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Date:   Mon, 11 Dec 2023 23:12:42 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Samuel Holland <samuel.holland@sifive.com>
Cc:     Christoph Hellwig <hch@infradead.org>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Harry Wentland <harry.wentland@amd.com>,
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        dri-devel@lists.freedesktop.org, David Airlie <airlied@gmail.com>,
        Christian =?iso-8859-1?Q?K=F6nig?= <christian.koenig@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        Pan Xinhui <Xinhui.Pan@amd.com>,
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        Masahiro Yamada <masahiroy@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Nicolas Schier <nicolas@fjasle.eu>,
        linux-kbuild@vger.kernel.org, Josh Poimboeuf <jpoimboe@kernel.org>,
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        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/3] drm/amd/display: Support DRM_AMD_DC_FP on RISC-V
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On Thu, Dec 07, 2023 at 10:49:53PM -0600, Samuel Holland wrote:
> Actually tracking all possibly-FPU-tainted functions and their call sites is
> probably possible, but a much larger task.

I think objtool should be able to do that reasonably easily, it already
does it for checking section where userspace address access is enabled
or not, which is very similar.