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Date: Thu, 18 Sep 2014 12:54:13 -0400 From: Sasha Levin <sasha.levin@...cle.com> To: Andrey Ryabinin <a.ryabinin@...sung.com> CC: "H. Peter Anvin" <hpa@...or.com>, Dave Hansen <dave.hansen@...el.com>, Andrey Ryabinin <ryabinin.a.a@...il.com>, LKML <linux-kernel@...r.kernel.org>, Dmitry Vyukov <dvyukov@...gle.com>, Konstantin Serebryany <kcc@...gle.com>, Dmitry Chernenkov <dmitryc@...gle.com>, Andrey Konovalov <adech.fo@...il.com>, Yuri Gribov <tetra2005@...il.com>, Konstantin Khlebnikov <koct9i@...il.com>, Christoph Lameter <cl@...ux.com>, Joonsoo Kim <iamjoonsoo.kim@....com>, Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <andi@...stfloor.org>, Vegard Nossum <vegard.nossum@...il.com>, "x86@...nel.org" <x86@...nel.org>, "linux-mm@...ck.org" <linux-mm@...ck.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com> Subject: Re: [RFC/PATCH v2 02/10] x86_64: add KASan support On 09/11/2014 07:51 AM, Andrey Ryabinin wrote: > On 09/11/2014 08:29 AM, Sasha Levin wrote: >> > On 09/11/2014 12:26 AM, H. Peter Anvin wrote: >>> >> Except you just broke PVop kernels. >> > >> > So is this why v2 refuses to boot on my KVM guest? (was digging >> > into that before I send a mail out). >> > > Maybe this will help? > > > From: Andrey Ryabinin <a.ryabinin@...sung.com> > Subject: [PATCH] x86_64: kasan: fix kernel boot with CONFIG_DEBUG_VIRTUAL=y > > Use __pa_nodebug instead of __pa before shadow initialized. > __pa with CONFIG_DEBUG_VIRTUAL=y may result in __asan_load > call before shadow area initialized. Woops, I got sidetracked and forgot to reply. Yes, this patch fixed the issue, KASan is running properly now. Thanks, Sasha -- 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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