From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 5ADD52C9D for ; Wed, 15 Jul 2026 00:17:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784074680; cv=none; b=LJuoy+0uIuCGcpDfcmRcB/2AmriuuPQnyrzCy6tttOF8M77D3FiZgZEleSRnX1PNRq/xyK1lFoZc/Vrmx4cZK/8JjRje9Y8L1Xkyl7lX0ASDFylOySeO32ZBk9ptpfJG1lggUOZArC7qhhaHiL6r8U/ddXbCArV3LbKvCBRmrvY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784074680; c=relaxed/simple; bh=AiZegMVl7guKGUFKCUl4mMy9p5KKaZ84g1GZyAtYy2Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=TDCUxWUPP5U3/lwLkOoPXYT5Cw8qMSaOcrvoPHcxOlodJasDcphkavEerBcKdREY3Rb73xvSIb+w3englHnsNiwpeBYGO5vD0ZupJBiSP1kZc9RGcipFZgJTKeIoM4Blq04r0wQInbezUHeZxtNwaDPKrxKMMwEgVp4iuB4qFDg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Lo4U7CxR; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Lo4U7CxR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85F291F00A3D; Wed, 15 Jul 2026 00:17:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784074679; bh=idQnS+1DRKYFpGvhSlp1hYnddqz3z5qyMgKFDt0aS14=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Lo4U7CxRqqCrSVh5EtKEYlDXKDTZN2vyM4afLXYeOo2zPk3RqFZcKfkfgJdLbiFs4 JDxNxEVnw25QKmkxhnpK7k678Pu5eXfmIXcekwdYK7ox+FqBmrKPnibz3Tj0+eNdxi GjJQYtq7wVrgy8e2rL1LVQOC0Tg3nccKnf6SZkgIdOwJPzxKRqaP34yrbPcFnmbE/z UbdhZUpRNSz96j7aFGEwKOehf2Yv1qY7PQaOzWILrRwNzNWuSQBBMX9oMJEpSTTq9I DzMZDB+CgyZCQa8t80ZGCKcMUBob++1cmFj0+VrBeXWADljqcqiR4oEHkqbSrwIOt6 N662gmEFGcPxw== From: Sasha Levin To: stable@vger.kernel.org Cc: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Bjorn Helgaas , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Sasha Levin Subject: [PATCH 6.6.y 2/6] PCI: Free saved list without holding pci_bus_sem Date: Tue, 14 Jul 2026 20:17:52 -0400 Message-ID: <20260715001756.3783927-2-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260715001756.3783927-1-sashal@kernel.org> References: <2026071305-gulp-reenter-fa22@gregkh> <20260715001756.3783927-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Ilpo Järvinen [ Upstream commit 1d8a0506f69895b7cfd9d5c4546761c508231a8a ] Freeing the saved list does not require holding pci_bus_sem, so the critical section can be made shorter. Signed-off-by: Ilpo Järvinen Signed-off-by: Bjorn Helgaas Tested-by: Alex Bennée # AVA, AMD GPU Link: https://patch.msgid.link/20251113162628.5946-6-ilpo.jarvinen@linux.intel.com Stable-dep-of: ee7471fe968d ("PCI: Skip Resizable BAR restore on read error") Signed-off-by: Sasha Levin --- drivers/pci/setup-bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 569f1e27a07807..fb570796ae5ac0 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -2324,8 +2324,8 @@ int pci_reassign_bridge_resources(struct pci_dev *bridge, unsigned long type) pci_claim_resource(bridge, i); pci_setup_bridge(bridge->subordinate); } - free_list(&saved); up_read(&pci_bus_sem); + free_list(&saved); return ret; } -- 2.53.0