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[2003:e4:1f4b:7100:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id q5-20020a1ce905000000b003fbc9d178a8sm2383772wmc.4.2023.07.07.05.27.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jul 2023 05:27:32 -0700 (PDT) Date: Fri, 7 Jul 2023 14:27:31 +0200 From: Thierry Reding To: Thomas Zimmermann Cc: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-fbdev@vger.kernel.org, Mikko Perttunen Subject: Re: [PATCH v3 05/12] drm/tegra: Store pointer to vmap'ed framebuffer in screen_buffer Message-ID: References: <20230707083422.18691-1-tzimmermann@suse.de> <20230707083422.18691-6-tzimmermann@suse.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="dPbMojJjJjFKYDud" Content-Disposition: inline In-Reply-To: <20230707083422.18691-6-tzimmermann@suse.de> User-Agent: Mutt/2.2.10 (2023-03-25) Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org --dPbMojJjJjFKYDud Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 07, 2023 at 10:31:56AM +0200, Thomas Zimmermann wrote: > Tegra uses DMA-able memory, which has to be acessed with CPU ops > for system-memory. Store the framebuffer's vmap address in struct > fb_info.screen_buffer. The currently used field 'screen_base' is > for I/O memory. >=20 > Suggested-by: Thierry Reding > Signed-off-by: Thomas Zimmermann > Cc: Thierry Reding > Cc: Mikko Perttunen > --- > drivers/gpu/drm/tegra/fbdev.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Acked-by: Thierry Reding --dPbMojJjJjFKYDud Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmSoBLIACgkQ3SOs138+ s6FBKA/6AxW6TZPBIu9pzagIb0wUw+TTwCv63Z4skn1VdYDW/dghAfMVoXfT0vOZ Xk4H2fMnrfegbSn2w9XMtD47FnnjLVx0ZLqz9ve87xqEm1MY/vNBQs+wi3XpUGpq jFdYMB591WBZSSCMpU37Uemt3ltwIhXCWL1gsiM/S3VRQhMXBds4VSFnr5Gmi9lK tSolrVlLvfaTAvSRAkkGaN72/PI09OCNg0ZS8y4dsL1J3UwAVudw9kK+V1zji0RV xdXNvfcgF1spfFdIYpD+J3YOHhfoglZxPuGpLIiqVjHB8r4+98sJ7tKb6L90WNSm ZuHUHnZr0S/EaxAKO1NFuMzdT75WtqaYjaxaCraOroXVDzlY6hpvC78YhHjKJuKc Ak6VrjobRuTZS0guyhsw5O/a99r5LVtYksuzWQDU71DCF0kmscWqQ0Gf+pnRkuJ3 M+yTGO9pKaOogAads3bighTN0UFYemq7tRY+eY5kh16OtR5Zihe+e6eXVTyKobc6 WD3Hairolc20tPyMmX2kn1sCf++b/GZBaPk+azSHjKLGwjPjx3l/ba0hGuaDPZlp xyS8lB9Aj9LhqulMoamVK9LiLL4WnlQyOWl4R7vOh32FuUBLnJh+eh+oJpJu8RN6 Q/tDvmisSKyNirVLOiTFdSk7jG1A8Hq+UEnEv+PNcG8fcl69rT8= =JRtn -----END PGP SIGNATURE----- --dPbMojJjJjFKYDud-- 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 08755C001DC for ; Fri, 7 Jul 2023 12:27:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 50C4B10E569; Fri, 7 Jul 2023 12:27:37 +0000 (UTC) Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7F00D10E569 for ; Fri, 7 Jul 2023 12:27:35 +0000 (UTC) Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-3fbc1218262so19935855e9.3 for ; Fri, 07 Jul 2023 05:27:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1688732853; x=1691324853; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=dypW8BsEWWZsovJctMw3yW536uGbhaVcw8r4jC5Ja+E=; b=hG7sxEFM5aGgj1CH/1QZbRPnJwjDdUIXhoYag5HgrLh3j1ZpzsyvXyaP4SI/aTJOoj