linux-kernel - Re: [PATCH 2/2] kvm: make KVM_COALESCED_MMIO_PAGE

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]

Date:   Fri, 31 Mar 2017 15:39:23 +0200
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        lei.cao@...atus.com
Subject: Re: [PATCH 2/2] kvm: make KVM_COALESCED_MMIO_PAGE_OFFSET public

2017-03-31 13:53+0200, Paolo Bonzini:
> Its value has never changed; we might as well make it part of the ABI instead
> of using the return value of KVM_CHECK_EXTENSION(KVM_CAP_COALESCED_MMIO).
> 
> Because PPC does not always make MMIO available, the code has to be made
> dependent on CONFIG_KVM_MMIO rather than KVM_COALESCED_MMIO_PAGE_OFFSET.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> ---

I like the change to CONFIG_KVM_MMIO and the interface isn't suited for
dynamic offsets based on enabled features anyway ...

Reviewed-by: Radim Krčmář <rkrcmar@...hat.com>