linux-kernel - Re: [PATCH v2 10/10] kvm: arm64: Remove unnecessary hyp mappings

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: <20200916133504.7v5j7y5ccajw2a7s@google.com>
Date:   Wed, 16 Sep 2020 14:35:04 +0100
From:   David Brazdil <dbrazdil@...gle.com>
To:     Andrew Scull <ascull@...gle.com>
Cc:     Marc Zyngier <maz@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Dennis Zhou <dennis@...nel.org>,
        Tejun Heo <tj@...nel.org>, Christoph Lameter <cl@...ux.com>,
        Arnd Bergmann <arnd@...db.de>,
        James Morse <james.morse@....com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kvmarm@...ts.cs.columbia.edu, linux-arch@...r.kernel.org,
        kernel-team@...roid.com
Subject: Re: [PATCH v2 10/10] kvm: arm64: Remove unnecessary hyp mappings

> > +	for_each_possible_cpu(cpu)
> > +		*(per_cpu_ptr_nvhe(arm64_ssbd_callback_required, cpu)) =
> > +			per_cpu(arm64_ssbd_callback_required, cpu);
> 
> Careful with breaking allocations across lines, that seems to be taboo
> in this subsystem.

Happy to put the `ptr` var back. Sorry *embarrassed emoji*.

Thanks for reviewing,
David