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=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 29AF6C4338F for ; Mon, 23 Aug 2021 21:04:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04F9F613A6 for ; Mon, 23 Aug 2021 21:04:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232633AbhHWVEy (ORCPT ); Mon, 23 Aug 2021 17:04:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232503AbhHWVEv (ORCPT ); Mon, 23 Aug 2021 17:04:51 -0400 Received: from mail-yb1-xb29.google.com (mail-yb1-xb29.google.com [IPv6:2607:f8b0:4864:20::b29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08276C061575 for ; Mon, 23 Aug 2021 14:04:08 -0700 (PDT) Received: by mail-yb1-xb29.google.com with SMTP id j13so15567042ybj.9 for ; Mon, 23 Aug 2021 14:04:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=voXXeLKlFlOLRsbMe7Mju4M35OwX86Fuz1jihyhQPTM=; b=Q1+kGAQjivkE1KBQILIxb9/bjS6+eVeU0OyD05rp9KgSX6M4W0aMBnD6QnTY97njIp hcsuA4JA0LmqeBWTQUCOShqnkcWnq9DDUs+LK1evZxeM5S730s9E1Hqm4Dn5IIMB4m79 xLNuwQmdd9S0LpYpxUnLrMRBUOGbSyfSQrMMn4juDKEwZdEgyId/492vRsyuXNieQd26 ZyqaI1dVvMH/gx61vwnuTi4kfXpXY4lxCK9BnYMVixwtuNjPwbtEBsnaxKlpmySPV4wT iPAJ2qhYqMcOrMd9Pbyh65Q8FFET6xRFtIk9CR9I3jrW3u73RHn7USXHYz1Tpnfbyz56 fQEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=voXXeLKlFlOLRsbMe7Mju4M35OwX86Fuz1jihyhQPTM=; b=fVPKVTbqOHJSn4JvkWXmszxBoUAYDiBDMGrZMJcJbd+mFIIbM5uc077dJKHLcRiEVr q3j5/XYLvRZX0MkeYNHG9oZfeqQquG48vfsZwPLpOkfxHZcpAUNrCzxXWs1Q8181/xej bYBqiwjBkf5T181C5FzRcEicyyflzl1FQY8kRUlWHVSk130OX4q1U/XULeQk8qHjQGqX 4eZSgDZni1GmqxMLwlMaABUaCsY670XjMbZySvPdjWMWvD7+5KY7lTOSqa5rIgK5Ie+H sUec12nJfZPY3bDdNtsjpCSGnaPl7GBf7nDb+0k1KEG3pj7nmsDXB2sgisohOonv7w2w oqpA== X-Gm-Message-State: AOAM530JDDHYHTXnERo0N7ncGVTPIxHdzRHUuD8Ke128mjYtrahzJbyl KGJwwAR77ytI53r2mM9faCDW9qLnpLN+6cgtgdBcQ9cN X-Google-Smtp-Source: ABdhPJy5ebuj+Iv3A8flhJ4PgIgE5mv34I0v52ROjTTJfB0evQOCKhyGTfl9jap2fNj5z0CehvYRyilK+fMf8YRats4= X-Received: by 2002:a25:be02:: with SMTP id h2mr47571008ybk.91.1629752647157; Mon, 23 Aug 2021 14:04:07 -0700 (PDT) MIME-Version: 1.0 References: <20210722074208.8040-1-penguin-kernel@I-love.SAKURA.ne.jp> <246902bb-aafa-43bf-bf7c-ff26bfed5be1@i-love.sakura.ne.jp> In-Reply-To: <246902bb-aafa-43bf-bf7c-ff26bfed5be1@i-love.sakura.ne.jp> From: Luiz Augusto von Dentz Date: Mon, 23 Aug 2021 14:03:56 -0700 Message-ID: Subject: Re: [PATCH] Bluetooth: reorganize functions from hci_sock_sendmsg() To: Tetsuo Handa Cc: Marcel Holtmann , Johan Hedberg , "linux-bluetooth@vger.kernel.org" , LinMa Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Hi Tetsuo, On Sun, Aug 22, 2021 at 8:42 AM Tetsuo Handa wrote: > > On 2021/07/24 6:44, Luiz Augusto von Dentz wrote: > > Hi Tetsuo, > > > > On Thu, Jul 22, 2021 at 12:42 AM Tetsuo Handa > > wrote: > >> > >> Since userfaultfd mechanism allows sleeping with kernel lock held, > >> avoiding page fault with kernel lock held where possible will make > >> the module more robust. This patch just brings memcpy_from_msg() calls > >> to out of sock lock. > >> > >> Signed-off-by: Tetsuo Handa > > > > Reviewed-by: Luiz Augusto von Dentz > > > > Can this patch go to v5.15 ? Applied, thanks. I will be sending another pull-request by the end of this week which shall include it. -- Luiz Augusto von Dentz