From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.150 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792794344; b=vrtvTnQg8WUxHd9oVOTYQtos8EvxiRgcdaUjW5qFRMEQsth+nWY7jYoenvB2R1wrvDtM Qfn9IAKjjr6/1Lf0LeO34fEFJZ7sG/pegjdWYLfA50e2SKqwOt6WRzjI5Ou7WWzUlLqYH FDT4oTw+QWD4Q3+PD8+zs2MTvSaj/sa8VBKy3fYZ6TB/aji8mpGTh9vZaaWt74jpyS22T AF778/2UmxEcAm3xi6aCVWi/XuLYFZHHn5ZvAFnazCD30yjGWv4SP0AFhOonHaxo5JWRZ pJ8DrepR+TpagRfwVAKuhRMeRGVkRxQIkASgWKUKi3+yQ6XHTE+1giIm4U/mjfbJ+CA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792794344; 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=ZW4f/bR0z9X+iXbSmnF3Tp6NyBRkbBWJTCRV7Fj2AnU=; b=H06FjDPoNIBV9Gzp2P0K9u3TAaBESXzPNQd/UMLdYDuoS/d9/L6y4pEv7L7t50lOH/Xz +kTUI35uAzVEzPCdE67dHcfzgitmj+LzUqcqxVk3jXjAL0gGO2zyftUvMTQwsyUYfitS2 9atPGiK9EqyzowVFykN0h9BD2dP7SFUDpAneSZATVeoEN/Kp4roWP6zI0mGNopJgdmCY+ LAnIvBogrCF4zB8f3H8/Ai5fWaIRxiLbjsrQSqP1UoUK900yLfwN1XlHx7eXQlBLSWfr9 968wCS+R2Q3c++SuOmkIA2RYxvo2wuW0ICzF6tIS1Fq0eF7ZZI4OuohXhDaOcWwfbWg== 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="P/lDtrff"; arc=none smtp.remote-ip=91.218.175.150 Received: from mta0.migadu.com (out-150.mta0.migadu.com [91.218.175.150]) (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 AC0F8606A31B for ; Fri, 23 Oct 2026 22:25:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org AC0F8606A31B 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=P/lDtrff X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=u2RfliYPbv+3w6elZKzr8CHYPnDNw3MYZtq8+QF/6MI=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1792794341; v=1; x=1793399141; b=P/lDtrffUrzzLvqruj7aLeNYurvmbTFl4CckgrCjD5s7Jf+X63XXt8oSvG6cHXFuNqIA6Fwd UgFZifqJmUUTcmYMvd+1XCOJZJLOhon/26JixWxWPVay1KRdunENsZ8okZo9KgK4v7b24kOU1vU qxBuc00zEy8ZkI2PbAmv3H3o= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id aee3234f182cf0bb; Fri, 23 Oct 2026 22:25:41 +0000 X-Mizu-Trace-ID: aee3234f182cf0bb X-Migadu-Flow: FLOW_OUT Message-ID: <88f41f2c-4226-4122-9627-4fc29a29b99b@linux.dev> Date: Fri, 23 Oct 2026 15:25:33 -0700 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/2] tracing: fgraph: allocate shadow stacks inline with GFP_NOWAIT To: Steven Rostedt 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 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> <20261023180902.2bf7cef4@gandalf.local.home> From: Vineet Gupta Content-Language: en-US In-Reply-To: <20261023180902.2bf7cef4@gandalf.local.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/23/26 3:09 PM, Steven Rostedt wrote: > 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. That's fair. Thx, -Vineet