linux-kernel - Re: [RFC PATCH 0/2] kvmclock: fix ABI breakage from PVCLOCK_COUNTS_FROM

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Date:	Mon, 21 Sep 2015 17:43:40 +0200
From:	Radim Krčmář <rkrcmar@...hat.com>
To:	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Paolo Bonzini <pbonzini@...hat.com>,
	Luiz Capitulino <lcapitulino@...hat.com>
Subject: Re: [RFC PATCH 0/2] kvmclock: fix ABI breakage from
 PVCLOCK_COUNTS_FROM_ZERO.

2015-09-21 17:12+0200, Radim Krčmář:
> 2015-09-20 19:57-0300, Marcelo Tosatti:
> > On Fri, Sep 18, 2015 at 05:54:28PM +0200, Radim Krčmář wrote:
>>> This patch series will be disabling PVCLOCK_COUNTS_FROM_ZERO flag and is
>>> RFC because I haven't explored many potential problems or tested it.
>> 
>> The justification to disable PVCLOCK_COUNTS_FROM_ZERO is because you
>> haven't explored potential problems or tested it? Sorry can't parse it.

I missed that one, sorry.
PVCLOCK_COUNTS_FROM_ZERO is disabled because it breaks ABI.
Not testing nor ruling out all problems is a justification for RFC.

(This patch series
 - will be disabling PVCLOCK_COUNTS_FROM_ZERO flag and
 - is RFC because I haven't explored many potential problems or tested
   it [this patch series])
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