linux-kernel - Re: linux-next: build warnings after merge of the block tree

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: <20230412165652.umuiemo7ifnhr2nz@treble>
Date:   Wed, 12 Apr 2023 09:56:52 -0700
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warnings after merge of the block tree

On Wed, Apr 12, 2023 at 10:44:11AM -0600, Jens Axboe wrote:
> On 4/12/23 10:35 AM, Jens Axboe wrote:
> > On 4/12/23 10:25?AM, Josh Poimboeuf wrote:
> >> On Wed, Apr 12, 2023 at 01:44:00PM +0200, Peter Zijlstra wrote:
> >>> On Tue, Apr 11, 2023 at 05:14:00PM -0700, Josh Poimboeuf wrote:
> >>>
> >>>> Peter, what do you think, should we make track uaccess state across
> >>>> function boundaries?
> >>>
> >>> So IIRC the goal was to explicitly dis-allow that. You want minimal code
> >>> executed with STAC and hence disallow calling stuff.
> >>
> >> I guess I was wondering if we could make an exception for calls to
> >> static IPA-optimized functions, so we wouldn't have to scramble to "fix"
> >> compiler optimizations.
> >>
> >> But for now, yeah let's just keep it simple.
> >>
> >> Jens, can you confirm this works?  I added __noclone instead of removing
> >> static.
> > 
> > Yep, works for me.
> 
> Want me to slap that patch on top of the branch that has the commit
> that causes it?

Yes, please.  Thanks!

-- 
Josh