From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.107 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792786437; b=yxIZJ1W3IMJuNu7ldD7AdQDhPFfNJaiuVcYqcJrT0kB0v8NNmxLuuHbC0q7G6d+tiIAv iBCZw9rZTdaUd34XT4y4VEGNdQYjEDuzmDnL40ZiG5pQDacBBI1xh0vZTUiU9U9Jdn25X DNvOiPDcCSpudpfIarFcnqpsCMNnXq03EOm54SsdUpn+LEFNBaFKGwI0dj7YtruHJJR5P qGz01ZjMnMsqmsPlyXFN/2a52bOUa7sjnfhBfmvAQDK+UtauHuXXGy2Q4e/57PUcLWJnE r3rih5kqAGsDDklTTyFRxZGio3/lM2JQLdHcMqkNalFoCERDuzBZGlY5e08lp8km+QQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792786437; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Message-ID:Date:MIME-Version:User-Agent: Subject:To:Cc:References:From:Content-Language:In-Reply-To: Content-Type:Content-Transfer-Encoding; bh=O8zJuP0Ot29cykJumEd36/jpkmF637YijXUmNxlxlHs=; b=23mSq4wk+y/OBkzUHsJ9nqmceVGfZfT/KW+NxI+aK5bqkjqSR6halEk2zUKxZBIhEVm3 wQ2BBRIUhghW5kcDEpjVaSPMz7FilAVDid32Inkt+AAPDqmtIdUB7q/rprCr9GXuk0gyn 4vyw0VE7PM3J63RY673HAJUhWBopb0qQRzHt99HaYdBF57KD6V1I+1cIVUrJtyJwTjIXl T1IIoLN8zk17jHriP/g4TbeDejkdCo6O18UfrDuMOfsFKhtsRoeX31HU316iqAanugOlw aUfLmQCr06zep3b/4kZY05HYmRXrYpwuUVeA2qogHQ4DZGdrlHKIzoD9JZvdlDxFQcw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=k+14i5YI; arc=none smtp.remote-ip=95.215.58.107 Received: from mta1.migadu.com (out-107.mta1.migadu.com [95.215.58.107]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C17AF606A31B for ; Fri, 23 Oct 2026 20:13:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org C17AF606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=k+14i5YI X-Envelope-To: bpf@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=a03eyxrKrab9+L0DXSFejSIOg808W4EwyuwEhzn7A8s=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1792786428; v=1; x=1793391228; b=k+14i5YIoMGofBAbinKbqriTBzZ7I/nNyTRHolKAOY2lqcgeqobVo3VIULim4XRAG++QMoAC JikSP4S3Ch+xzqD11WJwd04hHYZXJa+zfyMgbg5kb1k0sqEB0Gpu6LkSOEDEtmIMt0IazLO3CH2 aoghGWuy63mQG7wnK1PCB0n0= X-Envelope-To: bpf@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 830156828f935bad; Fri, 23 Oct 2026 20:13:48 +0000 X-Mizu-Trace-ID: 830156828f935bad X-Migadu-Flow: FLOW_OUT Message-ID: <75b66acc-354e-4cd2-b9cb-4c22e8a02635@linux.dev> Date: Fri, 23 Oct 2026 13:13:41 -0700 X-Mailing-List: bpf@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/2] tracing: fgraph: allocate shadow stacks inline with GFP_NOWAIT To: Steven Rostedt , Andrii Nakryiko Cc: mhiramat@kernel.org, mark.rutland@arm.com, mathieu.desnoyers@efficios.com, andrii@kernel.org, peterz@infradead.org, linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, kernel-team@meta.com, stable@vger.kernel.org References: <20261021174406.2891598-1-vineet.gupta@linux.dev> <20261021174406.2891598-2-vineet.gupta@linux.dev> <20261023143816.48163575@gandalf.local.home> From: Vineet Gupta Content-Language: en-US In-Reply-To: <20261023143816.48163575@gandalf.local.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/23/26 11:38 AM, Steven Rostedt wrote: > On Fri, 23 Oct 2026 11:13:44 -0700 > Andrii Nakryiko wrote: > >> Acked-by: Andrii Nakryiko >> >> I presume this will go through Masami and Steven's tree, is that right? > Yes, but it came in during the merge window, and since it's just a speed up > and not fixing something that's broken, I was going to let this go in the > next merge window. I rather have a change like this sit through a full -rc > release. It is a speed up but not for optimization sake but to cure rcu stalls in production at Meta. IMHO it should go in sooner than wait a full release cycle. Thx, -Vineet