From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) (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 AE4F77260A; Wed, 8 Oct 2025 16:31:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759941073; cv=none; b=d+wXX695ej/4yFZNpX64XPgsd8pu3x+8uqN6gpZgXmRJX7nCgvF9ydDb42Ids350VFtNVZjEkMfT+rwJbcw8rPN4w3UNUj/+LnQPUEOdlgUB6Vb5VxHrjPKgd+Xro+ArBUGNL8IkY+R87iQ6mi/jQEKOkEB2GlV5mBoC1PmFlkE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759941073; c=relaxed/simple; bh=UMfc1arKuqqKbTbJGgsaLRixb7ETywbXtRgzQLKN4+4=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=U9oJYUNyjX0pSszZ71oi/PkxVHQ+0NSLEkPqwCtlqgzx+a91ogYw6ZXdwjxKPYvIT2bgu5pYIhJak+B4ZCX3Nw/jNm+WCCvLeHmMgiaSYafIEjn4Q0to123ZVgPfm8oMnvg0TNWsPP+FyhbodOi9DDYqFt/pfl+zJX7A+sH4uoA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 833AB1A05F7; Wed, 8 Oct 2025 16:31:08 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf06.hostedemail.com (Postfix) with ESMTPA id 4EFAC2000E; Wed, 8 Oct 2025 16:31:06 +0000 (UTC) Date: Wed, 8 Oct 2025 12:32:59 -0400 From: Steven Rostedt To: Runping Lai Cc: Masami Hiramatsu , Mathieu Desnoyers , Wattson CI , kernel-team@android.com, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Luo Gengkun , Linus Torvalds Subject: Re: [PATCH v1] Revert "tracing: Fix tracing_marker may trigger page fault during preempt_disable" Message-ID: <20251008123259.1dfc621c@gandalf.local.home> In-Reply-To: References: <20251007003417.3470979-2-runpinglai@google.com> <20251006221043.07cdb0fd@gandalf.local.home> <20251007154308.5b158d04@gandalf.local.home> <20251007163141.1034b120@gandalf.local.home> <20251007174208.11fd02da@gandalf.local.home> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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-Transfer-Encoding: 7bit X-Stat-Signature: r8zu49hxhpdtiahxkmdhao9657xztcda X-Rspamd-Server: rspamout05 X-Rspamd-Queue-Id: 4EFAC2000E X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX18tC6P4gP7j66n2PKCd8nKW1OXW/pV26ko= X-HE-Tag: 1759941066-448671 X-HE-Meta: U2FsdGVkX1+QZzMwSruvokeThYzi+hXa0Wk0bWwyiURdyM5B42hJSk+podUQmJfd2Hzq+vTgZ2kpZGfnAgYHCq6rd/L+hrcmV4zPCZFiYXtZXkyegqYGxAy/khFmZA3cZd1obPiutLgcTUcUbUs+L6qlaoPmCZdE3STJ+LmlIXjyeKWOgjfHHLexmZ7rhsawF5FsLbMWD7GdfzyzLFhR1xfFd3aypAdTmDX7s0Ky/eXnhu9KQZCmZwsqIcKR5URZJos/momodRopgXI3FMjO2fWLoZRUBh0jw7VbSZbsLOoEBh4gEwsMAOVIpTgCywi0Pmsc/pCdc0ABP7u5F2Npdp9U+AyymGfPnrGN2R4INs01jzXf5J2vSA== On Tue, 7 Oct 2025 16:25:41 -0700 Runping Lai wrote: > Hey Steve, > > Thanks for providing the buffer-based solution. I tried it and it > fixes the problem! BTW, I'm about to post a real patch, and I'm adding: Tested-by: Runping Lai -- Steve