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 293FC2B9D4 for ; Tue, 3 Sep 2024 14:00:05 +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=1725372008; cv=none; b=JAoeDFwWv5Ztp4HtcN0LhbTHmnVeYRDSamQRrFA3oL3DmZhQVXwfzBq7BeG8Ne5rFpTWIFuYsbWTgAk3W2msNk96/pAKzICsqvGeIssXBIQ6vHQB6Uybm+wEdEg2dSPQSuHAdq90a1NU3An1FNHJSNNT4TMNcMXsRyxo8iNJp/c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725372008; c=relaxed/simple; bh=GsjevHJXsnqvGMZ8L30qbBHqavxUfCBayoBtcR6NkSw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Bysw+isbqskz2Xl7lOB+bGOUhT7HfhJJ+jVmLseiwUyN6BE1FGlN3jkmCUQZU/y41gfrgEdr1dDNqEYiZFGiHLylH5NBQxTqU7CIvoth7POOFiZIAUJKbYCNBxrkAZ0Y6nrfWJV/iGsrKzAo46HScnSvDfu0qUzuTYDiYo0ppK0= 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=Tkax2lHD; 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="Tkax2lHD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1725372005; 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=vOyoZGP/p+DT+U1ETspm+Bx5HvccqPRxCBRFOBQrO4c=; b=Tkax2lHDX8R01R3/6JYbmLkfFDBXW2nZHnRrhv1gVedHkKH7o1/9GGxSbloNrXNd5BtVES 9srCYzGUm/Yes/gR2RRj1SLnONIT8+8zMSECYUiQF/w32SHIGe5UlCqitGoARkrl1EU9ZD vtJzIpFyhexMuAH1iZb/ev7805JMwcY= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-350-VS-W_Pz6P-6r_Y7YKaslCw-1; Tue, 03 Sep 2024 10:00:01 -0400 X-MC-Unique: VS-W_Pz6P-6r_Y7YKaslCw-1 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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 mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 727E018EA8B6; Tue, 3 Sep 2024 13:59:59 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.226.38]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id BE0DD1956052; Tue, 3 Sep 2024 13:59:54 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 3 Sep 2024 15:59:49 +0200 (CEST) Date: Tue, 3 Sep 2024 15:59:43 +0200 From: Oleg Nesterov To: Peter Zijlstra Cc: Andrii Nakryiko , linux-trace-kernel@vger.kernel.org, rostedt@goodmis.org, mhiramat@kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, jolsa@kernel.org, paulmck@kernel.org, willy@infradead.org, surenb@google.com, akpm@linux-foundation.org, linux-mm@kvack.org Subject: Re: [PATCH v4 0/8] uprobes: RCU-protected hot path optimizations Message-ID: <20240903135943.GE17936@redhat.com> References: <20240829183741.3331213-1-andrii@kernel.org> <20240830102400.GA20163@redhat.com> <20240903132103.GV4723@noisy.programming.kicks-ass.net> 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 In-Reply-To: <20240903132103.GV4723@noisy.programming.kicks-ass.net> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 On 09/03, Peter Zijlstra wrote: > > On Fri, Aug 30, 2024 at 12:24:01PM +0200, Oleg Nesterov wrote: > > On 08/29, Andrii Nakryiko wrote: > > > > > > v3->v4: > > > - added back consumer_rwsem into consumer_del(), which was accidentally > > > omitted earlier (Jiri); > > > > still, > > > > Reviewed-by: Oleg Nesterov > > > > Let me go queue this in perf/core then. Thanks! FYI, Andrii was going to send another revision due to missing include inux/rcupdate_trace.h in kernel/events/uprobes.c. See the build failure reported kernel test robot: https://lore.kernel.org/all/202408310130.t9EBKteQ-lkp@intel.com/ Oleg.