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Mon, 03 Aug 2026 12:48:54 -0700 (PDT) Received: from krava ([176.74.159.170]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47fd41cfde0sm33538389f8f.3.2026.08.03.12.48.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Aug 2026 12:48:53 -0700 (PDT) From: Jiri Olsa X-Google-Original-From: Jiri Olsa Date: Mon, 3 Aug 2026 21:48:51 +0200 To: Leon Hwang Cc: Jiri Olsa , Catalin Marinas , Will Deacon , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Martin KaFai Lau , Song Liu , Yonghong Song , Emil Tsalapatis , Shuah Khan , bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH 1/2] arm64: ftrace: enable single ftrace_ops for direct calls Message-ID: References: <20260727142844.21212-1-leon.hwang@linux.dev> <20260727142844.21212-2-leon.hwang@linux.dev> <3f8e64b4-e60a-4eba-afb6-5af668ac1f85@linux.dev> <6af761df-9abc-4854-971d-ca6e4ed7a2b7@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6af761df-9abc-4854-971d-ca6e4ed7a2b7@linux.dev> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260803_124856_608887_D886DF89 X-CRM114-Status: GOOD ( 13.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Aug 03, 2026 at 09:32:14AM +0800, Leon Hwang wrote: > On 3/8/26 04:44, Jiri Olsa wrote: > > On Fri, Jul 31, 2026 at 10:30:37AM +0800, Leon Hwang wrote: > >> On 30/7/26 18:58, Jiri Olsa wrote: > > [...] > > >> > >> Right. > >> > >> Pls see the sibling thread with Ihor. With in-range BPF trampoline > >> allocation, the slow-path regression should mostly disappear. > >> > >> Let's continue the discussion in that thread. > > > > please paste the link/subject for that thread > > > > The link is > https://lore.kernel.org/all/77edc25d-a521-4f65-84ed-dbb016593902@linux.dev/. ugh I see, somehow I did not receive Ihor's email.. :\ thanks, jirka