linux-kernel - Re: [PATCH 4.4 000/118] 4.4.22-stable review

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Message-ID: <517d8d77-6b9f-4430-2b35-30ee6b07b5f7@roeck-us.net>
Date:   Fri, 23 Sep 2016 06:25:33 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, shuah.kh@...sung.com,
        patches@...nelci.org, ben.hutchings@...ethink.co.uk,
        stable@...r.kernel.org
Subject: Re: [PATCH 4.4 000/118] 4.4.22-stable review

On 09/23/2016 01:08 AM, Greg Kroah-Hartman wrote:
> On Thu, Sep 22, 2016 at 08:01:35PM -0700, Guenter Roeck wrote:
>> e5767a13d7cb ("cxl: use pcibios_free_controller_deferred() when removing vPHBs")
>> 	does not apply to v4.4 nor to v4.7 (and isn't marked stable ???).
>
> I don't understand what you mean here.  It did apply, and it was marked
> for stable inclusion.  It is commit
> 6f38a8b9a45833495dc878c335c5431cd98a16ed in Linus's tree.  Does it break
> the build?
>

drivers/misc/cxl/vphb.c: In function 'cxl_pci_vphb_add':
drivers/misc/cxl/vphb.c:263:9: error: 'pcibios_free_controller_deferred' undeclared

Yes, it does break the build, by calling a function which does not exist in 4.4 or 4.7.

Sorry, the Cc: stable was dropped in the 4.4/4.7 versions, so I didn't see it.
I meant to say "it doesn't build".

You will either have to drop e5767a13d7cb. or you'll also need commit 2dd9c11b9d4
("powerpc/pseries: use pci_host_bridge.release_fn() to kfree(phb)") from upstream.
I didn't check though if that applies (or works) with the older kernels.

Guenter