linux-kernel - Re: [PATCH v1 3/3] kernel/resource: remove first_lvl / siblings

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Date:   Mon, 22 Mar 2021 09:12:13 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Dave Young <dyoung@...hat.com>, Baoquan He <bhe@...hat.com>,
        Vivek Goyal <vgoyal@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Keith Busch <keith.busch@...el.com>,
        Michal Hocko <mhocko@...e.com>, Qian Cai <cai@....pw>,
        Oscar Salvador <osalvador@...e.de>,
        Eric Biederman <ebiederm@...ssion.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Brijesh Singh <brijesh.singh@....com>, X86 ML <x86@...nel.org>,
        Kexec Mailing List <kexec@...ts.infradead.org>
Subject: Re: [PATCH v1 3/3] kernel/resource: remove first_lvl / siblings_only logic

On Mon, Mar 22, 2021 at 9:03 AM David Hildenbrand <david@...hat.com> wrote:
>
> All IORESOURCE_SYSTEM_RAM and IORESOURCE_MEM now properly consider the
> whole resource tree, not just the first level. Let's drop the unused
> first_lvl / siblings_only logic.
>
> All functions properly search the whole tree, so remove documentation
> that indicates that some functions behave differently.

Looks good, and the staging of the potential regressions as standalone
lead-in patches makes sense.

Reviewed-by: Dan Williams <dan.j.williams@...el.com>