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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F817C32789 for ; Tue, 6 Nov 2018 06:10:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D238C20827 for ; Tue, 6 Nov 2018 06:10:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="X6s7olJm"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="bOHTHhTG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D238C20827 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730075AbeKFPd5 (ORCPT ); Tue, 6 Nov 2018 10:33:57 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:57382 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729342AbeKFPd4 (ORCPT ); Tue, 6 Nov 2018 10:33:56 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 7316660316; Tue, 6 Nov 2018 06:10:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1541484621; bh=f5AB1iGI5di9YNUBEzqtoGEyGn/IQd9ivvTjrrB1Hj8=; h=From:To:Cc:Subject:Date:From; b=X6s7olJmo1OsgkFJWHtlyPLPYpMPAlLg470j47tbbBwrlk7bZGac9gSPQtu0JqliT epOkx0VQ/GEPt9osg0Cfp+vcbBEUXj9cpR5xZWji/TOA97YOB3I8hXL+Y21U6pW7H4 WLiTKb2/6KGRjyegE7HP93tSshVIkAfyg4HPJ1t0= Received: from smasetty-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: smasetty@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 71EF3602F4; Tue, 6 Nov 2018 06:10:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1541484620; bh=f5AB1iGI5di9YNUBEzqtoGEyGn/IQd9ivvTjrrB1Hj8=; h=From:To:Cc:Subject:Date:From; b=bOHTHhTG8cWeSlneLzLjytQ5OnQrJHS61W3S+VYwz9Qq77nXX7n6t3lcneVEtHQBh 256iMX/wxh0BBPAt77CJ95cJF5dAQ3PLYKCI/BsXB6i/VThGG5+aE2BYsMj8M0q3ws unkopXAAYwPvxYnIe5ueF557JVHaLCi9m+cfCk/4= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 71EF3602F4 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=smasetty@codeaurora.org From: Sharat Masetty To: freedreno@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, chris@chris-wilson.co.uk, jcrouse@codeaurora.org, robdclark@gmail.com, linux-kernel@vger.kernel.org, Sharat Masetty Subject: [PATCH 1/3] drm/msm: use kvmalloc for ring data in gpu crashstate Date: Tue, 6 Nov 2018 11:40:04 +0530 Message-Id: <1541484606-20813-1-git-send-email-smasetty@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The ringbuffer data to capture at crashtime can end up being large sometimes, and the size can vary from being less than a page to the full size of 32KB. So use the kvmalloc variant that perfectly fits the bill. Signed-off-by: Sharat Masetty --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 141062f..c93702d 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -406,7 +406,7 @@ int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state) size = j + 1; if (size) { - state->ring[i].data = kmalloc(size << 2, GFP_KERNEL); + state->ring[i].data = kvmalloc(size << 2, GFP_KERNEL); if (state->ring[i].data) { memcpy(state->ring[i].data, gpu->rb[i]->start, size << 2); state->ring[i].data_size = size << 2; @@ -445,7 +445,7 @@ void adreno_gpu_state_destroy(struct msm_gpu_state *state) int i; for (i = 0; i < ARRAY_SIZE(state->ring); i++) - kfree(state->ring[i].data); + kvfree(state->ring[i].data); for (i = 0; state->bos && i < state->nr_bos; i++) kvfree(state->bos[i].data); -- 1.9.1