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Date: Thu, 16 Apr 2026 18:10:45 -0700
Message-Id: <DHV12UBOCLQR.1QIPQVFI10VDB@postmarketos.org>
Cc: <craftyguy@postmarketos.org>
Subject: Re: arm64: Supporting DYNAMIC_FTRACE_WITH_CALL_OPS with CLANG_CFI
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From: "Clayton Craft" <craftyguy@postmarketos.org>
To: "Puranjay Mohan" <puranjay12@gmail.com>, <catalin.marinas@arm.com>,
 <ast@kernel.org>, <daniel@iogearbox.net>, <mark.rutland@arm.com>,
 <broonie@kernel.org>, <linux-arm-kernel@lists.infradead.org>,
 <linux-kernel@vger.kernel.org>, <bpf@vger.kernel.org>
References: <mb61ph6hsxj94.fsf@gmail.com> <mb61pedcvxdhw.fsf@gmail.com>
In-Reply-To: <mb61pedcvxdhw.fsf@gmail.com>
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On Thu Feb 29, 2024 at 11:43 AM PST, Puranjay Mohan wrote:
> puranjay12@gmail.com writes:

> I hacked some patches and tried the above approach:
>
> Here are the patches(RFC) that I created:
>
> LLVM Patch:

Hi Puranjay,

Did this LLVM patch ever make it upstream? I'd like to use CFI together
with BPF LSM on arm64 and wondering what the current state of this
effort is.

Thanks,
Clayton