From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 862D4CCFA09 for ; Sat, 1 Nov 2025 01:02:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9B88210E239; Sat, 1 Nov 2025 01:02:34 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Z7+kDpAD"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 518B710E112 for ; Sat, 1 Nov 2025 01:02:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761958954; x=1793494954; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=6w8SusIp0AqNTuI6kLYCYF77vh+bF79J0OT5SOBaZ6k=; b=Z7+kDpADzlOI66A2MKagpiTEBkveyfp7ApqdeB0VWC4utk/x7dW4REtB bRd5HjTmV47NUufXyjOvVfjBx1Ur6IxVq1HDtLeggQxICQ3BNAkvTaOuG MFxDPHvm/HUOAuNpX4dh01/VoVizr0E/H69usXSs9icBH/fGYlBBJUQIf x0OBNh6tzAmnklh4655+noR8jtJUwuxA+53M0xZ0g6Sd+slvkuiu1O8v4 IzhMb//NZCQZyCNClSYa0JQpjGU7mTp8Nbcl+ADbaX34kDXhlWkzkoVP+ tQYXcTp6be9OmUeD2qubeYMWk2aa5Mhf8Tht6CwDmRUyCoW8dr+2OTu9d A==; X-CSE-ConnectionGUID: 1fl3jIoQSi6TcuMOj/z1uQ== X-CSE-MsgGUID: PjwmH2piSZCoLaVOaIxcrw== X-IronPort-AV: E=McAfee;i="6800,10657,11599"; a="75575697" X-IronPort-AV: E=Sophos;i="6.19,270,1754982000"; d="scan'208";a="75575697" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2025 18:02:32 -0700 X-CSE-ConnectionGUID: mnV7NZBRSPCXyVX1Z153Dw== X-CSE-MsgGUID: B3HBu2rfTDmt3B4vCRuJPw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,270,1754982000"; d="scan'208";a="217020164" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2025 18:02:31 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Cc: stuart.summers@intel.com, lucas.demarchi@intel.com, matthew.d.roper@intel.com Subject: [PATCH 02/12] drm/xe: Make usm.asid_to_vm allocation use GFP_NOWAIT Date: Fri, 31 Oct 2025 18:02:15 -0700 Message-Id: <20251101010225.3095457-3-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251101010225.3095457-1-matthew.brost@intel.com> References: <20251101010225.3095457-1-matthew.brost@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Ensure the asid_to_vm lookup is reclaim-safe so it can be performed during TLB invalidations, which is necessary for context-based TLB invalidation support. Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_vm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 00f3520dec38..84f4c8f1be33 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -1632,7 +1632,7 @@ struct xe_vm *xe_vm_create(struct xe_device *xe, u32 flags, struct xe_file *xef) down_write(&xe->usm.lock); err = xa_alloc_cyclic(&xe->usm.asid_to_vm, &asid, vm, XA_LIMIT(1, XE_MAX_ASID - 1), - &xe->usm.next_asid, GFP_KERNEL); + &xe->usm.next_asid, GFP_NOWAIT); up_write(&xe->usm.lock); if (err < 0) goto err_close; -- 2.34.1