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dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=goodmis.org header.i=@goodmis.org header.a=rsa-sha256 header.s=dkim1 header.b=jsMojqdA Received: from omf03.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay08.hostedemail.com (Postfix) with ESMTP id A760D14028B; Fri, 23 Oct 2026 22:09:06 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf03.hostedemail.com (Postfix) with ESMTPA id 1E1806000C; Fri, 23 Oct 2026 22:09:04 +0000 (UTC) Date: Fri, 23 Oct 2026 18:09:02 -0400 From: Steven Rostedt To: Vineet Gupta Cc: Andrii Nakryiko , 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 Subject: Re: [PATCH v4 1/2] tracing: fgraph: allocate shadow stacks inline with GFP_NOWAIT Message-ID: <20261023180902.2bf7cef4@gandalf.local.home> In-Reply-To: <75b66acc-354e-4cd2-b9cb-4c22e8a02635@linux.dev> References: <20261021174406.2891598-1-vineet.gupta@linux.dev> <20261021174406.2891598-2-vineet.gupta@linux.dev> <20261023143816.48163575@gandalf.local.home> <75b66acc-354e-4cd2-b9cb-4c22e8a02635@linux.dev> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: t8c4c1oeinfubypt9y96ounpn1cq8i6r X-Rspamd-Server: rspamout08 X-Rspamd-Queue-Id: 1E1806000C X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX18c7xFN/AyP36lmveAraBHyJYFfDlwqjks= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=goodmis.org; h=date:from:to:cc:subject:message-id:in-reply-to:references:mime-version:content-type:content-transfer-encoding; s=dkim1; bh=F/szoS2mK5zh+IKcX8gQnqvf+pfueUDCbGAQFHFPWOA=; b=jsMojqdAIncuOJPK06fYzxnkXNJ9VAWIExLNmei7vHl1OKcMjHbJfZhtVrX5inu4UllXDRHLpxMXwSgbh9dbZx1DnV/Vo/yptzPfWGI3kUD9qfqKIITP/abxiiGkuKZ4c5GorYNuD197JSiUqczf39nCDATrpqXvfiSzoF55z2E= X-HE-Tag: 1792793344-780753 X-HE-Meta: U2FsdGVkX18r58hygf06VDzyjSvq05C8+pMawJrbnCrbRcfIifeJ8azbJMqg7kb4Nls+RwctJyFyFMZm/QQ6RqvMvmiVdNiMkj3oQNli3QZSBEjGkq7yUxk+zu3D/RgH3j3ScIjh0TZ2WyMtjgjaxNHCDgaooLArLg6LKwHIXOyR/pkdgutn7aZ3R+ftIP3WOM/lIuPFrWeF7T1q753SR6/jn9GKLVh6pY9Bi/nabZY9P8IfQAJQOWhtAtPQXDFSh4b3Ge6dWELYLQ4iqJYAXfPS47oh5o7gRwyiOhxRngIxH5TH1rEBxF46tXi0vwD5Db78Hy6TThwXeUG6HngxhRU+8GSyB7YUaqz69NwcXN0QJm/LVf/Mcg== On Fri, 23 Oct 2026 13:13:41 -0700 Vineet Gupta wrote: > 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. > Either way, I'd like to give it a bit more testing first. That is, the earliest it will go is after -rc1. -- Steve