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{ "id": 2232318, "url": "http://patchwork.ozlabs.org/api/covers/2232318/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/cover/20260504110058.2373236-1-sergey.temerkhanov@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260504110058.2373236-1-sergey.temerkhanov@intel.com>", "list_archive_url": null, "date": "2026-05-04T11:00:55", "name": "[iwl-net,v1,0/3] Rework ctrl_pf pointer usage in struct ice_adapter", "submitter": { "id": 85162, "url": "http://patchwork.ozlabs.org/api/people/85162/?format=api", "name": "Temerkhanov, Sergey", "email": "sergey.temerkhanov@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/cover/20260504110058.2373236-1-sergey.temerkhanov@intel.com/mbox/", "series": [ { "id": 502644, "url": "http://patchwork.ozlabs.org/api/series/502644/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=502644", "date": "2026-05-04T11:00:55", "name": "Rework ctrl_pf pointer usage in struct ice_adapter", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502644/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2232318/comments/", "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=osuosl.org header.i=@osuosl.org header.a=rsa-sha256\n header.s=default header.b=G3MsBO1t;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=2605:bc80:3010::136; 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envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp3.osuosl.org 536276139E", "OpenDKIM Filter v2.11.0 smtp3.osuosl.org 74CB16139A" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1777892463;\n\tbh=GFlSzFuCsYRsKnBoTwugtJIWDem31V1ps+/wdSqR5sk=;\n\th=From:To:Date:Subject:List-Id:List-Unsubscribe:List-Archive:\n\t List-Post:List-Help:List-Subscribe:From;\n\tb=G3MsBO1tVx6E3SIbvF09lhPojbAc9+Iew9xyrC4uqeE5wVzo76e9fBnRhj4+pJMf3\n\t NvGVCBhBOzBN5AAigsFJxRKHXLp7gNz8XRLLtKmCkCL5VirZ4cJOR2uM9aCxyrxpbQ\n\t ALLwEgDIYJNdSbOX8DVr0jVWzDGtI7VawARirgiB2mLsn4n5IAQeJ5SN2/1UGeIaaq\n\t GzeYvl/p7a6N4U1jSjBEPJR5eTfmilvMYqKhg3kg6olQhWIimE19OibU9pF7uf1zRf\n\t ttuEs11w2g2F5DaxZksOjDnMBH9rVRIkuV+WoUA1Id69EEhu5nHfyyDTSzPegQwRGJ\n\t unpEMoem4zaHg==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=198.175.65.16;\n helo=mgamail.intel.com; envelope-from=sergey.temerkhanov@intel.com;\n receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp3.osuosl.org 74CB16139A", "X-CSE-ConnectionGUID": [ "7pamZCgpQJqpfKHqzznOcA==", "3pS4IbugQ+e4O71EbqH7Ag==" ], "X-CSE-MsgGUID": [ "eOsnkSE/QAuk8zQRaEts6Q==", "r54MIRs3TBu19S/8Gw5f+Q==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11775\"; a=\"78939686\"", "E=Sophos;i=\"6.23,215,1770624000\"; d=\"scan'208\";a=\"78939686\"", "E=Sophos;i=\"6.23,215,1770624000\"; d=\"scan'208\";a=\"239792118\"" ], "X-ExtLoop1": "1", "From": "Sergey Temerkhanov <sergey.temerkhanov@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Mon, 4 May 2026 11:00:55 +0000", "Message-ID": "<20260504110058.2373236-1-sergey.temerkhanov@intel.com>", "X-Mailer": "git-send-email 2.53.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Original-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1777892462; x=1809428462;\n h=from:to:subject:date:message-id:mime-version:\n content-transfer-encoding;\n bh=/rK8g29xd9hKv2k9bB829r08DZ0dHtRyNZ8rSSYcMvQ=;\n b=cwrJ2Bdgynmlf7EVlsnjV8x///3/qOFFiHKX1o76Q7S7vKOVNnFfly0A\n tKXAmsAsPbopc1Xzukuvcdx+YnuPV/NKHWz6w7KyjZ5/G/2aLpxQJP1MU\n 9iWBjl08yL5f3NJ0ZwPStWpT5qV8jE0FOhOFc+42ejRmVA5JLRcgP69oF\n bu6QUSbGRaepK8wDBFAVnDt8UQEUWrkqLf19J5nM742Lat7uGtY4UUDFi\n HqHdMDF9Na8GFrwyLZ0dRkqgVf01ejCYPM7FYBF+j0C6y778bR5H9rtMd\n BihysWUTRmjyS3pHu0ffy3eFlHr0/ujSrmhSuY+DlTZnJwWjN518wdj2q\n Q==;", "X-Mailman-Original-Authentication-Results": [ "smtp3.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=intel.com", "smtp3.osuosl.org;\n dkim=pass (2048-bit key,\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=cwrJ2Bdg" ], "Subject": "[Intel-wired-lan] [PATCH iwl-net v1 0/3] Rework ctrl_pf pointer\n usage in struct ice_adapter", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n <intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "Rework usage of the control PF pointer in struct ice_adapter, so that\nit is always has a consistent state, since it is global for an adapter.\nUtilize RCU for reading the pointer value and atomic operations for\nchanging it. Zero out the ctrl_pf pointer when the control PF is removed.\n\nSergey Temerkhanov (3):\n ice: Convert ctrl_pf pointer in struct ice_adapter to RCU\n ice: Zero out the PTP control PF pointer at ice_adapter cleanup\n ice: Cache struct ice_hw pointer for split register reads\n\n drivers/net/ethernet/intel/ice/ice.h | 10 ++-\n drivers/net/ethernet/intel/ice/ice_adapter.h | 2 +-\n drivers/net/ethernet/intel/ice/ice_ptp.c | 66 +++++++++++++++++---\n drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 26 ++++++--\n 4 files changed, 89 insertions(+), 15 deletions(-)" }