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Message-ID: <CAGXu5jJcwh9WYTOQQ1hznSm-UpSQN+OLUWWH4aNR3UD_snWu3A@mail.gmail.com> Date: Thu, 17 Jul 2014 11:48:55 -0700 From: Kees Cook <keescook@...omium.org> To: Andy Lutomirski <luto@...capital.net> Cc: kvm@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>, "Theodore Ts'o" <tytso@....edu>, LKML <linux-kernel@...r.kernel.org>, "x86@...nel.org" <x86@...nel.org>, Daniel Borkmann <dborkman@...hat.com>, Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>, Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>, Gleb Natapov <gleb@...nel.org>, Paolo Bonzini <pbonzini@...hat.com>, bsd@...hat.com, Andrew Honig <ahonig@...gle.com> Subject: Re: [PATCH v4 5/5] x86,kaslr: Use MSR_KVM_GET_RNG_SEED for KASLR if available On Thu, Jul 17, 2014 at 11:22 AM, Andy Lutomirski <luto@...capital.net> wrote: > It's considerably better than any of the alternatives on KVM. > > Rather than reinventing all of the cpu feature query code, this fixes > native_cpuid to work in PIC objects. > > I haven't combined it with boot/cpuflags.c's cpuid implementation: > including asm/processor.h from boot/cpuflags.c results in a flood of > unrelated errors, and fixing it might be messy. > > Signed-off-by: Andy Lutomirski <luto@...capital.net> This will be very nice to have under kvm! Reviewed-by: Kees Cook <keescook@...omium.org> Thanks, -Kees -- Kees Cook Chrome OS Security -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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