From: Wei Liu <wei.liu2@citrix.com>
To: Juergen Gross <jgross@suse.com>
Cc: tim@xen.org, sstabellini@kernel.org,
Wei Liu <wei.liu2@citrix.com>,
George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com,
ian.jackson@eu.citrix.com, xen-devel@lists.xen.org,
Jan Beulich <JBeulich@suse.com>
Subject: Re: [PATCH v2] docs: remove wrong statement about bug in xenstore
Date: Mon, 24 Oct 2016 15:59:50 +0100 [thread overview]
Message-ID: <20161024145950.GL30231@citrix.com> (raw)
In-Reply-To: <19e5097a-93b1-8cd8-9f69-dcf1f46cb26f@suse.com>
On Mon, Oct 24, 2016 at 04:51:07PM +0200, Juergen Gross wrote:
> On 24/10/16 16:47, Wei Liu wrote:
> > On Mon, Oct 24, 2016 at 04:43:59PM +0200, Juergen Gross wrote:
> >> On 24/10/16 15:57, Jan Beulich wrote:
> >>>>>> On 24.10.16 at 15:29, <JGross@suse.com> wrote:
> >>>> --- a/docs/misc/xenstore.txt
> >>>> +++ b/docs/misc/xenstore.txt
> >>>> @@ -229,8 +229,10 @@ TRANSACTION_START | <transid>|
> >>>> tx_id request header field. When transaction is started whole
> >>>> db is copied; reads and writes happen on the copy.
> >>>> It is not legal to send non-0 tx_id in TRANSACTION_START.
> >>>> - Currently xenstored has the bug that after 2^32 transactions
> >>>> + Currently oxenstored has the bug that after 2^32 transactions
> >>>> it will allocate the transid 0 for an actual transaction.
> >>>
> >>> While I know nothing about OCaml, I read Andrew's earlier reply
> >>> to mean different behavior would result than the one described,
> >>> namely differing between 32-bit and 64-bit builds.
> >>
> >> Do we really still support 32 bit dom0? I thought the support has
> >> ended some time ago?
> >
> > Yes, we still support that.
> >
> > It is the support of 32 bit Xen that has ended.
>
> Okay, do we need to specify the exact conditions where the bug will
> occur, or is v2 of the patch okay, as it is clearly more accurate than
> the original text?
>
Having the this patch go in as-is is not accurate. You probably don't
know the details about ocaml implementations, so I think it would fine
for Andrew to come up with something more accurate.
How about:
Currently oxenstored has the bug that after the internal representation
of transaction id gets overflowed, 0 is returned.
Wei.
>
> Juergen
>
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next prev parent reply other threads:[~2016-10-24 14:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-24 13:29 [PATCH v2] docs: remove wrong statement about bug in xenstore Juergen Gross
2016-10-24 13:57 ` Jan Beulich
[not found] ` <580E2F560200007800119090@suse.com>
2016-10-24 14:43 ` Juergen Gross
2016-10-24 14:47 ` Wei Liu
2016-10-24 14:51 ` Juergen Gross
2016-10-24 14:59 ` Wei Liu [this message]
2016-10-24 14:58 ` Jan Beulich
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