linux-kernel - Re: [tip:x86/mm] kdump, proc/vmcore: Enable kdumping encrypted memory with SME enabled

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: <20181008085909.GC6490@zn.tnic>
Date:   Mon, 8 Oct 2018 10:59:09 +0200
From:   Borislav Petkov <bp@...e.de>
To:     lijiang <lijiang@...hat.com>
Cc:     linux-kernel@...r.kernel.org, mingo@...nel.org, tglx@...utronix.de,
        hpa@...or.com, linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/mm] kdump, proc/vmcore: Enable kdumping encrypted
 memory with SME enabled

On Mon, Oct 08, 2018 at 04:47:34PM +0800, lijiang wrote:
> It looks like a good way to avoid the 'ifdefined', and it's also good enough for i386.
> 
> But for other architectures, such as POWERPC/ARM..., we will also have to add the same 
> function for every architecture. Otherwise, i guess that they also have a same compile
> error on other architectures.

Yap, just realized that and looking at the rest of fs/proc/vmcore.c -
such functions are defined with the __weak attribute. Lemme see if that
works better.

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)