From patchwork Wed Nov 6 17:24:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 11230765 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3DA3216B1 for ; Wed, 6 Nov 2019 17:24:27 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id CD98A217F5 for ; Wed, 6 Nov 2019 17:24:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD98A217F5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6815A6EE0F; Wed, 6 Nov 2019 17:24:26 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A1836EE0F for ; Wed, 6 Nov 2019 17:24:24 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from haswell.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 19105276-1500050 for ; Wed, 06 Nov 2019 17:24:20 +0000 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Wed, 6 Nov 2019 17:24:16 +0000 Message-Id: <20191106172416.17188-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Subject: [Intel-gfx] [CI] drm/i915: Remove unwanted rcu_read_lock/unlock X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Niranjana Vishwanathapura We don't need rcu read side critical section to call pid_nr(), remove it. Signed-off-by: Niranjana Vishwanathapura Reviewed-by: Chris Wilson Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_gpu_error.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index e8b67f5e521d..1f2f266f26af 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1230,10 +1230,7 @@ static void record_request(const struct i915_request *request, erq->start = i915_ggtt_offset(request->ring->vma); erq->head = request->head; erq->tail = request->tail; - - rcu_read_lock(); erq->pid = ctx->pid ? pid_nr(ctx->pid) : 0; - rcu_read_unlock(); } static void engine_record_requests(struct intel_engine_cs *engine,