Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of linear region

From	Ard Biesheuvel <ard.biesheuvel@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of linear region
Date	2016-03-12 09:20 +0100
Message-ID	<rbMWe-35o-7@gated-at.bofh.it> (permalink)
References	(4 earlier) <raqbp-1xM-45@gated-at.bofh.it> <rbH0u-6ZX-9@gated-at.bofh.it> <rbKKK-1o6-1@gated-at.bofh.it> <rbKKK-1o6-3@gated-at.bofh.it> <rbKUp-1Jt-3@gated-at.bofh.it>
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> On 12 mrt. 2016, at 14:05, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
> 
>> On Sat, Mar 12, 2016 at 01:55:44PM +0800, Ard Biesheuvel wrote:
>> 
>> 
>>>> On 12 mrt. 2016, at 13:50, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
>>>> 
>>>>> On Sat, Mar 12, 2016 at 08:51:26AM +0700, Ard Biesheuvel wrote:
>>>>>> On 8 March 2016 at 20:45, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
>>>>>>> On 8 March 2016 at 20:44, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
>>>>>>>> On Tue, Mar 08, 2016 at 05:40:14PM +0700, Ard Biesheuvel wrote:
>>>>>>>> On 8 March 2016 at 07:02, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
>>>>>>>> 4.4-stable review patch.  If anyone has any objections, please let me know.
>>>>>>> 
>>>>>>> Please hold off on this one. We are seeing some breakage on 64k pages systems
>>>>>> 
>>>>>> If this problem is also in Linus's tree, I'd like to keep it in to keep
>>>>>> things "bug compatible".  Please let me know what fix that I should
>>>>>> apply to resolve this.
>>>>> 
>>>>> I am about to send out the patch that should fix this, so I will put you on cc.
>>>> 
>>>> Not sure what happened here, but this patch is in 4.4-stable now, but
>>>> the fix is not.
>>> 
>>> Because the fix came out _after_ I released that kernel?  I can't go
>>> back in time...
>> 
>> I kind of got the whole chronology thing. I am just surprised you
>> pulled only that patch (and not the fix) anyway, since you knew it
>> would break things, and that a fix was on the way.
> 
> That way I knew you all would work quickly to get the fix in :)
> 
> We do this all the time, nothing new here, being "bug compatible" is
> good...
> 

Do you get many requests from stable tree users for this bug compatibility with mainline?

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[PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of linear region Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-03-08 01:20 +0100
  Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of  linear region Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-03-08 11:50 +0100
    Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of  linear region Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-03-08 14:50 +0100
      Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of  linear region Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-03-08 14:50 +0100
        Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of  linear region Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-03-12 03:00 +0100
          Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of  linear region Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-03-12 07:00 +0100
            Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of linear region Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-03-12 07:00 +0100
              Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of  linear region Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-03-12 07:10 +0100
                Re: [PATCH 4.4 34/74] arm64: vmemmap: use virtual projection of linear region Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-03-12 09:20 +0100

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