From nobody Fri Jun 19 03:09:47 2026 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 284B3C433FE for ; Fri, 8 Apr 2022 22:31:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239882AbiDHWdm (ORCPT ); Fri, 8 Apr 2022 18:33:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234528AbiDHWdk (ORCPT ); Fri, 8 Apr 2022 18:33:40 -0400 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 269971B7B0; Fri, 8 Apr 2022 15:31:36 -0700 (PDT) Received: by mail-ej1-x62e.google.com with SMTP id l26so19974713ejx.1; Fri, 08 Apr 2022 15:31:36 -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:mime-version :content-transfer-encoding; bh=MIEuyIQOzr7GBajh+n+UsyE5Wi+bFa0QsRrOoLXPvQs=; b=oHP7fYwJCiexaqI8I+it/ifNdESNBhEUa2a5EkkGsFvbgoDOGdrPlE92AvQHwRpIDd /2zBlS69RK/2kPbk2Z1sP2bWuSWKvAozNmBOfX2WC0UxKS12GpP+PTgWuSNmznBMVCgh BTcggNlDq4v3L46zaP5NHvj7lpIIc7+FtoLFHX0+hfpcXogu6CwiWqwje49BvnLpMw49 mrFS7+KNGpdlw6+9eibEvPSalKElKm5HsN1HkC8TVP1/E0kk7d0sc7fjwN0gWKvIiCIz cE7ktDUlnYWlsC9Bq54WCoZ/tskD+JFwd0njFZzQvQYrwD+R6pTKWEXHZX9SoloMJQMU i7TA== 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:mime-version :content-transfer-encoding; bh=MIEuyIQOzr7GBajh+n+UsyE5Wi+bFa0QsRrOoLXPvQs=; b=LDJzUa/OHTSmlXrZZwvXs5qMjD9ypeRSuxgRMmm8bo7nDRZKxPuBtCXnUy6Ksa6I4E UJr4UGox6hgk5gEYSeT0JZxAMdxDDCQw5WqRhdV6yhRSXAFIfzOmDjGgPG0qvbeIwvzC Ef/Mm+MuD/l9uIhF4Y+Gni8+u3r75DcC4s+WJ8DCBNSQV80QyyUz289k+b9iYFNss78V JbYVoCfOpmKKq7DA0C8l8JP1CGNMdn+17GGY11aNJ0p46jyqkA0+UKfVSzMIfZ1mSQAV jCMfa2hpt6WuFxSCLbTtOy9BsqsfFA+51+pFfgR++41F8e9PT8r3j6pQ0RkPriJeIwBX f9ug== X-Gm-Message-State: AOAM530IJclH4wpjuzPdfmR/OOvkNYJefKQCYolM5pu+KhEcp0DfPVDN 5XQrGXkJ1MBTNcaa8ENyqqM= X-Google-Smtp-Source: ABdhPJwZHXUsf05CmofYgOWQixJUrHdRv1lrpE/Q183lJUyfC1JgwjV4k3etYG6TKy/yNZO0btD4Sw== X-Received: by 2002:a17:907:7f8d:b0:6da:b3d6:a427 with SMTP id qk13-20020a1709077f8d00b006dab3d6a427mr19782384ejc.509.1649457094569; Fri, 08 Apr 2022 15:31:34 -0700 (PDT) Received: from localhost.localdomain (host-87-4-4-217.retail.telecomitalia.it. [87.4.4.217]) by smtp.gmail.com with ESMTPSA id m14-20020a056402510e00b0041d0c0942adsm2277425edd.52.2022.04.08.15.31.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Apr 2022 15:31:33 -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: [PATCH] staging: media: atomisp: Convert kmap() to kmap_local_page() Date: Sat, 9 Apr 2022 00:31:29 +0200 Message-Id: <20220408223129.3844-1-fmdefrancesco@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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(). Signed-off-by: Fabio M. De Francesco Tested-by: Hans de Goede --- 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 =3D (virt - bo->start) >> PAGE_SHIFT; offset =3D (virt - bo->start) - (idx << PAGE_SHIFT); =20 - src =3D (char *)kmap(bo->page_obj[idx].page) + offset; + src =3D (char *)kmap_local_page(bo->page_obj[idx].page) + offset; =20 if ((bytes + offset) >=3D PAGE_SIZE) { len =3D PAGE_SIZE - offset; @@ -369,7 +369,7 @@ static int load_and_flush_by_kmap(ia_css_ptr virt, void= *data, =20 clflush_cache_range(src, len); =20 - kunmap(bo->page_obj[idx].page); + kunmap_local(src); } =20 return 0; --=20 2.34.1