbols needed for
 kvm_vcpu_on_spin

On Mon, 2011-01-31 at 15:26 +0200, Avi Kivity wrote:
> On 01/31/2011 01:51 PM, Peter Zijlstra wrote:
> > On Wed, 2011-01-26 at 17:23 -0500, Rik van Riel wrote:
> > >  Export the symbols required for a race-free kvm_vcpu_on_spin.
> >
> > Avi, you asked for an example of why I hated KVM as a module :-)
> 
> Why do you dislike exports so much?

Because I hate modules [*], since we sadly cannot undo those, limiting
the module interface is all we've got, and KVM is one that pushes the
module interface further and further.

Many people see an EXPORT as a acknowledgement that its OK to use the
interface, even when its not.

[*] they enable the binary junk thing.
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