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04 May 2026 04:01:00 -0700 X-CSE-ConnectionGUID: 3pS4IbugQ+e4O71EbqH7Ag== X-CSE-MsgGUID: r54MIRs3TBu19S/8Gw5f+Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,215,1770624000"; d="scan'208";a="239792118" Received: from gnrd8.igk.intel.com (HELO GNRD8) ([10.123.232.137]) by orviesa004.jf.intel.com with ESMTP; 04 May 2026 04:00:59 -0700 From: Sergey Temerkhanov 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; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1777892462; x=1809428462; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=/rK8g29xd9hKv2k9bB829r08DZ0dHtRyNZ8rSSYcMvQ=; b=cwrJ2Bdgynmlf7EVlsnjV8x///3/qOFFiHKX1o76Q7S7vKOVNnFfly0A tKXAmsAsPbopc1Xzukuvcdx+YnuPV/NKHWz6w7KyjZ5/G/2aLpxQJP1MU 9iWBjl08yL5f3NJ0ZwPStWpT5qV8jE0FOhOFc+42ejRmVA5JLRcgP69oF bu6QUSbGRaepK8wDBFAVnDt8UQEUWrkqLf19J5nM742Lat7uGtY4UUDFi HqHdMDF9Na8GFrwyLZ0dRkqgVf01ejCYPM7FYBF+j0C6y778bR5H9rtMd BihysWUTRmjyS3pHu0ffy3eFlHr0/ujSrmhSuY+DlTZnJwWjN518wdj2q Q==; X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dmarc=pass (p=none dis=none) header.from=intel.com X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=cwrJ2Bdg Subject: [Intel-wired-lan] [PATCH iwl-net v1 0/3] Rework ctrl_pf pointer 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" Rework usage of the control PF pointer in struct ice_adapter, so that it is always has a consistent state, since it is global for an adapter. Utilize RCU for reading the pointer value and atomic operations for changing it. Zero out the ctrl_pf pointer when the control PF is removed. Sergey Temerkhanov (3): ice: Convert ctrl_pf pointer in struct ice_adapter to RCU ice: Zero out the PTP control PF pointer at ice_adapter cleanup ice: Cache struct ice_hw pointer for split register reads drivers/net/ethernet/intel/ice/ice.h | 10 ++- drivers/net/ethernet/intel/ice/ice_adapter.h | 2 +- drivers/net/ethernet/intel/ice/ice_ptp.c | 66 +++++++++++++++++--- drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 26 ++++++-- 4 files changed, 89 insertions(+), 15 deletions(-) -- 2.53.0