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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C9C3BC433EF for ; Sat, 19 Feb 2022 01:05:09 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4K0r2W44s6z3cXp for ; Sat, 19 Feb 2022 12:05:07 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=h2mGDPh7; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=145.40.68.75; helo=ams.source.kernel.org; envelope-from=bugzilla-daemon@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=h2mGDPh7; dkim-atps=neutral Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4K0r1f5ztHz30hR for ; Sat, 19 Feb 2022 12:04:22 +1100 (AEDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id AC4F7B82677 for ; Sat, 19 Feb 2022 01:04:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 5E10DC340E9 for ; Sat, 19 Feb 2022 01:04:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645232657; bh=wkI/pBuswK/mBdxQk+aVpQRWRi8qB3xGK9kNsB+Pigs=; h=From:To:Subject:Date:From; b=h2mGDPh7bAYi+tusf3W4WHeMvNbyI+ijHQSTTHvUtDP9jVI6oWRhiOiB16gNrzqXF WbEljWLlQVV3tsgDqq1VcAhpMWpLSCwKWgJl73V5mEpAy2UPXSdv5gVQWXCLcBseAS vI8lmwWFTLxmmdfsb761RQMS+Y2uoZuQyk4EW2H9MaScwRgvgjJh3WgYXWhsvMfFEZ XG8SQwBjvXZdEoyCukpselvcYm0tVZ57JUG5JzWS+H4Lu+wu1plT2rYCI+6Sdyscby by24UJLnDtXXykaQyHr2RHaqOzUWjwqoYMXPmU5wUrTuuQazZRdTFkTvVXJSeSxHA8 s6mhHj79LtB4w== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 33223C05FCE; Sat, 19 Feb 2022 01:04:17 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linuxppc-dev@lists.ozlabs.org Subject: [Bug 215621] New: Warning: Unable to mark rodata read only on this CPU. (PPC970MP) Date: Sat, 19 Feb 2022 01:04:16 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo platform_ppc-64@kernel-bugs.osdl.org X-Bugzilla-Product: Platform Specific/Hardware X-Bugzilla-Component: PPC-64 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: erhard_f@mailbox.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: platform_ppc-64@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version cf_kernel_version rep_platform op_sys cf_tree bug_status bug_severity priority component assigned_to reporter cf_regression attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 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" https://bugzilla.kernel.org/show_bug.cgi?id=3D215621 Bug ID: 215621 Summary: Warning: Unable to mark rodata read only on this CPU. (PPC970MP) Product: Platform Specific/Hardware Version: 2.5 Kernel Version: 5.17-rc4 Hardware: PPC-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: PPC-64 Assignee: platform_ppc-64@kernel-bugs.osdl.org Reporter: erhard_f@mailbox.org Regression: No Created attachment 300482 --> https://bugzilla.kernel.org/attachment.cgi?id=3D300482&action=3Dedit dmesg (5.17-rc4, PowerMac G5 11,2) STRICT_MODULE_RWX is enabled in kernel but it does not seem to work on my PowerMac G5 11,2. Kernel dmesg says: [...] Freeing unused kernel image (initmem) memory: 3968K Warning: Unable to mark rodata read only on this CPU. rodata_test: test data was not read only [...] # lscpu=20 Architecture: ppc64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Big Endian CPU(s): 2 On-line CPU(s) list: 0,1 Model name: PPC970MP, altivec supported Model: 1.1 (pvr 0044 0101) Thread(s) per core: 1 Core(s) per socket: 2 Socket(s): 1 CPU max MHz: 2300.0000 CPU min MHz: 1150.0000 Caches (sum of all):=20=20=20 L1d: 64 KiB (2 instances) L1i: 128 KiB (2 instances) L2: 2 MiB (2 instances) NUMA:=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerabilities:=20=20=20=20=20=20=20 Itlb multihit: Not affected L1tf: Vulnerable Mds: Not affected Meltdown: Vulnerable Spec store bypass: Vulnerable Spectre v1: Mitigation; __user pointer sanitization Spectre v2: Vulnerable Srbds: Not affected Tsx async abort: Not affected --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=