Date: Wed, 31 Jan 2018 08:49:16 -0500 From: Paolo Bonzini <pbonzini@...hat.com> To: Thomas Gleixner <tglx@...utronix.de>, Dan Williams <dan.j.williams@...el.com> Cc: Ingo Molnar <mingo@...nel.org>, linux-arch <linux-arch@...r.kernel.org>, Kernel Hardening <kernel-hardening@...ts.openwall.com>, Andrew Honig <ahonig@...gle.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Greg KH <gregkh@...uxfoundation.org>, Alan Cox <alan@...ux.intel.com>, Linus Torvalds <torvalds@...ux-foundation.org>, Jim Mattson <jmattson@...gle.com> Subject: Re: [PATCH v6 11/13] kvm, x86: update spectre-v1 mitigation On 31/01/2018 03:07, Thomas Gleixner wrote: >> Hi Thomas, >> >> I notice this one missing from -tip, I suspect because of the >> collision with the raw 'lfence' that is in current mainline? No >> worries, I'll send a rebased fixup to Paolo directly once >> array_idx_nospec() goes upstream. Fine by me. Also, now that x86/pti has been rebased, a version that replaces the lfence with array_idx_nospec() would apply to both tip and 4.14. Paolo > It did not apply for that reason and I'm still trying to keep x86/pti as > clean as it goes to keep GregKHs backporting hell somehow under control.
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