From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 61DE523E358; Wed, 28 Jan 2026 15:32:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769614367; cv=none; b=szSxYDewgF1O+aOpwZXg23DGrp2LCe/trNtTaBnKgr7mdRTkTx+5eMuLZrUimCq5Rn0ZceEKTOfjR/bN6FY/igQ4Veab38oo+tm7/pTRZ4MHwijOgONmD1sCpx9PCi24n1+IbovgEJOc4BlpXxllN3/RvMwEYpbGZhR/2NDa/O4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769614367; c=relaxed/simple; bh=FiHB6+mYOqJikbsQ/BlK8w3YWwdjKimpP7y2wFywWCc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ac/tZl2T1o1TW54E5sOkgOqMeIhBRw6UlJ1vgqqG2zvrVrfLJvhSPP0pKwhRubBSQsupjSdsJVholj6vQKwcN4tpO+mmiIWvk/7T4Lr0fmexLYsRc0gSSVFH9TfseYJIQD6PvJLl8Up4kke8YwSuRMTPXsJdHBTmWK4qWKPSgrI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=dEEG6B80; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="dEEG6B80" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0F47C16AAE; Wed, 28 Jan 2026 15:32:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769614367; bh=FiHB6+mYOqJikbsQ/BlK8w3YWwdjKimpP7y2wFywWCc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dEEG6B80mrnSF2riHAM3aQEoh0NlM+kHoM7GSCyF82chv2XHzHl0n4xuqj38IPfN3 6099NL+lv1s37slYwEQW9qeoi5gDBWY/pl6iVgvd3mki4Y6CGZ2IrQPB0aNDUOi430 QfxQKfnJzr73TSVymIroSf3ZuzRGMy5B0t9IkZVA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Aleksandr Loktionov , Jacob Keller , Simon Horman , Tony Nguyen , Sasha Levin , Rinitha S Subject: [PATCH 6.6 115/254] ice: initialize ring_stats->syncp Date: Wed, 28 Jan 2026 16:21:31 +0100 Message-ID: <20260128145348.961720753@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260128145344.698118637@linuxfoundation.org> References: <20260128145344.698118637@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jacob Keller [ Upstream commit 8439016c3b8b5ab687c2420317b1691585106611 ] The u64_stats_sync structure is empty on 64-bit systems. However, on 32-bit systems it contains a seqcount_t which needs to be initialized. While the memory is zero-initialized, a lack of u64_stats_init means that lockdep won't get initialized properly. Fix this by adding u64_stats_init() calls to the rings just after allocation. Fixes: 2b245cb29421 ("ice: Implement transmit and NAPI support") Reviewed-by: Aleksandr Loktionov Signed-off-by: Jacob Keller Reviewed-by: Simon Horman Tested-by: Rinitha S (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/ice/ice_lib.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index a6a290514e548..972c515d8789f 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -396,6 +396,8 @@ static int ice_vsi_alloc_ring_stats(struct ice_vsi *vsi) if (!ring_stats) goto err_out; + u64_stats_init(&ring_stats->syncp); + WRITE_ONCE(tx_ring_stats[i], ring_stats); } @@ -415,6 +417,8 @@ static int ice_vsi_alloc_ring_stats(struct ice_vsi *vsi) if (!ring_stats) goto err_out; + u64_stats_init(&ring_stats->syncp); + WRITE_ONCE(rx_ring_stats[i], ring_stats); } -- 2.51.0