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 A37F82F7AA1; Wed, 28 Jan 2026 15:41:34 +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=1769614894; cv=none; b=V4RGiaVjdsURYLT28Gsy6WC5neIYBonu550uIlOSeJJdcka+TX1ZD02b+MD6vfELc0yrRrU6rp8rR5C5GkTd7Dm1hC6lxbNSHIjZXEqeya7D56Vw1YiDk3dMvzl7sLG9m4ZV9oKZM1WNhSTaUNcOtxKjMTBvXTvjDMA25CESZaY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769614894; c=relaxed/simple; bh=wkltYFV6hQMXe/ZpwlmGxufIxe6hQKWs5dVf6uDO1Og=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZVSaizBeqtZNTOhSqqy0LJjNky94avZdiXZqiTDlCp60NkX8ICOkyheLydxrbZHuVO1J8csRTxKNZ7iXR828OhiZnBRpU5FOAv4S976vDec4TXM/4dUI6HApnGP517326rxaqWOYsMF+uqglKfUdZt2rDIbRJgyquYsyQ9JfJjo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cdzYIfK6; 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="cdzYIfK6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1557CC4CEF7; Wed, 28 Jan 2026 15:41:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769614894; bh=wkltYFV6hQMXe/ZpwlmGxufIxe6hQKWs5dVf6uDO1Og=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cdzYIfK6DDp932FFo7chl+VU5YrK50dqCNKwR0jHjIQBFCMUYBYi3FKCnM4t3BEsC FaIm072AzNkzBnuuomBtPZM6lxLVqnuQ8N/o4hvHXgKp5uZBLUfKWpt/b0HJiv/691 w0ATYZBUuuA9g1Y5GOhjCKtkgF27R26HMm10HcZQ= 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 6.12 019/169] ice: initialize ring_stats->syncp Date: Wed, 28 Jan 2026 16:21:42 +0100 Message-ID: <20260128145334.709458395@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260128145334.006287341@linuxfoundation.org> References: <20260128145334.006287341@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 6.12-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 8961eebe67aa2..8f8bdc3072ccc 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -394,6 +394,8 @@ 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); } @@ -413,6 +415,8 @@ 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