linux-kernel - Re: [PATCH 4.4 000/134] 4.4.123-stable review

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Date:   Tue, 20 Mar 2018 22:29:11 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, shuahkh@....samsung.com,
        patches@...nelci.org, ben.hutchings@...ethink.co.uk,
        lkft-triage@...ts.linaro.org, stable@...r.kernel.org
Subject: Re: [PATCH 4.4 000/134] 4.4.123-stable review

On Tue, Mar 20, 2018 at 06:32:00AM -0700, Guenter Roeck wrote:
> On 03/19/2018 11:04 AM, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.4.123 release.
> > There are 134 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Wed Mar 21 17:18:04 UTC 2018.
> > Anything received after that time might be too late.
> > 
> 
> For v4.4.122-134-gb4e03b4:
> 
> Build results:
> 	total: 145 pass: 140 fail: 5
> Failed builds:
> 	arm:allmodconfig
> 	powerpc:defconfig
> 	powerpc:allmodconfig
> 	powerpc:cell_defconfig
> 	powerpc:maple_defconfig
> 
> arm:allmodconfig:
> 
> drivers/net/ethernet/marvell/mvpp2.c: In function 'mvpp2_probe':
> drivers/net/ethernet/marvell/mvpp2.c:6451:10: error: 'struct mvpp2' has no member named 'hw_version'
>   if (priv->hw_version == MVPP22) {
>           ^
> drivers/net/ethernet/marvell/mvpp2.c:6451:26: error: 'MVPP22' undeclared (first use in this function)
>   if (priv->hw_version == MVPP22) {
> 

Caused by commit 6349601ed3e1 ("net: mvpp2: set dma mask and coherent
dma mask on PPv2.2"), which seems irrelevant for 4.4 since PPv2.2
support was added in 4.12 per upstream commit fc5e1550e5c3 ("net: mvpp2:
finally add the PPv2.2 compatible string").

> powerpc:
> 
> arch/powerpc/mm/hugetlbpage.c: In function 'add_huge_page_size':
> arch/powerpc/mm/hugetlbpage.c:840:2: error: implicit declaration of function 'radix_enabled'
> 

Caused by commit 17cd5e81ded7 ("powerpc/mm/hugetlb: Filter out hugepage
size not supported by page table layout"). It is introduced in 4.7 in
upstream commit 566ca99af026 ("powerpc/mm/radix: Add dummy
radix_enabled()") and not properly turned on until upstream commit
a8ed87c92adf ("powerpc/mm/radix: Add MMU_FTR_RADIX"). I am going to
assume from the fact there is a lot of MMU work after this and the
wording of the Kconfig entry that this is probably not suitable fo
a stable backport.

> Guenter

Cheers,
Nathan