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From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: "Luis R. Rodriguez" <mcgrof@suse.com>
Cc: david.vrabel@citrix.com, konrad.wilk@oracle.com,
	xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
	roger.pau@citrix.com
Subject: Re: [PATCH v1 02/12] xen/hvmlite: Factor out common kernel init code
Date: Fri, 22 Jan 2016 18:27:31 -0500	[thread overview]
Message-ID: <56A2BAE3.50008@oracle.com> (raw)
In-Reply-To: <56A2B76F.4060704@oracle.com>

On 01/22/2016 06:12 PM, Boris Ostrovsky wrote:
> On 01/22/2016 06:01 PM, Luis R. Rodriguez wrote:
>> On Fri, Jan 22, 2016 at 04:35:48PM -0500, Boris Ostrovsky wrote:
>>> HVMlite guests (to be introduced in subsequent patches) share most
>>> of the kernel initialization code with PV(H).
>>>
>>> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
>>> ---
>>>   arch/x86/xen/enlighten.c |  225 
>>> ++++++++++++++++++++++++----------------------
>>>   1 files changed, 119 insertions(+), 106 deletions(-)
>>>
>>> diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
>>> index d09e4c9..2cf446a 100644
>>> --- a/arch/x86/xen/enlighten.c
>>> +++ b/arch/x86/xen/enlighten.c
>> Whoa, I'm lost, its hard for me to tell what exactly stayed and what
>> got pulled into a helper, etc. Is there a possibility to split this
>> patch in 2 somehow to make the actual functional changes easier to
>> read? There are too many changes here and I just can't tell easily
>> what's going on.
>
>
> The only real changes that this patch introduces is it reorders some 
> of the operations that used to be in xen_start_kernel(). This is done 
> so that in the next patch when we add hvmlite we can easily put those 
> specific to PV(H) inside 'if (!xen_hvm_domain())'. I probably should 
> have said so in the commit message.


Actually, I forgot that I merged the 'if' clause into this patch already 
so I'll see if I can separate them again to make it easier on the eye.

-boris


>
> It is indeed difficult to review but I don't see how I can split this. 
> Even if I just moved it (without reordering) it would still be hard to 
> read.
>
> -boris

  reply	other threads:[~2016-01-22 23:27 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-22 21:35 [PATCH v1 00/12] HVMlite domU support Boris Ostrovsky
2016-01-22 21:35 ` [PATCH v1 01/12] x86/smp: Make start_secondary() and initial_pg_pmd visible globally Boris Ostrovsky
2016-01-25 10:53   ` David Vrabel
2016-01-25 15:30     ` Boris Ostrovsky
2016-01-26 21:58       ` Borislav Petkov
2016-01-22 21:35 ` [PATCH v1 02/12] xen/hvmlite: Factor out common kernel init code Boris Ostrovsky
2016-01-22 23:01   ` Luis R. Rodriguez
2016-01-22 23:12     ` Boris Ostrovsky
2016-01-22 23:27       ` Boris Ostrovsky [this message]
2016-01-22 23:41       ` Luis R. Rodriguez
2016-01-25 11:04   ` [Xen-devel] " David Vrabel
2016-01-25 15:42     ` Boris Ostrovsky
2016-01-22 21:35 ` [PATCH v1 03/12] xen/hvmlite: Import hvmlite-related Xen public interfaces Boris Ostrovsky
2016-01-22 21:35 ` [PATCH v1 04/12] xen/hvmlite: Bootstrap HVMlite guest Boris Ostrovsky
2016-01-22 23:32   ` Luis R. Rodriguez
2016-01-23  0:30     ` [Xen-devel] " Andrew Cooper
2016-01-23  0:45       ` Luis R. Rodriguez
2016-01-23  0:55       ` Luis R. Rodriguez
2016-01-23 14:49         ` Andrew Cooper
2016-01-23 15:34           ` Konrad Rzeszutek Wilk
2016-01-23 16:01             ` H. Peter Anvin
2016-01-23 16:12               ` Konrad Rzeszutek Wilk
2016-01-23 18:28                 ` H. Peter Anvin
2016-01-25 10:30                 ` Roger Pau Monné
2016-01-25 22:19           ` Luis R. Rodriguez
2016-01-25 22:55             ` Boris Ostrovsky
2016-01-26 20:30               ` Luis R. Rodriguez
2016-01-26 21:51                 ` Boris Ostrovsky
2016-01-27  0:04                   ` Luis R. Rodriguez
2016-01-27  2:16                     ` Luis R. Rodriguez
     [not found]                       ` <CAB=NE6XRE42Y-WEkLbTXsvRg1+Fa4ZSi97wyPKiFT25o6=Y69w@mail.gmail.com>
     [not found]                         ` <20160127144240.GB552@char.us.oracle.com>
2016-01-27 14:50                           ` David Vrabel
2016-01-27 15:06                             ` Boris Ostrovsky
2016-01-27 15:09                               ` David Vrabel
2016-01-27 15:17                                 ` Boris Ostrovsky
     [not found]                                   ` <20160127152950.GH552@char.us.oracle.com>
2016-01-27 16:15                                     ` Boris Ostrovsky
2016-01-27 18:48                                       ` Luis R. Rodriguez
2016-01-27 19:00                                         ` Luis R. Rodriguez
2016-01-27 23:58                                           ` Boris Ostrovsky
2016-01-27 16:14                             ` Borislav Petkov
2016-01-25 15:08       ` Boris Ostrovsky
2016-01-25 16:08     ` Boris Ostrovsky
2016-01-25 21:12       ` Luis R. Rodriguez
2016-01-25 21:21         ` H. Peter Anvin
2016-01-25 22:28           ` Boris Ostrovsky
2016-01-26 18:34             ` Luis R. Rodriguez
2016-01-26 18:46               ` Andy Lutomirski
2016-01-26 19:00                 ` Boris Ostrovsky
2016-01-26 19:14                   ` [Xen-devel] " Luis R. Rodriguez
2016-01-22 21:35 ` [PATCH v1 05/12] xen/hvmlite: Allow HVMlite guests delay initializing grant table Boris Ostrovsky
2016-01-22 21:35 ` [PATCH v1 06/12] xen/hvmlite: Initialize PCI Boris Ostrovsky
2016-01-25 10:21   ` Roger Pau Monné
2016-01-22 21:35 ` [PATCH v1 07/12] xen/hvmlite: Prepare cpu_initialize_context() routine for HVMlite SMP Boris Ostrovsky
2016-01-22 21:35 ` [PATCH v1 08/12] xen/hvmlite: Initialize context for secondary VCPUs Boris Ostrovsky
2016-01-22 21:35 ` [PATCH v1 09/12] xen/hvmlite: Extend APIC operations for HVMlite guests Boris Ostrovsky
2016-01-22 21:35 ` [PATCH v1 10/12] xen/hvmlite: Use x86's default timer init " Boris Ostrovsky
2016-01-22 21:35 ` [PATCH v1 11/12] xen/hvmlite: Boot secondary CPUs Boris Ostrovsky
2016-01-22 21:35 ` [PATCH v1 12/12] xen/hvmlite: Enable CPU on-/offlining Boris Ostrovsky
2016-01-25 10:51 ` [PATCH v1 00/12] HVMlite domU support David Vrabel
2016-01-25 15:25   ` Boris Ostrovsky

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