RQjkA79gbUSoNWMBE5QdrD9kPSQrJXJeVkjzdA86U8M2+P44vp+oDGWxEG5XH4sVNzqG TLCGSWMPQfEfdHZtHwmprpAWJ4qzKW7DteGO/nKmhHF3Iy8GsBtvxlIKgI097quNc5SJ j/HOE1D67LFkrV1wdpfxoRqCdBleq0VoP91qel92RmRCIZbKTWCkgakgN7ZNfifcGZDl Q+94GoezlVnMR1ABibH2FLf1vNCwtgrbmAHoFfoARdhnY/H7BR7Hf4oKE0q7jQl4zMMb aC4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688732853; x=1691324853; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dypW8BsEWWZsovJctMw3yW536uGbhaVcw8r4jC5Ja+E=; b=IGs8cDA7gX+QEfccX70RDKUybasS5edbQZdNbmF/bw8IOVqvCNUmhmGZH42kSxcGx1 fVJqQPfUWhJpO0jfqJjS5J7Ch5BRMOVNDVYhAdN8VK+9nH/hW6wSUrz/rohpLCSK1qIk 4OukPKgHfnBCHMSIqiJJ6jKh9r83+kBkCZNF37XnBOinJ1zQNejP8oUPzFGmLRG9yLpK VNdHT74YIapaqd89/xKcZEjJXLPHJX97RnzGJQ0HxUmzwmGH4zFozUcpzhshKOL/htk+ BGRrV1MbEyAqsvDMbpDsRUYNDjDLAqxfVSNM0p9LXgrdVA6Vg+0yQUjg4dYZqE/7H12t ekhw== X-Gm-Message-State: ABy/qLZeGMkzUec9lUcIGq0V3Si/rVMNBxeWWnz4q1UF+gKuSoZVP/f3 dP/49auQuzhgYjOoXxsjTws= X-Google-Smtp-Source: APBJJlFQxcxvQFF3XXJedcUh3eRvg2XJlHCEQBMUj41c6vzHYI9PX35dbCTZRBFEm9k0oq3muhCStw== X-Received: by 2002:a7b:cd15:0:b0:3fc:8e:4287 with SMTP id f21-20020a7bcd15000000b003fc008e4287mr971782wmj.12.1688732853027; Fri, 07 Jul 2023 05:27:33 -0700 (PDT) Received: from orome (p200300e41f4b7100f22f74fffe1f3a53.dip0.t-ipconnect.de. [2003:e4:1f4b:7100:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id q5-20020a1ce905000000b003fbc9d178a8sm2383772wmc.4.2023.07.07.05.27.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jul 2023 05:27:32 -0700 (PDT) Date: Fri, 7 Jul 2023 14:27:31 +0200 From: Thierry Reding To: Thomas Zimmermann Subject: Re: [PATCH v3 05/12] drm/tegra: Store pointer to vmap'ed framebuffer in screen_buffer Message-ID: References: <20230707083422.18691-1-tzimmermann@suse.de> <20230707083422.18691-6-tzimmermann@suse.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="dPbMojJjJjFKYDud" Content-Disposition: inline In-Reply-To: <20230707083422.18691-6-tzimmermann@suse.de> User-Agent: Mutt/2.2.10 (2023-03-25) X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, linux-samsung-soc@vger.kernel.org, javierm@redhat.com, dri-devel@lists.freedesktop.org, Mikko Perttunen , mripard@kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" --dPbMojJjJjFKYDud Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 07, 2023 at 10:31:56AM +0200, Thomas Zimmermann wrote: > Tegra uses DMA-able memory, which has to be acessed with CPU ops > for system-memory. Store the framebuffer's vmap address in struct > fb_info.screen_buffer. The currently used field 'screen_base' is > for I/O memory. >=20 > Suggested-by: Thierry Reding > Signed-off-by: Thomas Zimmermann > Cc: Thierry Reding > Cc: Mikko Perttunen > --- > drivers/gpu/drm/tegra/fbdev.