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From: "Arnd Bergmann" <arnd@arndb.de>
To: "Masahiro Yamada" <masahiroy@kernel.org>,
	"Arnd Bergmann" <arnd@kernel.org>
Cc: "Nathan Chancellor" <nathan@kernel.org>,
	"Nicolas Schier" <nicolas@fjasle.eu>,
	"Pierre-Clément Tosi" <ptosi@google.com>,
	"Ard Biesheuvel" <ardb@kernel.org>,
	linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] kallsyms: ignore ARMv4 thunks along with others
Date: Wed, 14 Feb 2024 21:45:43 +0100	[thread overview]
Message-ID: <23b58d3c-82eb-450f-a246-f8a91b8e8075@app.fastmail.com> (raw)
In-Reply-To: <CAK7LNASQUhJGSdQiyEpc5Rpuk_hJwSCu=W=4JkL-Et_giFNvPg@mail.gmail.com>

On Wed, Feb 14, 2024, at 21:34, Masahiro Yamada wrote:
> On Thu, Feb 15, 2024 at 3:19 AM Arnd Bergmann <arnd@kernel.org> wrote:
> If this is a recurring problem,
> maybe is it better to use a regular expression?
>
>
> Remove these lines:
>
> # arm64 lld
> / __AArch64ADRPThunk_/d
>
> # arm lld
> / __ARMV5PILongThunk_/d
> / __ARMV7PILongThunk_/d
> / __ThumbV7PILongThunk_/d
>
> # mips lld
> / __LA25Thunk_/d
> / __microLA25Thunk_/d
>
>
>
>
>
> Add this:
>
> # lld
> / __[^[:space:]]*Thunk_/d
>
> This pattern is only used in tooling,
> but never in the kernel space.

Right, makes sense. There is always a risk of removing
intential kernel symbols and this is slightly higher
with the regex but still not that bad.

I'll give this a spin and send a v2 tomorrow then.

    Arnd

  reply	other threads:[~2024-02-14 20:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-14 18:19 Arnd Bergmann
2024-02-14 20:34 ` Masahiro Yamada
2024-02-14 20:45   ` Arnd Bergmann [this message]
2024-02-14 20:56     ` Masahiro Yamada

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