linux-kernel - Re: [PATCH 1/3] KVM: VMX: Introduce per-VM I/O permission bitmaps

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, 11 May 2018 11:39:22 -0400
From:   Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:     Wanpeng Li <kernellwp@...il.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Tim Shearer <tshearer@...aoptical.com>,
        Liran Alon <liran.alon@...cle.com>
Subject: Re: [PATCH 1/3] KVM: VMX: Introduce per-VM I/O permission bitmaps

>  	/*
> -	 * A vmexit (to either L1 hypervisor or L0 userspace) is always needed
> -	 * for I/O port accesses.
> +	 * Merging of IO bitmap not currently supported.

s/not/is not/

And with that

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>

Thank you!
> +	 * Rather, exit every time.
>  	 */
>  	exec_control &= ~CPU_BASED_USE_IO_BITMAPS;
>  	exec_control |= CPU_BASED_UNCOND_IO_EXITING;
> -- 
> 2.7.4
>