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Acked-by: Thierry Reding --dPbMojJjJjFKYDud Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmSoBLIACgkQ3SOs138+ s6FBKA/6AxW6TZPBIu9pzagIb0wUw+TTwCv63Z4skn1VdYDW/dghAfMVoXfT0vOZ Xk4H2fMnrfegbSn2w9XMtD47FnnjLVx0ZLqz9ve87xqEm1MY/vNBQs+wi3XpUGpq jFdYMB591WBZSSCMpU37Uemt3ltwIhXCWL1gsiM/S3VRQhMXBds4VSFnr5Gmi9lK tSolrVlLvfaTAvSRAkkGaN72/PI09OCNg0ZS8y4dsL1J3UwAVudw9kK+V1zji0RV xdXNvfcgF1spfFdIYpD+J3YOHhfoglZxPuGpLIiqVjHB8r4+98sJ7tKb6L90WNSm ZuHUHnZr0S/EaxAKO1NFuMzdT75WtqaYjaxaCraOroXVDzlY6hpvC78YhHjKJuKc Ak6VrjobRuTZS0guyhsw5O/a99r5LVtYksuzWQDU71DCF0kmscWqQ0Gf+pnRkuJ3 M+yTGO9pKaOogAads3bighTN0UFYemq7tRY+eY5kh16OtR5Zihe+e6eXVTyKobc6 WD3Hairolc20tPyMmX2kn1sCf++b/GZBaPk+azSHjKLGwjPjx3l/ba0hGuaDPZlp xyS8lB9Aj9LhqulMoamVK9LiLL4WnlQyOWl4R7vOh32FuUBLnJh+eh+oJpJu8RN6 Q/tDvmisSKyNirVLOiTFdSk7jG1A8Hq+UEnEv+PNcG8fcl69rT8= =JRtn -----END PGP SIGNATURE----- --dPbMojJjJjFKYDud-- 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2DFDCEB64D9 for ; Fri, 7 Jul 2023 12:28:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Dcqju/O2UGnMLFll6po28wWUrx+R9FfLwE6yXdc2wsA=; b=hvtCfELIrVy94xY7wc9zpTxf4p WCWHkwaqJ7fp8P92joXxlTlDXe1OCV+cRqNJc/T+72JTvkLodElG94S2xly0yz1HY6SzQ9KIsTYhA IzzINzr/lpcUuU3ea4arpeL+5uTku98CYAJxAxKbFDcI0smXe1wu0X+3ncwq5Ah7CTXoXcfp7Zl9U FmVrpvkNk9Kte6SSw1yb3CItsBkiw8wZ4YLtOS71FZdAFV2O+Gh0mB+OixgXLtUeM7ET3/G/jr0LK LzTEksS6aFoOz61fXXfuhzfL1TOP8ilQ0N+s6KAKwMht/18Hbt7C8COdJsGj3CJ5GE28hDVZVmClN nrYDga7w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qHkYi-004cbt-30; Fri, 07 Jul 2023 12:27:36 +0000 Received: from mail-wm1-x32a.google.com ([2a00:1450:4864:20::32a]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qHkYg-004cav-2S for linux-arm-kernel@lists.infradead.org; Fri, 07 Jul 2023 12:27:35 +0000 Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-3fbc5d5746cso20010595e9.2 for ; Fri, 07 Jul 2023 05:27:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1688732853; x=1691324853; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=dypW8BsEWWZsovJctMw3yW536uGbhaVcw8r4jC5Ja+E=; b=hG7sxEFM5aGgj1CH/1QZbRPnJwjDdUIXhoYag5HgrLh3j1ZpzsyvXyaP4SI/aTJOoj RQjkA79gbUSoNWMBE5QdrD9kPSQrJXJeVkjzdA86U8M2+P44vp+oDGWxEG5XH4sVNzqG TLCGSWMPQfEfdHZtHwmprpAWJ4qzKW7DteGO/nKmhHF3Iy8GsBtvxlIKgI097quNc5SJ j/HOE1D67LFkrV1wdpfxoRqCdBleq0VoP91qel92RmRCIZbKTWCkgakgN7ZNfifcGZDl Q+94GoezlVnMR1ABibH2FLf1vNCwtgrbmAHoFfoARdhnY/H7BR7Hf4oKE0q7jQl4zMMb aC4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688732853; x=1691324853; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dypW8BsEWWZsovJctMw3yW536uGbhaVcw8r4jC5Ja+E=; b=gx6Mci1V2qZTXsRDzK3GlWlkicZxHUsYh7AA6NzKGrjNze8fJjs1NeyOJwSGzX5tLT Fxv57SKZr7w4p0TTtzp7bCZG1mhTqwEK6t4l4wQCMX6zrTi8H/Zq65u6jvknkNKVmb9I WnzzABDDeYzgyMjQUZPZdvq6dT0SCBvcDD+iWE6E81ZxnzOl+3NwspsFgOliGPNI2kHW RpWwtu/zWmWb4/OGaHiEvmO8UF3a2qUR0K9+emzOumydWRrOesWqac5o9maYswjuccdK aAQhM2yx8guGCIOx1KZDRMLiIS324pX+B13nY+FjblcWkWM8JNKOS3TAp2Udz+o9Zuxx medQ== X-Gm-Message-State: ABy/qLYuWfcqn+5yIfuxDEbr5OcmBrKK6B3NmsKL2g21+0kkdldTPiz9 +k9HmEcFL3ZSUknlM+3Z6HQ= X-Google-Smtp-Source: APBJJlFQxcxvQFF3XXJedcUh3eRvg2XJlHCEQBMUj41c6vzHYI9PX35dbCTZRBFEm9k0oq3muhCStw== X-Received: by 2002:a7b:cd15:0:b0:3fc:8e:4287 with SMTP id f21-20020a7bcd15000000b003fc008e4287mr971782wmj.12.1688732853027; Fri, 07 Jul 2023 05:27:33 -0700 (PDT) Received: from orome (p200300e41f4b7100f22f74fffe1f3a53.dip0.t-ipconnect.de. [2003:e4:1f4b:7100:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id q5-20020a1ce905000000b003fbc9d178a8sm2383772wmc.4.2023.07.07.05.27.