linux-kernel - Re: [PATCH] arm64/vdso: Discard .note.gnu.property sections in vDSO

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Message-Id: <161980533328.3085.7369684692351119549.b4-ty@arm.com>
Date:   Fri, 30 Apr 2021 18:57:53 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Bill Wendling <morbo@...gle.com>,
        linux-arm-kernel@...ts.infradead.org,
        Ard Biesheuvel <ardb@...nel.org>,
        Kees Cook <keescook@...gle.com>, Will Deacon <will@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64/vdso: Discard .note.gnu.property sections in vDSO

On Fri, 23 Apr 2021 13:51:59 -0700, Bill Wendling wrote:
> The arm64 assembler in binutils 2.32 and above generates a program
> property note in a note section, .note.gnu.property, to encode used x86
> ISAs and features. But the kernel linker script only contains a single
> NOTE segment:
> 
>   PHDRS
>   {
>     text    PT_LOAD    FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
>     dynamic PT_DYNAMIC FLAGS(4);               /* PF_R */
>     note    PT_NOTE    FLAGS(4);               /* PF_R */
>   }
> 
> [...]

Applied to arm64 (for-next/core). Thanks Bill and Szabolcs for
clarifying the need for this patch.

[1/1] arm64/vdso: Discard .note.gnu.property sections in vDSO
      https://git.kernel.org/arm64/c/388708028e69

-- 
Catalin