From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 814354AA03A; Mon, 28 Sep 2026 11:35:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790595322; cv=none; b=AArzXII93Sfsy4cXyg6rjYCOZc+hgyj389vNwVXuruGUr9qH2g9s4BMBd/3uuNLS0RnA94bNyjb8dAUNDM8dwcC+N9zQbN8Z9l70prdx4I5/Ys59bRzwNjdFZOiq7Uk6yJMKv0hRSN9qnj/rzSYBW7gWKDoSoCLi1CSmLEkiyDM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790595322; c=relaxed/simple; bh=5Mt9i6FKuVRyZRqfPs2gaFhgsD2PUofZrDsH8fx76qk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=USJirsa4kMjyVBv4vbRU16Z/Ds0xB4ujeTPKNuMULoeVyQgIXwjvtt5vZkybCs+tn+UsXzcGYOHDGoH5lix8+cQcCGPKmUM6rPw4dOmLvRR4kZCtTPm3ctmCQ2rtatPO7NqkQERNyJe8IuEOStK2HK4qr6nTWVpks7iMNB3Yu9Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=pass smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=YhQNRxqR; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="YhQNRxqR" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=khmPjeN+u+APZhVACT8SI8Ta/vWWuWX5CS8JMTHJ/H0=; b=YhQNRxqRRqtj3X3Qe4oz00EEVe mFh2UA6TiDB4QlTZpKvkaH+EcDglF+DKukhzPWKTcZJzuwhAutS5Ea+v9uUOtAj7i53NoZdGUr9Ig Jzor2K3TgNxxsLBl+MnjKERAQ9luNzdXvr57gKsqcy6DL8ExdnDWrqbXjNV540k/VOruYMcXf05yw BtMDhFfclrjksawNFgXvZaFmgfjInUs1szmB9eiV8QkJrRpDbpaR6E16p72LLQd+d/3OpO1zZAon2 ajzRiFFqjDvHU0TzI2rXW6Se3UiQ7+ocRxYOwOCWpYEAhN40varSK0m79QHDKI/rO9FboWVSESxhm jXhV9g0A==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.99.1 #2 (Red Hat Linux)) id 1xB9dV-00000006QJ4-1Hn1; Mon, 28 Sep 2026 11:35:09 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id F0A95300754; Mon, 28 Sep 2026 13:35:07 +0200 (CEST) Date: Mon, 28 Sep 2026 13:35:07 +0200 From: Peter Zijlstra To: Leo Yan Cc: Ingo Molnar , Will Deacon , Suzuki K Poulose , Mark Rutland , Adrian Hunter , James Clark , Mike Leach , Tamas Petz , Tamas Zsoldos , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org Subject: Re: [PATCH 1/3] perf/core: Export perf_event_itrace_started() Message-ID: <20260928113507.GA776954@noisy.programming.kicks-ass.net> References: <20260901-perf_suppress_itrace_start_records-v1-0-c4fbc6860859@arm.com> <20260901-perf_suppress_itrace_start_records-v1-1-c4fbc6860859@arm.com> 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: <20260901-perf_suppress_itrace_start_records-v1-1-c4fbc6860859@arm.com> On Tue, Sep 01, 2026 at 05:36:15PM +0100, Leo Yan wrote: > Since Arm SPE and CoreSight drivers can be built as modules, export > perf_event_itrace_started() so that it can be used by these modules. > > Signed-off-by: Leo Yan Acked-by: Peter Zijlstra (Intel) > --- > kernel/events/core.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/events/core.c b/kernel/events/core.c > index a6c8e38a311042afab6b65814a84c67b87ba929b..8afe89179a62127eebae0f38f29cde045ba56251 100644 > --- a/kernel/events/core.c > +++ b/kernel/events/core.c > @@ -10560,6 +10560,7 @@ void perf_event_itrace_started(struct perf_event *event) > { > WRITE_ONCE(event->attach_state, event->attach_state | PERF_ATTACH_ITRACE); > } > +EXPORT_SYMBOL_GPL(perf_event_itrace_started); > > static void perf_log_itrace_start(struct perf_event *event) > { > > -- > 2.34.1 >