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jul 2023 05:27:32 -0700 (PDT) Date: Fri, 7 Jul 2023 14:27:31 +0200 From: Thierry Reding To: Thomas Zimmermann Cc: javierm@redhat.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-fbdev@vger.kernel.org, Mikko Perttunen Subject: Re: [PATCH v3 05/12] drm/tegra: Store pointer to vmap'ed framebuffer in screen_buffer Message-ID: References: <20230707083422.18691-1-tzimmermann@suse.de> <20230707083422.18691-6-tzimmermann@suse.de> MIME-Version: 1.0 In-Reply-To: <20230707083422.18691-6-tzimmermann@suse.de> User-Agent: Mutt/2.2.10 (2023-03-25) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230707_052734_797182_78E7B8BA X-CRM114-Status: GOOD ( 13.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8712385572340275648==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============8712385572340275648== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="dPbMojJjJjFKYDud" Content-Disposition: inline --dPbMojJjJjFKYDud Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 07, 2023 at 10:31:56AM +0200, Thomas Zimmermann wrote: > Tegra uses DMA-able memory, which has to be acessed with CPU ops > for system-memory. Store the framebuffer's vmap address in struct > fb_info.screen_buffer. The currently used field 'screen_base' is > for I/O memory. >=20 > Suggested-by: Thierry Reding > Signed-off-by: Thomas Zimmermann > Cc: Thierry Reding > Cc: Mikko Perttunen > --- > drivers/gpu/drm/tegra/fbdev.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Acked-by: Thierry Reding --dPbMojJjJjFKYDud Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmSoBLIACgkQ3SOs138+ s6FBKA/6AxW6TZPBIu9pzagIb0wUw+TTwCv63Z4skn1VdYDW/dghAfMVoXfT0vOZ Xk4H2fMnrfegbSn2w9XMtD47FnnjLVx0ZLqz9ve87xqEm1MY/vNBQs+wi3XpUGpq jFdYMB591WBZSSCMpU37Uemt3ltwIhXCWL1gsiM/S3VRQhMXBds4VSFnr5Gmi9lK tSolrVlLvfaTAvSRAkkGaN72/PI09OCNg0ZS8y4dsL1J3UwAVudw9kK+V1zji0RV xdXNvfcgF1spfFdIYpD+J3YOHhfoglZxPuGpLIiqVjHB8r4+98sJ7tKb6L90WNSm ZuHUHnZr0S/EaxAKO1NFuMzdT75WtqaYjaxaCraOroXVDzlY6hpvC78YhHjKJuKc Ak6VrjobRuTZS0guyhsw5O/a99r5LVtYksuzWQDU71DCF0kmscWqQ0Gf+pnRkuJ3 M+yTGO9pKaOogAads3bighTN0UFYemq7tRY+eY5kh16OtR5Zihe+e6eXVTyKobc6 WD3Hairolc20tPyMmX2kn1sCf++b/GZBaPk+azSHjKLGwjPjx3l/ba0hGuaDPZlp xyS8lB9Aj9LhqulMoamVK9LiLL4WnlQyOWl4R7vOh32FuUBLnJh+eh+oJpJu8RN6 Q/tDvmisSKyNirVLOiTFdSk7jG1A8Hq+UEnEv+PNcG8fcl69rT8= =JRtn -----END PGP SIGNATURE----- --dPbMojJjJjFKYDud-- --===============8712385572340275648== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============8712385572340275648==--