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UPSTREAM: arm64: Only select ARM64_MODULE_PLTS if MODULES=y

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Selecting CONFIG_RANDOMIZE_BASE=y and CONFIG_MODULES=n fails to build
the module PLTs support:

  CC      arch/arm64/kernel/module-plts.o
/work/Linux/linux-2.6-aarch64/arch/arm64/kernel/module-plts.c: In function ‘module_emit_plt_entry’:
/work/Linux/linux-2.6-aarch64/arch/arm64/kernel/module-plts.c:32:49: error: dereferencing pointer to incomplete type ‘struct module’

This patch selects ARM64_MODULE_PLTS conditionally only if MODULES is
enabled.

Fixes: f80fb3a3d5 ("arm64: add support for kernel ASLR")
Cc: <stable@vger.kernel.org> # 4.6+
Reported-by: Jeff Vander Stoep <jeffv@google.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Bug: 30369029
Patchset: kaslr-arm64-4.4

(cherry picked from commit b9c220b589)
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Change-Id: I446cb3aa78f1c64b5aa1e2e90fda13f7d46cac33
This commit is contained in:
Catalin Marinas
2016-07-26 10:16:55 -07:00
committed by Jeff Vander Stoep
parent 1d2e2e3c0f
commit 42f010ac16
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/Kconfig
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@@ -784,7 +784,7 @@ config RELOCATABLE
config RANDOMIZE_BASE
bool "Randomize the address of the kernel image"
select ARM64_MODULE_PLTS
select ARM64_MODULE_PLTS if MODULES
select RELOCATABLE
help
Randomizes the virtual address at which the kernel image is