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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 3DAF6C67863 for ; Mon, 22 Oct 2018 09:46:14 +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 D52AC20652 for ; Mon, 22 Oct 2018 09:46:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D52AC20652 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 42ds9015dlzDrhS for ; Mon, 22 Oct 2018 20:46:12 +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 TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42drwV1BWpzDrWR for ; Mon, 22 Oct 2018 20:35:22 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix) id 42drwV04wXz9sD3; Mon, 22 Oct 2018 20:35:22 +1100 (AEDT) Received: by ozlabs.org (Postfix, from userid 1034) id 42drwT6w8bz9sDC; Mon, 22 Oct 2018 20:35:21 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: b7683fc66eba91674e52c30f4d8e596bfb5cbcf4 In-Reply-To: <20180724055322.27720-1-mpe@ellerman.id.au> To: Michael Ellerman , linuxppc-dev@ozlabs.org From: Michael Ellerman Subject: Re: selftests/powerpc: Add a test of wild bctr Message-Id: <42drwT6w8bz9sDC@ozlabs.org> Date: Mon, 22 Oct 2018 20:35:21 +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 Tue, 2018-07-24 at 05:53:22 UTC, Michael Ellerman wrote: > This tests that a bctr (Branch to counter and link), ie. a function > call, to a wildly out-of-bounds address is handled correctly. > > Some old kernel versions didn't handle it correctly, see eg: > > "powerpc/slb: Force a full SLB flush when we insert for a bad EA" > https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/157397.html > > Signed-off-by: Michael Ellerman Applied to powerpc next. https://git.kernel.org/powerpc/c/b7683fc66eba91674e52c30f4d8e59 cheers