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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DC2DC43334 for ; Thu, 7 Jul 2022 20:07:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236585AbiGGUHr (ORCPT ); Thu, 7 Jul 2022 16:07:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236019AbiGGUHm (ORCPT ); Thu, 7 Jul 2022 16:07:42 -0400 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 058ED5C9D0; Thu, 7 Jul 2022 13:07:40 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id a5so13122918wrx.12; Thu, 07 Jul 2022 13:07:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=V2FS0wBh6E9v0AAYp9N7QfTmBvANd9d4CAwWxz+lUhw=; b=Ykw7pgymVxW4ylR5nKhiE1dhV2hoWH7nArSOhhTxP0I8M2oMRqYFWN/Jdym800AzKK 1pmhrwNm6Hnn0lJwTmzL8lcc2UF3IYEKrCTGiM8MgAH6V2zkhcEPNDoBdu2/R2I/NeOg EQSCCqUuEsmmwqqVrLAbXDlmihtiuOw+NrAuDOjwkkXR49flD57a24twRCKBv+5ru6bU 5VTIs7W95tfqXbZWLQwowaQmSw41uKzFPmHdikUUnvK+znE5Q3zXLJS7T6wS93LK9NGp CNlNsqbadEiNfPwLfQK7dJwvNZ9qk5xjCxheVSBKYOJhrpbD/ARCuP7unQOe2UHFuRix KONA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=V2FS0wBh6E9v0AAYp9N7QfTmBvANd9d4CAwWxz+lUhw=; b=LFR/5WEXTicg7517RVCvnF4Pu6FPrf5IMJVzonOYP2biyKzuJulwPCuja81pUBVf8j 0Du0NSbEDMbp3Ta1rRzABokni77sOUTloc/C0TN70JA+XGFlJQX157TjpsAxu8TiJkAJ uVhZ1NLYYJ47VDX3vnuu+8hQx7BpnSu4EgbaK4e19s/4+93PrFIpOrie/gsBjL40hkWu nDn9zLwygDTwKerqCGAqRS8g1ZusZ0w6J4i5FwPx3NLvvoxYXBisBR2lY+h9qluWC0E9 mdZoFoioWOEUx6kcdAa+43gp/0TfQUfH0YRx95hxCYFp/tx+N4a5hEbRwLndVYrLOJtA N9+w== X-Gm-Message-State: AJIora/qzyQ3JdwPRivBV7nZDEVB0WnDMb6Tprbqt2xg2LyhH1OecKNQ o/fe/zIb0DWq5l09XyJDzlqnu2r279Y= X-Google-Smtp-Source: AGRyM1ubdp0wk/SF4+PuVsdl1on/yZsAcXjLUt3BabHTAdSDH41RpBq7sOL1nlatyS0ikOB+cRm4aA== X-Received: by 2002:a5d:440e:0:b0:21d:85ce:6b8e with SMTP id z14-20020a5d440e000000b0021d85ce6b8emr5281027wrq.248.1657224458493; Thu, 07 Jul 2022 13:07:38 -0700 (PDT) Received: from localhost.localdomain (host-79-53-109-127.retail.telecomitalia.it. [79.53.109.127]) by smtp.gmail.com with ESMTPSA id n17-20020a05600c3b9100b0039ee391a024sm25096752wms.14.2022.07.07.13.07.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Jul 2022 13:07:37 -0700 (PDT) From: "Fabio M. De Francesco" To: Mauro Carvalho Chehab , Sakari Ailus , Greg Kroah-Hartman , Hans Verkuil , Tsuchiya Yuto , Martiros Shakhzadyan , Hans de Goede , linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Ira Weiny Cc: "Fabio M. De Francesco" Subject: [RESEND PATCH 1/3] staging: media: atomisp: Convert kmap() to kmap_local_page() Date: Thu, 7 Jul 2022 22:07:16 +0200 Message-Id: <20220707200718.26398-2-fmdefrancesco@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220707200718.26398-1-fmdefrancesco@gmail.com> References: <20220707200718.26398-1-fmdefrancesco@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The use of kmap() is being deprecated in favor of kmap_local_page() where it is feasible. With kmap_local_page(), the mapping is per thread, CPU local and not globally visible. load_and_flush_by_kmap() is a function where the use of kmap_local_page() in place of kmap() is correctly suited. Convert load_and_flush_by_kmap() from kmap() to kmap_local_page(). Tested-by: Hans de Goede Signed-off-by: Fabio M. De Francesco --- drivers/staging/media/atomisp/pci/hmm/hmm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm.c b/drivers/staging/media/atomisp/pci/hmm/hmm.c index c1cda16f2dc0..6394385b6637 100644 --- a/drivers/staging/media/atomisp/pci/hmm/hmm.c +++ b/drivers/staging/media/atomisp/pci/hmm/hmm.c @@ -350,7 +350,7 @@ static int load_and_flush_by_kmap(ia_css_ptr virt, void *data, idx = (virt - bo->start) >> PAGE_SHIFT; offset = (virt - bo->start) - (idx << PAGE_SHIFT); - src = (char *)kmap(bo->page_obj[idx].page) + offset; + src = (char *)kmap_local_page(bo->page_obj[idx].page) + offset; if ((bytes + offset) >= PAGE_SIZE) { len = PAGE_SIZE - offset; @@ -369,7 +369,7 @@ static int load_and_flush_by_kmap(ia_css_ptr virt, void *data, clflush_cache_range(src, len); - kunmap(bo->page_obj[idx].page); + kunmap_local(src); } return 0; -- 2.36.1