From: Catalin Marinas <catalin.marinas@arm.com>
To: Amit Daniel Kachhap <amit.kachhap@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
Vincenzo Frascino <Vincenzo.Frascino@arm.com>,
Will Deacon <will@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] arm64: Kconfig: ptrauth: Add binutils version check to fix mismatch
Date: Wed, 1 Apr 2020 13:28:22 +0100 [thread overview]
Message-ID: <20200401122805.GD9434@mbp> (raw)
In-Reply-To: <1585568499-21585-2-git-send-email-amit.kachhap@arm.com>
On Mon, Mar 30, 2020 at 05:11:39PM +0530, Amit Daniel Kachhap wrote:
> Recent addition of ARM64_PTR_AUTH exposed a mismatch issue with binutils.
> 9.1+ versions of gcc inserts a section note .note.gnu.property but this
> can be used properly by binutils version greater than 2.33.1. If older
> binutils are used then the following warnings are generated,
>
> aarch64-linux-ld: warning: arch/arm64/kernel/vdso/vgettimeofday.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000
> aarch64-linux-objdump: warning: arch/arm64/lib/csum.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000
> aarch64-linux-nm: warning: .tmp_vmlinux1: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000
I queued both patches for 5.7. Thanks.
--
Catalin
next prev parent reply other threads:[~2020-04-01 12:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 11:41 [PATCH v2 1/2] init/kconfig: Add LD_VERSION Kconfig Amit Daniel Kachhap
2020-03-30 11:41 ` [PATCH v2 2/2] arm64: Kconfig: ptrauth: Add binutils version check to fix mismatch Amit Daniel Kachhap
2020-04-01 12:28 ` Catalin Marinas [this message]
2020-05-04 7:11 ` [PATCH v2 1/2] init/kconfig: Add LD_VERSION Kconfig Geert Uytterhoeven
2020-05-04 8:06 ` Will Deacon
2020-05-05 13:51 ` Michael Ellerman
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