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From: Sami Tolvanen <samitolvanen@google.com>
Subject: [PATCH 7/7] arm64: add a workaround for GNU gold with ARM64_MODULE_PLTS
Date: Wed, 29 Nov 2017 15:44:42 -0800
Message-Id: <20171129234442.655-8-samitolvanen@google.com>
In-Reply-To: <20171129234442.655-1-samitolvanen@google.com>
References: <20171129234442.655-1-samitolvanen@google.com>
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To: Alex Matveev <alxmtvv@gmail.com>, Andi Kleen <ak@linux.intel.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Greg Hackmann <ghackmann@google.com>, Kees Cook <keescook@chromium.org>, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>, Masahiro Yamada <yamada.masahiro@socionext.com>, Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>, Michal Marek <michal.lkml@markovi.net>, Nick Desaulniers <ndesaulniers@google.com>, Yury Norov <ynorov@caviumnetworks.com>, Matthias Kaehlcke <mka@chromium.org>, Nicholas Piggin <npiggin@gmail.com>
Cc: Sami Tolvanen <samitolvanen@google.com>

All current versions of GNU gold crash when linking kernel modules
with ARM64_MODULE_PLTS due to a known bug:

  https://sourceware.org/bugzilla/show_bug.cgi?id=14592

To work around the problem, this change removes NOLOAD from .plt
and .init.plt.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
---
 arch/arm64/kernel/module.lds | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/module.lds b/arch/arm64/kernel/module.lds
index f7c9781a9d48..eacb5c67f61e 100644
--- a/arch/arm64/kernel/module.lds
+++ b/arch/arm64/kernel/module.lds
@@ -1,4 +1,4 @@
 SECTIONS {
-	.plt (NOLOAD) : { BYTE(0) }
-	.init.plt (NOLOAD) : { BYTE(0) }
+	.plt : { BYTE(0) }
+	.init.plt : { BYTE(0) }
 }
-- 
2.15.0.531.g2ccb3012c9-goog