From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20E55C43610 for ; Tue, 13 Nov 2018 12:25:03 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CA2DD223C8 for ; Tue, 13 Nov 2018 12:25:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA2DD223C8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42vRf35q3YzF3L5 for ; Tue, 13 Nov 2018 23:24:59 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42vRRx1V2YzF3LD for ; Tue, 13 Nov 2018 23:16:13 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix) id 42vRRw1nNfz9sBZ; Tue, 13 Nov 2018 23:16:12 +1100 (AEDT) Received: by ozlabs.org (Postfix, from userid 1034) id 42vRRv66Hzz9sDC; Tue, 13 Nov 2018 23:16:11 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 2c7645b0f7d1014f2636393de7906c6bfd25939f In-Reply-To: <20181112024606.17056-1-mpe@ellerman.id.au> To: Michael Ellerman , linuxppc-dev@ozlabs.org From: Michael Ellerman Subject: Re: [v2] selftests/powerpc: Fix wild_bctr test to work on ppc64 Message-Id: <42vRRv66Hzz9sDC@ozlabs.org> Date: Tue, 13 Nov 2018 23:16:11 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, 2018-11-12 at 02:46:06 UTC, Michael Ellerman wrote: > The selftest I recently added to test branching to an out-of-bounds > NIP doesn't work on 64-bit big endian. It does fail but not in the > right way. That is it SEGVs trying to load from the opd at BAD_NIP, > but it never gets as far as branching to BAD_NIP. > > To fix it we need to create an opd which is reachable but which holds > the bad address. > > Fixes: b7683fc66eba ("selftests/powerpc: Add a test of wild bctr") > Signed-off-by: Michael Ellerman Applied to powerpc fixes. https://git.kernel.org/powerpc/c/2c7645b0f7d1014f2636393de7906c cheers