From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 89BAA14F76 for ; Thu, 21 Sep 2023 17:22:28 +0000 (UTC) Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23C6F4F907 for ; Thu, 21 Sep 2023 10:15:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1695299186; bh=bC6X1py1SuoJtQxgFRw2Ryvn0wAzoIONYvfkgObrO/E=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=b687BW/TgpeWKwniyy7LJa+Q+crc7hK9dcN5nxIiKaTQwPR20r4+nJoMYJ7svqNCj /9RmYxIq7saR8Kb1/TIP2XEODSZ4i5hv8Q/hZeq7pF11pfpX5EG7q1Ib7+4WXf6b2Q 8A7PwdhUfkL042R8T1EpbwTr+S5QU+MY4gwQ/D/+Jhje4RjhdUNe7v4w4rDLoIRrDx s08TCC0peYnEmH8y4ZL3QgHOv3QQcIu5t8azjGBN2Ko+2/C5eKQHnbVvMwhyhxAywb 8wqnarIilxNt6r1mqCBJ+jahygWV0uJGWRAKev5Wx5qUJzMjPWTsO/6HidLroKFqhB RpNBBqLs/S+hw== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4RrvlP6nYLz4wy9; Thu, 21 Sep 2023 22:26:25 +1000 (AEST) From: Michael Ellerman To: Petr Mladek , Joe Lawrence Cc: linuxppc-dev@lists.ozlabs.org, live-patching@vger.kernel.org, Ryan Sullivan , Nicholas Piggin Subject: Re: Recent Power changes and stack_trace_save_tsk_reliable? In-Reply-To: References: <87o7ipxtdc.fsf@mail.lhotse> <87il8xxcg7.fsf@mail.lhotse> Date: Thu, 21 Sep 2023 22:26:22 +1000 Message-ID: <8734z7ogpd.fsf@mail.lhotse> Precedence: bulk X-Mailing-List: live-patching@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Petr Mladek writes: > On Wed 2023-08-30 17:47:35, Joe Lawrence wrote: >> On 8/30/23 02:37, Michael Ellerman wrote: >> > Michael Ellerman writes: >> >> Joe Lawrence writes: >> >>> We noticed that our kpatch integration tests started failing on ppc64le >> >>> when targeting the upstream v6.4 kernel, and then confirmed that the >> >>> in-tree livepatching kselftests similarly fail, too. From the kselftest >> >>> results, it appears that livepatch transitions are no longer completing. ... >> > >> > The diff below fixes it for me, can you test that on your setup? >> > >> >> Thanks for the fast triage of this one. The proposed fix works well on >> our setup. I have yet to try the kpatch integration tests with this, >> but I can verify that all of the kernel livepatching kselftests now >> happily run. > > Have this been somehow handled, please? I do not see the proposed > change in linux-next as of now. I thought I was waiting for Joe to run the kpatch integration tests, but in hindsight maybe he was hinting that someone else should run them (ie. me) ;) Patch incoming. cheers