From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 22C6B606A320 for ; Sun, 8 Nov 2026 22:40:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20260707 header.b=BPJW0wsm Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4jN7CH4FS2z2y32; Mon, 09 Nov 2026 09:39:55 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2607:f8b0:4864:20::1248" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1794177595; cv=none; b=Mg+TwsrECA8H2UQVe/XfAyk6UivF/8OpUB9nWIJvJ5xIPwjPewezz27jgFyLz3hiai7qflWoChkR2QWihebhFI3m5DDHM+q/NCvfWDQl2iG5YYUNiOAH8WHJ2ZfbYI5o0w/rneXfex58tgFijBLHCAEMsySL77caVpE1NbbUzIS9Ab5piakknMGYUjVilFPg08W9Fe299CGFSemkjSOJDE+qNavdlB9jfhqVKAftzds82GMsrCKUbiBrIbVIUlSJmuNhhsaJ7nvQ7bYJIaOqhpMaTzKNh/PqoZpV/WNdG0dtXD8Yz28VS/TKAm/UZsgdii+aL7ghMjQ916rZG4YM4Q== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1794177595; c=relaxed/relaxed; bh=noN8ey05POi7MkRY5IldCk9pju5ZMENfN/kneqqJ3/c=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=XpQU4RoAHiSGir4m+xuUKLiyD65/UACRkkxT6q19pHs1rhA0+S1sGiXCape+Sk7Zrsy8TV4F6KbRIXbuBL+u7CYAJzTFVWWqPFX7bTEcg7/LOnWwOudrerhSUlrhqyHnlfvDqmtgXTsdqXKOwpYcd59vxv1zz5s1mUBxckLWIvHxDlJQtVTc7cmhVLzlwAjPCBqZ+CrwvCwzI/6uedcNooj4psv7KgdzpgQiexfQzw7/pCorSG9eQHoNte2NAqa8/U9fDjVBe00nlyCRalZI3BYfFd8BFiL3HtKqiufTVtn+u2I1iPNpMPModwPpmDZHGEOnJHdHIbC9U6DiBMGHAA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20260707 header.b=BPJW0wsm; dkim-atps=neutral; spf=pass (client-ip=2607:f8b0:4864:20::1248; helo=mail-dl1-x1248.google.com; envelope-from=3oprwagckde8z85xv89x55x2v.t532z4be66t-uvc2z9a9.5g2rs9.58x@flex--irogers.bounces.google.com; receiver=lists.ozlabs.org) smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20260707 header.b=BPJW0wsm; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=flex--irogers.bounces.google.com (client-ip=2607:f8b0:4864:20::1248; helo=mail-dl1-x1248.google.com; envelope-from=3oprwagckde8z85xv89x55x2v.t532z4be66t-uvc2z9a9.5g2rs9.58x@flex--irogers.bounces.google.com; receiver=lists.ozlabs.org) Received: from mail-dl1-x1248.google.com (mail-dl1-x1248.google.com [IPv6:2607:f8b0:4864:20::1248]) (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 4jN7CH0Cpbz2xmk for ; Mon, 09 Nov 2026 09:39:54 +1100 (AEDT) Received: by mail-dl1-x1248.google.com with SMTP id a92af1059eb24-1ac19c6bc71so293005c88.0 for ; Sun, 08 Nov 2026 14:39:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20260707; t=1794177593; x=1794782393; darn=lists.ozlabs.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=noN8ey05POi7MkRY5IldCk9pju5ZMENfN/kneqqJ3/c=; b=BPJW0wsmJ2TlF6k+1G4FJl+6Smpndpcc6SW8SsZrHG4b4hJfB8tYMOubrNjqEzyJz4 xgd3enkn5q0m+EzMPmqNTHH6diu4Bc84uc57VCmLQeRpoLSw6wmM0R6mf79PYneiryng d3RYqjrLXRAaFjcoX+NIDVMhDnXSI+aGsYRkQvuejoH7mLoyvr4TPurw+4zg7K14wLCI GDuMcWACDhZciQsMxo2TeNQkuN45/kJEZhLYZfYf1gweJD2VnHxFtyka+2kYOX7hLggY sAnx53or6CPQ56SWu/bxBJRRu+rc2lHqkmIiOkD40MGw433nluik88CmoSeEXfSpnOot /WAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794177593; x=1794782393; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=noN8ey05POi7MkRY5IldCk9pju5ZMENfN/kneqqJ3/c=; b=0bUKaJ4cMhKD35KWg+ztT32ZqjdUqYXfzTljNHhjD/hLKAJ6mLsXuibC0+xxHfHDkJ sAhP0H2OwU0DgjgCTXJk/OWKc1M7p3g9fnYyGJfaccZCazbsBjPXw9dT1aVj8Qsrjew/ D+AepclxplOpz4yXix9F2I6KfRgDNefKQpYBXq+4bTa7sdYQQPV1LmjSfpEDlrzuNxea 6qMZMSDKCIX6ElPVvU/pQtIPhzbjzrWX+E5oerOWCMBP8SNYBdVJ6lCsbtZxSZ307n8I vVtD4XnJQr1ok7bYgH89v23v9QYNGgPYR5ZPg2z6hgvdwWpUVv+jvL2PZgsVyDSkITrd FkMg== X-Forwarded-Encrypted: i=1; AL+hErEMo1Q7ZuMQbeYsuqaE0EsFYWqvszN2rZPHDFMvuTqA7UTdpE4rmhUV+AYFCf8AcIPijgI1nevxMJ21bkI=@lists.ozlabs.org X-Gm-Message-State: APuU4Z/lHhZwyzUGxqJQtJ/6XWCwdXVVA/5PfYgix2ZM776Rhqiaxzxe K1W3tz8dpAmFdVhJLF77XcT3lHFG49be3bb8hvVogGQ51TkA7sMh7x0fQSAZgKnWibtyPNO+HYw azmNT74ulSA== X-Received: from dlam9-n1.prod.google.com ([2002:a05:701b:2089:10b0:195:beb6:14cc]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:28b:10b0:1b0:430d:d81c with SMTP id a92af1059eb24-1b39feab6a4mr3897188c88.25.1794177592505; Sun, 08 Nov 2026 14:39:52 -0800 (PST) Date: Sun, 8 Nov 2026 14:39:10 -0800 In-Reply-To: <20261108223913.3624571-1-irogers@google.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: Mime-Version: 1.0 References: <20261108223913.3624571-1-irogers@google.com> X-Mailer: git-send-email 2.56.0.455.g6c5a503b38-goog Message-ID: <20261108223913.3624571-7-irogers@google.com> Subject: [PATCH v3 6/9] xen/sys-hypervisor: Add release callback to hyp_sysfs_kobj_type From: Ian Rogers To: Danilo Krummrich , Greg Kroah-Hartman , Kees Cook , Miguel Ojeda , "Rafael J . Wysocki" Cc: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Nayna Jain , Srish Srinivasan , Mimi Zohar , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Nathan Chancellor , Nick Desaulniers , Viresh Kumar , Zhongqiu Han , Alexander Aring , Felix Kuehling , "=?UTF-8?q?Christian=20K=C3=B6nig?=" , Zhihao Cheng , Sumanth Korikkar , Bill Wendling , Justin Stitt , driver-core@lists.linux.dev, llvm@lists.linux.dev, linux-hardening@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, linux-s390@vger.kernel.org, gfs2@lists.linux.dev, xen-devel@lists.xenproject.org, linux-mtd@lists.infradead.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Ian Rogers Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 hypervisor_init() in drivers/base/hypervisor.c creates hypervisor_kobj with kobject_create_and_add() (which allocates a dynamic kobject using dynamic_kobj_ktype), and hypervisor_subsys_init() in drivers/xen/sys-hypervisor.c then overwrites hypervisor_kobj->ktype with &hyp_sysfs_kobj_type, which had no .release callback. Add hyp_sysfs_release() calling kfree(kobj) to preserve the dynamic kobject release behavior. Fixes: cff7e81b3dd7 ("xen: add /sys/hypervisor support") Signed-off-by: Ian Rogers --- drivers/xen/sys-hypervisor.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c index 91923242a5ae..0e8a2cd69fd6 100644 --- a/drivers/xen/sys-hypervisor.c +++ b/drivers/xen/sys-hypervisor.c @@ -659,7 +659,13 @@ static const struct sysfs_ops hyp_sysfs_ops = { .store = hyp_sysfs_store, }; +static void hyp_sysfs_release(struct kobject *kobj) +{ + kfree(kobj); +} + static const struct kobj_type hyp_sysfs_kobj_type = { + .release = hyp_sysfs_release, .sysfs_ops = &hyp_sysfs_ops, }; -- 2.56.0.455.g6c5a503b38-goog