linux-kernel - Re: [PATCH v3 7/7] arm64: support PREEMPT

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: <20220210155804.GA567552@lothringen>
Date:   Thu, 10 Feb 2022 16:58:04 +0100
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, ardb@...nel.org,
        bp@...en8.de, catalin.marinas@....com, dave.hansen@...ux.intel.com,
        james.morse@....com, joey.gouly@....com, juri.lelli@...hat.com,
        linux-kernel@...r.kernel.org, luto@...nel.org, mingo@...hat.com,
        peterz@...radead.org, tglx@...utronix.de,
        valentin.schneider@....com, will@...nel.org
Subject: Re: [PATCH v3 7/7] arm64: support PREEMPT_DYNAMIC

On Thu, Feb 10, 2022 at 12:00:56PM +0000, Mark Rutland wrote:
> On Thu, Feb 10, 2022 at 09:38:37AM +0000, Mark Rutland wrote:
> > On Wed, Feb 09, 2022 at 08:57:09PM +0100, Frederic Weisbecker wrote:
> > > On Wed, Feb 09, 2022 at 03:35:35PM +0000, Mark Rutland wrote:
> > > > Note that PREEMPT_DYNAMIC is `def bool y`, so this will default to
> > > > enabled.
> > > 
> > > It should probably be "def_bool y if HAVE_STATIC_CALL_INLINE"...
> > 
> > Sure; I'm more than happy to fold that into patch 5.
> 
> For the moment I've made that:
> 
> 	def_bool y if HAVE_PREEMPT_DYNAMIC_CALL
> 
> ... since that fit more neatly with the other bits I had to add, and didn't
> change the existing behaviour of 32-bit x86.
> 
> Please shout if you think that should be HAVE_STATIC_CALL_INLINE specifically!

I seem to remember peterz didn't mind keeping it default y as long as
HAVE_STATIC_CALL*. So I guess that's fine.

Thanks!