From: Catalin Marinas <catalin.marinas@arm.com>
To: Bill Wendling <morbo@google.com>,
linux-arm-kernel@lists.infradead.org,
Ard Biesheuvel <ardb@kernel.org>, Kees Cook <keescook@google.com>,
Will Deacon <will@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64/vdso: Discard .note.gnu.property sections in vDSO
Date: Fri, 30 Apr 2021 18:57:53 +0100 [thread overview]
Message-ID: <161980533328.3085.7369684692351119549.b4-ty@arm.com> (raw)
In-Reply-To: <20210423205159.830854-1-morbo@google.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Bill Wendling <morbo@google.com>,
linux-arm-kernel@lists.infradead.org,
Ard Biesheuvel <ardb@kernel.org>, Kees Cook <keescook@google.com>,
Will Deacon <will@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64/vdso: Discard .note.gnu.property sections in vDSO
Date: Fri, 30 Apr 2021 18:57:53 +0100 [thread overview]
Message-ID: <161980533328.3085.7369684692351119549.b4-ty@arm.com> (raw)
In-Reply-To: <20210423205159.830854-1-morbo@google.com>
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
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next prev parent reply other threads:[~2021-04-30 17:57 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-23 20:51 [PATCH] arm64/vdso: Discard .note.gnu.property sections in vDSO Bill Wendling
2021-04-23 20:51 ` Bill Wendling
2021-04-27 22:58 ` Kees Cook
2021-04-27 22:58 ` Kees Cook
2021-04-28 8:51 ` Ard Biesheuvel
2021-04-28 8:51 ` Ard Biesheuvel
2021-04-28 17:28 ` Catalin Marinas
2021-04-28 17:28 ` Catalin Marinas
2021-04-28 17:40 ` Mark Brown
2021-04-28 17:40 ` Mark Brown
2021-04-28 19:21 ` Bill Wendling
2021-04-28 19:21 ` Bill Wendling
2021-04-28 19:31 ` Bill Wendling
2021-04-28 19:31 ` Bill Wendling
2021-04-29 7:54 ` Szabolcs Nagy
2021-04-29 7:54 ` Szabolcs Nagy
2021-04-29 9:23 ` Bill Wendling
2021-04-29 9:23 ` Bill Wendling
2021-04-29 9:50 ` Szabolcs Nagy
2021-04-29 9:50 ` Szabolcs Nagy
2021-04-29 18:52 ` Bill Wendling
2021-04-29 18:52 ` Bill Wendling
2021-04-30 8:16 ` Szabolcs Nagy
2021-04-30 8:16 ` Szabolcs Nagy
2021-04-30 8:29 ` Bill Wendling
2021-04-30 8:29 ` Bill Wendling
2021-04-30 17:57 ` Catalin Marinas [this message]
2021-04-30 17:57 ` Catalin Marinas
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