From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3wjsMY27RqzDqPd for ; Thu, 8 Jun 2017 14:07:37 +1000 (AEST) In-Reply-To: <20170529062644.21634-1-npiggin@gmail.com> To: Nicholas Piggin , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Cc: Nicholas Piggin Subject: Re: powerpc/64s: machine check handle ifetch from foreign real address for POWER9 Message-Id: <3wjsMY1LKcz9s8Y@ozlabs.org> Date: Thu, 8 Jun 2017 14:07:37 +1000 (AEST) List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2017-05-29 at 06:26:44 UTC, Nicholas Piggin wrote: > The i-side 0111b case was missed by 7b9f71f974 ("powerpc/64s: POWER9 > machine check handler"). > > It is possible to trigger this exception by branching to a foreign real > address (bits [8:12] != 0) with instruction relocation off, and verify > the exception cause is found after this patch. > > Fixes: 7b9f71f974 ("powerpc/64s: POWER9 machine check handler") > Reported-by: Mahesh Salgaonkar > Signed-off-by: Nicholas Piggin Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/90df4bfb4d9e00a1ab6885900b808b cheers