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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3E54C433EF for ; Wed, 13 Jul 2022 19:53:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236876AbiGMTxn (ORCPT ); Wed, 13 Jul 2022 15:53:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236548AbiGMTxh (ORCPT ); Wed, 13 Jul 2022 15:53:37 -0400 Received: from mail-ej1-x630.google.com (mail-ej1-x630.google.com [IPv6:2a00:1450:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 13C691086 for ; Wed, 13 Jul 2022 12:53:35 -0700 (PDT) Received: by mail-ej1-x630.google.com with SMTP id dn9so21698570ejc.7 for ; Wed, 13 Jul 2022 12:53:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=l/Aa2i/NI4m1X4kDhlcdt3Xuwk3YVyAJSEMRolDuwOA=; b=qiaNyi8gZbGRch/EC5OIQUoxCWCSrVioaObBXX79HXG2BJYmQfyYBkJp8dltsZ6qHB 7BYRLE1rgxaG/xHfdYJEows6S6wzSvLzSyU8rzJD1WMoSq070XIxwgMpQ9rJKYJ6vG2q fJ201m2Z8ViUVWCmPsMieh9XzhEwQTOYUvr7D/cYC5c7g3l7WBHvs1dWlDNZM1LL87I6 Nr9RzTTN+m3JHMGJMeVRhSHYjiWzhBrPooLBFzhckw8XTr/ZR3+hd9Fa2UdEU4y7swvi NI0tBE574JkpgAXpXwXtX5QjtZzYS4oZD0kiMHZ/Um5fHa8RMHfsIq8+kQ405nIQQERm tG3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=l/Aa2i/NI4m1X4kDhlcdt3Xuwk3YVyAJSEMRolDuwOA=; b=Qj7jc5E6s3RyX8PWB9dnJKyZXYYDRLN2V1xeN+8Z6UTWfxO7R0q8SJlTtszE9Nc/tF A9JEuzg0fh4m+wD6fg3oxrdWY2M1cDem/opJfWUgQjzwv6QTLEKKJUvD+Dc0q3N0tCsu GDqNf4xWoXMGZV8D99jsriHfwIcF9vBv1/X1CBNJUShdeIQu3H+YccQGwAgeanq6Z8Kv 9iXyRDfC7klfuMyFE201agylwpJ1oCTvgGxJITBefoqFmL6M3FTC5srXrujM2Nto5eZP NPy+cB+UYvvbDi00aXmcZaRDqKAE6I61oPoE8L3LRaNTfB9pijk9u1L/03yKeWE0+GDR xwJQ== X-Gm-Message-State: AJIora+1S9kZdTIDDVDjG8QWin2CkxizX2n0USP1MAXpwa59QliTaRrt ohPFFahGo+UIXe0fBJ2UGWal3FOx/Sh2l113u7M= X-Google-Smtp-Source: AGRyM1uBA9rYKWyS3Q9KrdsjlMnntUrL2Kqp2HZq2hLys6YhMbT1RuIVmkQvn48D4AnLbW4aesEal694MksFCwDvDQk= X-Received: by 2002:a17:907:1623:b0:72b:64e3:878a with SMTP id hb35-20020a170907162300b0072b64e3878amr5085294ejc.185.1657742013675; Wed, 13 Jul 2022 12:53:33 -0700 (PDT) MIME-Version: 1.0 References: <20220713050724.GA2471738@roeck-us.net> In-Reply-To: From: Alex Deucher Date: Wed, 13 Jul 2022 15:53:21 -0400 Message-ID: Subject: Re: Linux 5.19-rc6 To: Linus Torvalds Cc: Guenter Roeck , Harry Wentland , Leo Li , Alex Deucher , Balbir Singh , Daniel Axtens , Paul Mackerras , Michael Ellerman , Kefeng Wang , "Russell King (Oracle)" , Linux Kernel Mailing List , amd-gfx list Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 13, 2022 at 3:42 PM Linus Torvalds wrote: > > On Tue, Jul 12, 2022 at 10:07 PM Guenter Roeck wrote: > > > > Same problems as every week. > > > > Building powerpc:allmodconfig ... failed > > Ok, this has been going on since -rc1, which is much too long. > > From your patch submission that that was rejected: > > > The problem was introduced with commit 41b7a347bf14 ("powerpc: Book3S > > 64-bit outline-only KASAN support") which adds support for KASAN. This > > commit in turn enables DRM_AMD_DC_DCN because KCOV_INSTRUMENT_ALL and > > KCOV_ENABLE_COMPARISONS are no longer enabled. As result, new files are > > compiled which lack the selection of hard-float. > > And considering that neither the ppc people nor the drm people seem > interested in fixing this, and it doesn't revert cleanly I think the > sane solution seems to be to just remove PPC64 support for DRM_AMD_DC > entirely. Does this patch fix it? https://patchwork.freedesktop.org/patch/493799/ Alex > > IOW, does something like this (obviously nor a proper patch, but you > get the idea) fix the ppc build for you? > > @@ -6,7 +6,7 @@ config DRM_AMD_DC > bool "AMD DC - Enable new display engine" > default y > select SND_HDA_COMPONENT if SND_HDA_CORE > - select DRM_AMD_DC_DCN if (X86 || PPC64) && > !(KCOV_INSTRUMENT_ALL && KCOV_ENABLE_COMPARISONS) > + select DRM_AMD_DC_DCN if X86 && !(KCOV_INSTRUMENT_ALL && > KCOV_ENABLE_COMPARISONS) > help > Choose this option if you want to use the new display engine > support for AMDGPU. This adds required support for Vega and > > > OF: amba_device_add() failed (-19) for /amba/smc@10100000 > > ------------[ cut here ]------------ > > WARNING: CPU: 0 PID: 1 at lib/refcount.c:28 of_platform_bus_create+0x33c/0x3dc > > refcount_t: underflow; use-after-free. > > This too has been going on since -rc1, but it's not obvious what caused it. > > At a guess, looking around the amba changes, I'm assuming it's > > 7719a68b2fa4 ("ARM: 9192/1: amba: fix memory leak in amba_device_try_add()") > > Does reverting that commit make it go away? > > Linus