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bh=cPyF1NuGUdEEq7YJQmMnljaRXhdcsLAGvUiFeD7uOOU=; b=BL5paCCJBvCTed+D4uNsoVrFs/93dCE+4feCgHGbMbGkzcOOJFq+zTfPRS0VDzgTJa 4fRy6633L8DzxustEvImRWFtG9QmKnQ7VhDGyUfHEcNWftqiQbpTAEFy+xP2iHKf6RgB TrurQrmdZ30eO+WN8gfP/BDUSJEvv8nKqLfSrftRxv1SWqojY1CYopfanoI1AVjkjPSt uxITJnGm5ddoB89npovKCH6IIXthLDW4EJEg3Q8j9wYndTwJntmBpdb4ksq/Yv0OsOq7 e6OS3e1d1qHZ7eUVT8YVlTPmOnqJ1dsKm3MdNuFOIz+8O7hLrJUbRlwRiJ/lKO077put jMlw== X-Gm-Message-State: AJaThX56w9VEIiyPou4OL/vazJd7L7+alM4kUSgNbEZn/WK3sJRoO6UT TqEUGw0QmescmtmUDxPx0uD+SA== X-Google-Smtp-Source: AGs4zMY3ssS3mjK3kWSnR6pn9nVHhMMJ689XHQD4BzCdEt3EFNUzhkzbOFYdc/4Ab3qhRLwbs7OXmw== X-Received: by 10.36.44.197 with SMTP id i188mr5656950iti.40.1512085160644; Thu, 30 Nov 2017 15:39:20 -0800 (PST) Received: from samitolvanen.mtv.corp.google.com ([100.98.112.14]) by smtp.gmail.com with ESMTPSA id h73sm2896676itb.21.2017.11.30.15.39.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 30 Nov 2017 15:39:19 -0800 (PST) From: Sami Tolvanen To: Alex Matveev , Andi Kleen , Ard Biesheuvel , Greg Hackmann , Kees Cook , linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland , Masahiro Yamada , Maxim Kuvyrkov , Michal Marek , Nick Desaulniers , Yury Norov , Matthias Kaehlcke , Nicholas Piggin Subject: [PATCH v2 7/7] arm64: add a workaround for GNU gold with ARM64_MODULE_PLTS Date: Thu, 30 Nov 2017 15:39:05 -0800 Message-Id: <20171130233905.130602-8-samitolvanen@google.com> X-Mailer: git-send-email 2.15.0.531.g2ccb3012c9-goog In-Reply-To: <20171130233905.130602-1-samitolvanen@google.com> References: <20171129234442.655-1-samitolvanen@google.com> <20171130233905.130602-1-samitolvanen@google.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sami Tolvanen MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Acked-by: Ard Biesheuvel --- 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) } }