linux-kernel - Re: [PATCH] x86/mm: Fix RESERVE

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] [day] [month] [year] [list]

Date:   Wed, 8 Jun 2022 16:33:30 -0700
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     Joe Damato <jdamato@...tly.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Cooper <Andrew.Cooper3@...rix.com>,
        jiangshanlai@...il.com, bp@...e.de, brgerst@...il.com
Subject: Re: [PATCH] x86/mm: Fix RESERVE_BRK() for older binutils

On Wed, Jun 08, 2022 at 03:57:27PM -0700, Josh Poimboeuf wrote:
> On Thu, Jun 09, 2022 at 01:12:09AM +0300, Joe Damato wrote:
> > I applied the patch on top of commit 58f9d52ff689 ("Merge tag
> > 'net-5.19-rc1' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net") and the kernel
> > now builds successfully for me.
> > 
> > The resulting kernel boots fine on the machine, as well.
> > 
> > Tested-by: Joe Damato <jdamato@...tly.com>
> 
> Thanks.  Unfortunately, the LLVM linker doesn't like the patch...

I've discovered that if you put a variable in ".bss..whatever", the
section will magically be made NOBITS.  Will try that for v2.

-- 
Josh