From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 53D17224D5 for ; Mon, 22 Apr 2024 15:57:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713801435; cv=none; b=FboSPriECmQUKzfucsdPvQ2jvroBzIZs8LV242YgfRHzVz0HsCmN0BOQKTxcb9fABfBtD33ZRtxssGm8etaTEUpP0DfbBsnVh8K6pdDegEzZLuD05UA2IVTj+bWDVkPBefw8hg1zjkl6WT6xdJVKvuhUEFhGOkEzFaSETeATH8c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713801435; c=relaxed/simple; bh=vOTtrQjeC7XaM50trnCEYdVH4ZodHQJt5bpJ/0mXWe0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EVGfj+5ZtSwelJt+IFf4i3ARD6NcfLaaTnOgMy3eeSMPovTRq0OfyOQfSslsaUh3Ls+3rqEtathG/GL5rjSfF3lrD63fFRY1oNckqLy25mreQyeLj8zJSn1swSiGGiaib4yNkCb9XwvrbivAxX4GHxMtzPXVJNKKX2uiTRLFVFw= 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=QWzqoWyi; arc=none smtp.client-ip=170.10.133.124 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="QWzqoWyi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1713801433; 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: in-reply-to:in-reply-to:references:references; bh=Re0lafXu7wQslD0LP+mb5k+NPK2CcD7U/L0lGd24osU=; b=QWzqoWyiQmF7oyoAHt2LdOiGNquPncApwK0JK2TFhF3LZI7O1KeobiztUNMHJf+5tOCDWS KezRHztIyRiv7Fin1C7aHgdK6W5zT5PdaBe6ZdCkSGJnbz0C5Q8KlHiP/wbXKb5MeFaLeN iH8OYn7gq3Z3olp93rljWF1I/5pLGk4= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-488-oFXsibcKO8e3VSnl-i3laA-1; Mon, 22 Apr 2024 11:57:11 -0400 X-MC-Unique: oFXsibcKO8e3VSnl-i3laA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (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 05B1E104B502; Mon, 22 Apr 2024 15:57:11 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.225.205]) by smtp.corp.redhat.com (Postfix) with SMTP id 954FD200E290; Mon, 22 Apr 2024 15:57:06 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Mon, 22 Apr 2024 17:55:45 +0200 (CEST) Date: Mon, 22 Apr 2024 17:55:40 +0200 From: Oleg Nesterov To: Jiri Olsa Cc: Steven Rostedt , Masami Hiramatsu , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-api@vger.kernel.org, x86@kernel.org, bpf@vger.kernel.org, Song Liu , Yonghong Song , John Fastabend , Peter Zijlstra , Thomas Gleixner , "Borislav Petkov (AMD)" , Ingo Molnar , Andy Lutomirski Subject: Re: [PATCHv3 bpf-next 2/7] uprobe: Add uretprobe syscall to speed up return probe Message-ID: <20240422155540.GA32422@redhat.com> References: <20240421194206.1010934-1-jolsa@kernel.org> <20240421194206.1010934-3-jolsa@kernel.org> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240421194206.1010934-3-jolsa@kernel.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 On 04/21, Jiri Olsa wrote: > > arch/x86/kernel/uprobes.c | 115 ++++++++++++++++++++++++++++++++++++++ > include/linux/uprobes.h | 3 + > kernel/events/uprobes.c | 24 +++++--- > 3 files changed, 135 insertions(+), 7 deletions(-) Reviewed-by: Oleg Nesterov