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=-6.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 0CA16C433DB for ; Wed, 10 Feb 2021 14:27:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE61B64E7C for ; Wed, 10 Feb 2021 14:27:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230229AbhBJO1t (ORCPT ); Wed, 10 Feb 2021 09:27:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:37782 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231710AbhBJO1s (ORCPT ); Wed, 10 Feb 2021 09:27:48 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 417EF64E0B; Wed, 10 Feb 2021 14:27:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1612967227; bh=R6KnKC5AFJDqls2fhml6j2fw/BA3txg7oLng2Y8/TPw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qpuMik236BjdZVxALhJbyDR6AlFU+W4vfGOC2CDInoKR0pNP5t8noOq3zuo/UhBTf /4Nnd/XFJcpvvMVzXKrUGKojUHFst55R4e/iS2xX6+fnSk+JVcn1mUXWSkCeMK7IHm rIb4MD+nCyVDcd6Ajr1zJj1OrmYmHCIHDkRcACNg= Date: Wed, 10 Feb 2021 15:27:05 +0100 From: Greg KH To: Raoni Fassina Firmino Cc: stable@vger.kernel.org, Michael Ellerman , Nicholas Piggin Subject: Re: [PATCH] powerpc/64/signal: Fix regression in __kernel_sigtramp_rt64() semantics Message-ID: References: <20210209150240.epboynhzuaia4qyr@work-tp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210209150240.epboynhzuaia4qyr@work-tp> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Feb 09, 2021 at 12:02:40PM -0300, Raoni Fassina Firmino wrote: > Repeated the same tests as the upstream code on top of v5.10.14 and > v5.9.16, tested on powerpc64 and powerpc64le, with a glibc build and > running the affected glibc's testcase[2], inspected that glibc's > backtrace() now gives the correct result and gdb backtrace also keeps > working as before. > > I believe this should be backported to releases 5.9 and 5.10 as > userspace is affected in this releases. I hope I had tagged this > correctly in the patch. Now added to 5.10.y, 5.9.y is long end-of-life so there is nothing we can do there, sorry. thanks for the backport, greg k-h