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 102243B27CE; Mon, 23 Mar 2026 14:39:45 +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=1774276786; cv=none; b=IVZpkytzf1bH/WxDL+Ua4UqllDMxEYPWQKo9ewSCaBOrOcUrp6ndSRqy5Hi6kIuVbAcovsRTJB0ar8DPP9+Fc78xDecIElt0QshOXeMxmAC+KCbfxmHzOOD2uKgU8A41qBqISAjdpsQEHKf8OmEHBvELUCvD6GLufIVCmwNCBqE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774276786; c=relaxed/simple; bh=WjpyIImVOdHQP0Dp+E2Ymz04BmYIyHTzmlYl/9ZX7Eo=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=N7YXrxF2FWgXRfyiY7hrckJZApe0XMBWaTxqHbM1ILM0jC7KuqFBs4NmflNylnvyGJuomAFA17ljjxIgUGA1ytGbQam6YlkAG722XK/5roF8r3KYfrCVUK9bD3AhczVLPKZIMhRZJ3f+nJKUB9xzDSo/VeZ5dFOcHlYB8YAS8po= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s0XbqDc7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="s0XbqDc7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A12CC4CEF7; Mon, 23 Mar 2026 14:39:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774276785; bh=WjpyIImVOdHQP0Dp+E2Ymz04BmYIyHTzmlYl/9ZX7Eo=; h=From:Subject:Date:To:Cc:From; b=s0XbqDc7XviCD2Md3dJZojCWQjlGtXGNO8iRWeA0PRbezrzQyIcWSXQMDiq3VQAPL 2o6XnIOrR5rmdPybttqC1+InHnKg+KrUuNO1uhcMWezz+8QnRavKMk0RKuV5OWpC8c jh9mae0JbTR9awm8NO7giSG0GSF/7oOcuUpAQhMmR2EC5nrox9DIHPilbRi1e06o06 WsLlv+GfTURlvJapfdo0FO3tNvpjyK0vg/y52vegjU9oavvma4sOrlSpmBLUUAmowe XiNBtEJtH+QKnxalT/J+EHfngX4lEUE1q8HxG4ZX56Gb8Kw45vOXS+xowSE72T0A4y JnWSPo8NpdSnQ== From: Jeff Layton Subject: [PATCH v5 0/2] firmware_loader: allow firmware_class.path to take multiple paths Date: Mon, 23 Mar 2026 10:39:29 -0400 Message-Id: <20260323-fw-path-v5-0-e88b2fe145f3@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/3WOywqDMBBFf6Vk3ZRJTDR21f8oXSQ60dCikohtE f+9UegLcXkvc87ckQT0DgM57kbicXDBtU0Mcr8jRa2bCqkrYyYceAoJy6i90073NdWQiyIBLnM tSbzuPFr3WEznS8y1C33rn4t4YHP7dqiPY2CU0UwpUebGpkzZ0xV9g7dD6ysySwa+AfIIKs0gR ZMzNGIFJhtgEkGdAdOgTBHXr0DxA3L4gmKeKkWG3EJZpP8fp2l6AeHjrLNKAQAA X-Change-ID: 20260317-fw-path-a094c30259a5 To: Luis Chamberlain , Russ Weight , Danilo Krummrich , Greg Kroah-Hartman , "Rafael J. Wysocki" , Shuah Khan Cc: Michal Grzedzicki , driver-core@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Jeff Layton X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1574; i=jlayton@kernel.org; h=from:subject:message-id; bh=WjpyIImVOdHQP0Dp+E2Ymz04BmYIyHTzmlYl/9ZX7Eo=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBpwVCrXGiCF8c0nqBwd+MereNgitCudLrRl08KZ ZuplYBccQmJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCacFQqwAKCRAADmhBGVaC Fc2uEACNQlOzy3kFGAyK0MaKH/dB9hjxotc1ZjC3sxCM0smJbr0NQV0lla4yfege4UJfYPHGBQY ht2lYo11BrvYTSZ0IuG2U7heOPGo0hgabfJz9P64dlHY8QmFjohFs65zf9cYmFnyivtPCERNxcd nv1U6DO5FZZJBmLMpGO0mD3jvIljZYYNQC3ZqftUOx02h51CLv0aLLREWhI8MKaRr6mOHUKpt0Q 4XHFbbaqO5WtfcH7/jkHD4rfK45LFXJiIGWvsrq0nZPcCgb+lZByaHWci+vMBX1lFY4OxcWnCx6 MecqeJHHDDRgNlKGK21ZtNptwZaob0rgwY0/yHliIX8WDG87fzjkKR0M8W+wd+CKbRZseCurJm/ s9LtD4tdZyxRmr0lcIyP6AOm/WKMx6CaxVLsTH+dB/Y9BsqXy7lSNHyUE/LwQPdj54sJL5nvYYQ I0hBo3XmrOgK11gcx2vtpXUmkzXOle9OC1QTsVUF82j5FRHcJ2L8fzJMDLsi/g0ZG53pd5rNwTc m0CF36L9VUu6Es5kAFmB6oMi3wGMWfpc8DiYwGDZlsccH2/diRfRNwwFEmlZoY2DyKVINYie3p6 qwtgkpMZHfTQzMjYBiPVNcas1z8BjAKScJ8xw9OfCPtcJPAf3uomX+vTI0N3LWXPevJNryIeNTW g92XTue6R8DzWEQ== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 This is something Michal had asked for last year, and I just got around to implementing. This version also adds some selftests for this functionality. Signed-off-by: Jeff Layton --- Changes in v5: - Increase search= string length from 256 to 4096 - Preprocess search= path when it's set rather than on every firmware load - Add selftests for search= functionality - Link to v4: https://lore.kernel.org/r/20260320-fw-path-v4-1-7547e2f0dc64@kernel.org Changes in v4: - Move search path to new search= option that is tried after path= - Link to v3: https://lore.kernel.org/r/20260318-fw-path-v3-1-a701a08bc025@kernel.org Changes in v3: - Allow '\' to escape a literal ':' or '\' in the string - Link to v2: https://lore.kernel.org/r/20260318-fw-path-v2-1-8a106eb91eb4@kernel.org Changes in v2: - switch to using ':' as path delimiter - Link to v1: https://lore.kernel.org/r/20260318-fw-path-v1-1-7884d9bf618f@kernel.org --- Jeff Layton (2): firmware_loader: add search= module option for multi-path firmware lookup selftests/firmware: add search path test for firmware_class.search= drivers/base/firmware_loader/main.c | 273 +++++++++++++++++++------- tools/testing/selftests/firmware/Makefile | 2 +- tools/testing/selftests/firmware/fw_search.sh | 222 +++++++++++++++++++++ 3 files changed, 420 insertions(+), 77 deletions(-) --- base-commit: c369299895a591d96745d6492d4888259b004a9e change-id: 20260317-fw-path-a094c30259a5 Best regards, -- Jeff Layton