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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=unavailable 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 5BB9BC433FF for ; Tue, 30 Jul 2019 22:56:24 +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 0F9C12054F for ; Tue, 30 Jul 2019 22:56:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F9C12054F 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 45ysP15xtRzDqYM for ; Wed, 31 Jul 2019 08:56:21 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 45ysFy5qlLzDqLJ for ; Wed, 31 Jul 2019 08:50:14 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix) id 45ysFx6CKcz9sDQ; Wed, 31 Jul 2019 08:50:13 +1000 (AEST) Received: by ozlabs.org (Postfix, from userid 1034) id 45ysFx2Nxqz9sMr; Wed, 31 Jul 2019 08:50:12 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: cee3536d24a1d5db66b9f68c3ece0af128187ab4 In-Reply-To: <20190724140259.23554-1-mpe@ellerman.id.au> To: Michael Ellerman , linuxppc-dev@ozlabs.org From: Michael Ellerman Subject: Re: [PATCH v2] powerpc: Wire up clone3 syscall Message-Id: <45ysFx2Nxqz9sMr@ozlabs.org> Date: Wed, 31 Jul 2019 08:50:12 +1000 (AEST) 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: , Cc: asolokha@kb.kras.ru, linux-kernel@vger.kernel.org, christian@brauner.io Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, 2019-07-24 at 14:02:59 UTC, Michael Ellerman wrote: > Wire up the new clone3 syscall added in commit 7f192e3cd316 ("fork: > add clone3"). > > This requires a ppc_clone3 wrapper, in order to save the non-volatile > GPRs before calling into the generic syscall code. Otherwise we hit > the BUG_ON in CHECK_FULL_REGS in copy_thread(). > > Lightly tested using Christian's test code on a Power8 LE VM. > > Signed-off-by: Michael Ellerman Applied to powerpc fixes. https://git.kernel.org/powerpc/c/cee3536d24a1d5db66b9f68c3ece0af128187ab4 cheers