From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A756B1EB35 for ; Sat, 27 Jan 2024 13:22:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706361727; cv=none; b=PAwETV+NrI5hHHebs9NFquop4CTlzqV6ph79mrfJnBr30PJcm1+MD42b5fcMhbWmNSPP/LY92ZXBqlzWOKfix3P8eg6X5TsNByICxYkcmYTWICdtWupMG8iP2qvV7Ua6PILirv/98ZLfAaaVx3Tg3Zn3F9rw+xm3epkYbHIlQvA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706361727; c=relaxed/simple; bh=X1CLxQKeaSb1l/96Z5lNrZ6auc6d5+v9GZ9hezleqQY=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=cO+gioipweWfL5qj4HPl5IIkJeHOVCt+B7HPyOSUtmzKIOXHKSDQVJK1TRxSUmcPWQclJgQwF49i2Jt6YsawnsEjOgBQUkZRqXpPYQurX09a6oKZk+lCmGkJokVz+pGqT5NYqrQBi+/tPP5AQtZHw8zDC0cW8+FlnMZ7QmFpkDU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=NXuTrN4o; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="NXuTrN4o" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706361724; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=X1CLxQKeaSb1l/96Z5lNrZ6auc6d5+v9GZ9hezleqQY=; b=NXuTrN4ofrNellS5g3YB8QRCULBPirsmVV6j/JEwPsx9eCQDc3yXGZdS/DgnlTGU5fvQe8 2ukfgEUOO5UUuRn+nlQO9NorrGA15q1jBl8L/MX7uIJz0gpJMQO4chCLghb9fZvz5NcRjR JI1Hjl5WquK/Zqin8I1A195UBsOG5FE= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-211-gLbFMwudP2SX68C3YKodWg-1; Sat, 27 Jan 2024 08:22:00 -0500 X-MC-Unique: gLbFMwudP2SX68C3YKodWg-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C21C7383CD79; Sat, 27 Jan 2024 13:21:59 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.224.41]) by smtp.corp.redhat.com (Postfix) with SMTP id 6F3FF492BC6; Sat, 27 Jan 2024 13:21:58 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Sat, 27 Jan 2024 14:20:45 +0100 (CET) Date: Sat, 27 Jan 2024 14:20:43 +0100 From: Oleg Nesterov To: Christian Brauner Cc: "Eric W. Biederman" , Tycho Andersen , Tycho Andersen , linux-kernel@vger.kernel.org Subject: [PATCH 0/1] pidfd: don't do_notify_pidfd() if !thread_group_empty() Message-ID: <20240127132043.GA29080@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.9 To me this patch makes sense regardless, but also this is another preparation for PIDFD_THREAD change we discuss. Oleg.