From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f73.google.com (mail-ej1-f73.google.com [209.85.218.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B000F30E84F for ; Thu, 2 Oct 2025 13:19:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759411151; cv=none; b=JDHekmGi4mI2xTQCwpLsxcOtDxIUGJ94cYAjo2YlJZwL4qwfxbz2Ikny4ZWXzYb0AXDHP5wxkMOSYitGCWF+aGws6VlH9fI0cChu37fAqXY8K/93we9sbQp0GBVLqtNc5VRP94/v6Kz4+gIeHZ5fl9CQJCnTPVVCZAMNCaL53VY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759411151; c=relaxed/simple; bh=ppas900mz8UZ1nAze0k0cgvVf6bsDr1n1l1Zsx5qMIg=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=JwlzksK/JKgzDDjycr//1cDFahj1bt+zqIjzNxr614ZO6IyinfUrCvqzOvyYydrbhU6VKzod6ENhDIa0xoqxLHmfHNF1QFQW7NpEzUsq2Ntrv6SRcFPpXIb5ZtRYW5PG3x7XKbcMzuUkBSiTTiM8ocMCexC/yHHtBoD7PK9DAPg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--mclapinski.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=TtOU6QpN; arc=none smtp.client-ip=209.85.218.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--mclapinski.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="TtOU6QpN" Received: by mail-ej1-f73.google.com with SMTP id a640c23a62f3a-b3d83a7b6d7so90302166b.3 for ; Thu, 02 Oct 2025 06:19:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1759411147; x=1760015947; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=opsuLXZalKgBtjjtUFfr16++aW0WmcWbDZvURSoXadw=; b=TtOU6QpNzv8icRxuaer3wPSVs9Qa9NuKzE9tzfCo1FhmvmFadrFWAI7ZcsFT6TDBT6 4SzD0ioiXpkMgvuptYr43XoEQ3VGmnlvcQpqM4YCZUxqWpDjqaMRCzyOCvZuMLDjUzCc TxaqTVUXHLEwZuzj2/1OslrZXqvRLnGWva3h5dz5+X6nUPsNNDhhPLnuRoy5/uO012f9 XnduKcQJyheRt7xLY87Fx9WC6+8t8oLgGEMVrU0w9Tp4M0+XI21rbaHzItQYtVdE0doG GB1Z07riVjSAZHus9SiBlTs3APCdTS/d3m8dAZI3ZFjMkX1iJU3e1xh0zYAUdEWnG/vL kNmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759411147; x=1760015947; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=opsuLXZalKgBtjjtUFfr16++aW0WmcWbDZvURSoXadw=; b=vRqVma3Ss7+3T+bLAOb1nRq3thJVRK8ZbCMWRFrwrBSqMFmPapiPMeg/YDdn8QCfc9 +2tTqcWqxYcpvCbxX0L4aLnNb0v+DW+tOr7LzDRWHy2wCMXzLxNrvEaZ7gbKOTTjuQVv xtUjPK4VaKbdwo3VOg757I1G89egt3a4Wv/Oqc0A7fnK5QoiIexscWVzP2uRFFF9Qzvd 6FPy6Khkr/FRebyEoq8I0ZUZzl+6BvfdbYpsbR8RtTUUYQi5hZCXED+7wNeRhEJT0uuF 0pSfzl59ZiuSgPGsRyQM9B5sLpnPTONSDJhqwGvMYD6Tt70n/DBoHTqUztAwi6nsGgLe M5pg== X-Forwarded-Encrypted: i=1; AJvYcCXQdXCXxgfcl6B7k8Mdbo8LJe7VoH1CjVelD+oYIovcoN4tbcZ5x1KQhWpuC1P5p+YN2DHZQE0M1+yrCvw=@vger.kernel.org X-Gm-Message-State: AOJu0YxsF5W7k+vJxQzAHwIygGE181T6laAAmYl6Pqx7QVEFMf4fK/Qu 3xyeRgrc1wyDrOWdYKUOpO3ylA8Pq20JkJCt7ZRC17yPudthM9EeCvoonqZXv+BXWAbJWtXU2LB f8qW3ufG7gp56KAUjwMVuUQ== X-Google-Smtp-Source: AGHT+IEBOtinBILzYUipbzKT6uP64K+v7i7D/BSugv8X6CMyxWJNMehP5LgieusjsvQy15d5i9FRZHYKNzdUhUgV X-Received: from edqh26.prod.google.com ([2002:aa7:c61a:0:b0:637:b54a:d88e]) (user=mclapinski job=prod-delivery.src-stubby-dispatcher) by 2002:a17:907:94d2:b0:b2f:2c8a:680b with SMTP id a640c23a62f3a-b46e7bbb560mr870743666b.58.1759411147168; Thu, 02 Oct 2025 06:19:07 -0700 (PDT) Date: Thu, 2 Oct 2025 15:19:00 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.51.0.618.g983fd99d29-goog Message-ID: <20251002131900.3252980-1-mclapinski@google.com> Subject: [PATCH 1/1] dax: add PROBE_PREFER_ASYNCHRONOUS to the pmem driver From: Michal Clapinski To: Dan Williams , Vishal Verma , Dave Jiang , nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org Cc: Pasha Tatashin , linux-kernel@vger.kernel.org, Michal Clapinski Content-Type: text/plain; charset="UTF-8" Comments in linux/device/driver.h say that the goal is to do async probing on all devices. The current behavior unnecessarily slows down the boot by synchronous probing dax_pmem devices, so let's change that. Signed-off-by: Michal Clapinski --- drivers/dax/pmem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c index bee93066a849..737654e8c5e8 100644 --- a/drivers/dax/pmem.c +++ b/drivers/dax/pmem.c @@ -77,6 +77,7 @@ static struct nd_device_driver dax_pmem_driver = { .probe = dax_pmem_probe, .drv = { .name = "dax_pmem", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .type = ND_DRIVER_DAX_PMEM, }; -- 2.51.0.618.g983fd99d29-goog