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Date: Mon, 5 Jul 2021 09:48:09 +0200 From: Ingo Molnar <mingo@...nel.org> To: Masami Hiramatsu <mhiramat@...nel.org> Cc: Steven Rostedt <rostedt@...dmis.org>, Josh Poimboeuf <jpoimboe@...hat.com>, X86 ML <x86@...nel.org>, Daniel Xu <dxu@...uu.xyz>, linux-kernel@...r.kernel.org, bpf@...r.kernel.org, kuba@...nel.org, mingo@...hat.com, ast@...nel.org, Thomas Gleixner <tglx@...utronix.de>, Borislav Petkov <bp@...en8.de>, Peter Zijlstra <peterz@...radead.org>, kernel-team@...com, yhs@...com, linux-ia64@...r.kernel.org, Abhishek Sagar <sagar.abhishek@...il.com>, Andrii Nakryiko <andrii.nakryiko@...il.com> Subject: Re: [PATCH -tip v8 02/13] kprobes: treewide: Replace arch_deref_entry_point() with dereference_symbol_descriptor() * Masami Hiramatsu <mhiramat@...nel.org> wrote: > Replace arch_deref_entry_point() with dereference_symbol_descriptor() > because those are doing same thing. > > Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org> > Tested-by: Andrii Nakryik <andrii@...nel.org> A better changelog: ~15 years ago kprobes grew the 'arch_deref_entry_point()' __weak function: 3d7e33825d87: ("jprobes: make jprobes a little safer for users") But this is just open-coded dereference_symbol_descriptor() in essence, and its obscure nature was causing bugs. Just use the real thing. Thanks, Ingo
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