From patchwork Tue Nov 20 11:37:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sharat Masetty X-Patchwork-Id: 10690291 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4935F13BB for ; Tue, 20 Nov 2018 11:37:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 39A972906E for ; Tue, 20 Nov 2018 11:37:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2D91E2A7F2; Tue, 20 Nov 2018 11:37:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D24742906E for ; Tue, 20 Nov 2018 11:37:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729107AbeKTWGZ (ORCPT ); Tue, 20 Nov 2018 17:06:25 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:46268 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729099AbeKTWGZ (ORCPT ); Tue, 20 Nov 2018 17:06:25 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id B19C560B62; Tue, 20 Nov 2018 11:37:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1542713862; bh=7Dur9e8t+D1/I7HZAkvpUu9aSdskKKoFGVK3u44O3Lc=; h=From:To:Cc:Subject:Date:From; b=E5CzsgJYBSUl8ITtfqdSzczTu8e223HfDI7uh37UFs0ERttYFPAHND45aNL7Ey4PH 8CMrm3HzZHSR3dcXUDyNezyaS5o61lhNMp2spkICDDgC1fMatQZCb3i5rxcRnim4Er Q6hZPsmy4Ge3aoxzcT90jQUK3aozsx4oKm9k7oFQ= 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 28CB9602D7; Tue, 20 Nov 2018 11:37:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1542713862; bh=7Dur9e8t+D1/I7HZAkvpUu9aSdskKKoFGVK3u44O3Lc=; h=From:To:Cc:Subject:Date:From; b=E5CzsgJYBSUl8ITtfqdSzczTu8e223HfDI7uh37UFs0ERttYFPAHND45aNL7Ey4PH 8CMrm3HzZHSR3dcXUDyNezyaS5o61lhNMp2spkICDDgC1fMatQZCb3i5rxcRnim4Er Q6hZPsmy4Ge3aoxzcT90jQUK3aozsx4oKm9k7oFQ= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 28CB9602D7 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, jcrouse@codeaurora.org, Sharat Masetty Subject: [PATCH 1/4] drm/msm: use kvmalloc for ring data in gpu crashstate Date: Tue, 20 Nov 2018 17:07:28 +0530 Message-Id: <1542713851-14375-1-git-send-email-smasetty@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Reviewed-by: Jordan Crouse --- 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 d88d00d..6ebe842 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -397,7 +397,7 @@ 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; @@ -440,7 +440,7 @@ 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);