From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2A55DC77B75 for ; Tue, 16 May 2023 16:03:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Mime-Version:References:In-Reply-To: Message-Id:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wyrqaAzHgGcquAyxHWDNInYsdYX1yAkXpekSTq9vo2o=; b=pQvYjLQzC6rP4N ikaGHq/TLrWAtVSKwXcXge6T78XVUWiVXH090k8blB60j994UswIBnQ+XmuprVQvRGpaRNP9IEg57 VyNKPuqe5oiiGgnoec9AsunTgsrMftCS/MsJN65Yz0cGK7gYY/lmEx5KO7dP6FizQMK7vT4M2SAUK kDUiAsxYQgYIFYkGNDDH+BVpzkKAe7Bt2OpmjkgR50XNxAvbnIm9c1b7opWuQuoFev2QzlteYJZSX q4Twglvnsmge3u0VhhlEPmIVSuJBOZ1du2gr+PIwIm/Y3fGJe12BnDViaP9+Qq8MCj/sz/mZfB6vq JLZzWbdbCcPUn0l8diKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pyx93-006NoZ-0d; Tue, 16 May 2023 16:03:25 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pyx8x-006NmW-0g for linux-riscv@lists.infradead.org; Tue, 16 May 2023 16:03:23 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6DEF1617E6; Tue, 16 May 2023 16:03:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7A397C433D2; Tue, 16 May 2023 16:03:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684252997; bh=helSsO57tH8dHbFRP7TCi/6hSqDAckI7M3dabJ0ZYsA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=sRkEXd4R4P1ulUwx8C82RCmJWGwc8Ste6XlVCpWZvC9Qcc2gYmHA1k6dQ21Zf+Tiy qT8FRgwCIYA2117hVruEKq1bbXpARuD7yg9dDIHvUkcjIprxWMEttCswGjfaODMqXc AbXpR7xi/J1hAdmFn+Qh5gjJ9JxKLjCb3Cof3rc+4o65KBLnERtyx/NaKaoY9mPWbF 3mHNnv6y/Mb2J/lWb+cFvzU15NB9pXvxhSykI2u2DfhhpK+alFr4cBdVnQ9MCZ4kK7 BaZPMq90Cc6L+2Qm7TdMttAPm2F4w1UnWDoohkzsv7EmzaY3M2R0sCCQD8nVffAXI3 WooI/NSCY2bRw== Date: Wed, 17 May 2023 01:03:11 +0900 From: Masami Hiramatsu (Google) To: Ze Gao Cc: Peter Zijlstra , Steven Rostedt , Masami Hiramatsu , Albert Ou , Alexander Gordeev , Alexei Starovoitov , Borislav Petkov , Christian Borntraeger , Dave Hansen , Heiko Carstens , "H. Peter Anvin" , Ingo Molnar , Palmer Dabbelt , Paul Walmsley , Sven Schnelle , Thomas Gleixner , Vasily Gorbik , x86@kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Conor Dooley , Jiri Olsa , Yonghong Song , Ze Gao Subject: Re: [PATCH v2 2/4] fprobe: make fprobe_kprobe_handler recursion free Message-Id: <20230517010311.f46db3f78b11cf9d92193527@kernel.org> In-Reply-To: References: <20230516071830.8190-1-zegao@tencent.com> <20230516071830.8190-3-zegao@tencent.com> <20230516091820.GB2587705@hirez.programming.kicks-ass.net> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230516_090319_295925_2CCCB47B X-CRM114-Status: GOOD ( 16.27 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gVHVlLCAxNiBNYXkgMjAyMyAxNzo0Nzo1MiArMDgwMApaZSBHYW8gPHplZ2FvMjAyMUBnbWFp bC5jb20+IHdyb3RlOgoKPiBQcmVjaXNlbHksIHRoZXNlIHRoYXQgYXJlIGNhbGxlZCB3aXRoaW4g a3Byb2JlX2J1c3lfe2JlZ2luLCBlbmR9LAo+IHdoaWNoIHRoZSBwcmV2aW91cyBwYXRjaCBkb2Vz IG5vdCByZXNvbHZlLgoKTm90ZSB0aGF0IGtwcm9iZV9idXN5X3tiZWdpbixlbmR9IGRvbid0IG5l ZWQgdG8gdXNlIG5vdHJhY2UgdmVyc2lvbgpiZWNhdXNlIGtwcm9iZSBpdHNlbGYgcHJvaGliaXRz IHByb2Jpbmcgb24gcHJlZW1wdF9jb3VudF97YWRkLHN1Yn0uCgpUaGFuayB5b3UsCgo+IEkgd2ls bCByZWZpbmUgdGhlIGNvbW1pdCBtZXNzYWdlIHRvIG1ha2UgaXQgY2xlYXIuCj4gCj4gRllJLCBk ZXRhaWxzIGNhbiBjaGVja2VkIG91dCBoZXJlOgo+ICAgICBMaW5rOiBodHRwczovL2xvcmUua2Vy bmVsLm9yZy9saW51eC10cmFjZS1rZXJuZWwvMjAyMzA1MTYxMzI1MTYuYzkwMmVkY2YyMTAyODg3 NGE3NGZiODY4QGtlcm5lbC5vcmcvCj4gCj4gUmVnYXJkcywKPiBaZQo+IAo+IE9uIFR1ZSwgTWF5 IDE2LCAyMDIzIGF0IDU6MTjigK9QTSBQZXRlciBaaWpsc3RyYSA8cGV0ZXJ6QGluZnJhZGVhZC5v cmc+IHdyb3RlOgo+ID4KPiA+IE9uIFR1ZSwgTWF5IDE2LCAyMDIzIGF0IDAzOjE4OjI4UE0gKzA4 MDAsIFplIEdhbyB3cm90ZToKPiA+ID4gQ3VycmVudCBpbXBsZW1lbnRhdGlvbiBjYWxscyBrcHJv YmUgcmVsYXRlZCBmdW5jdGlvbnMgYmVmb3JlIGRvaW5nCj4gPiA+IGZ0cmFjZSByZWN1cnNpb24g Y2hlY2sgaW4gZnByb2JlX2twcm9iZV9oYW5kbGVyLCB3aGljaCBvcGVucyBkb29yCj4gPiA+IHRv IGtlcm5lbCBjcmFzaCBkdWUgdG8gc3RhY2sgcmVjdXJzaW9uIGlmIHByZWVtcHRfY291bnRfe2Fk ZCwgc3VifQo+ID4gPiBpcyB0cmFjZWFibGUuCj4gPgo+ID4gV2hpY2ggcHJlZW1wdF9jb3VudCoo KSBhcmUgeW91IHJlZmVycmluZyB0bz8gVGhlIG9uZXMgeW91IGp1c3QgbWFkZQo+ID4gX25vdHJh Y2UgaW4gdGhlIHByZXZpb3VzIHBhdGNoPwoKCi0tIApNYXNhbWkgSGlyYW1hdHN1IChHb29nbGUp IDxtaGlyYW1hdEBrZXJuZWwub3JnPgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3Rz LmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1yaXNjdgo=