linux-kernel - Re: [PATCH V2 1/3] mm/hotplug: Prevalidate the address range being added with platform

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210111134303.GA3031@linux>
Date:   Mon, 11 Jan 2021 14:43:08 +0100
From:   Oscar Salvador <osalvador@...e.de>
To:     David Hildenbrand <david@...hat.com>
Cc:     Anshuman Khandual <anshuman.khandual@....com>, linux-mm@...ck.org,
        akpm@...ux-foundation.org, hca@...ux.ibm.com,
        catalin.marinas@....com, linux-arm-kernel@...ts.infradead.org,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Will Deacon <will@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH V2 1/3] mm/hotplug: Prevalidate the address range being
 added with platform

On Mon, Jan 11, 2021 at 11:51:47AM +0100, David Hildenbrand wrote:
> AFAIKs, all memhp_get_pluggable_range() users pass "1".
> 
> What about the "add_pages()-only" path?

I guess you refer to memremap_pages(), right?
If so, moving the added memhp_range_allowed() check above the if-else might do
the trick

-- 
Oscar Salvador
SUSE L3