[RFC v2 4/7] arm64: Use generic VDSO unmap and remap functions
From: Christopher Covington
Date: Tue Nov 01 2016 - 13:12:38 EST
Checkpoint/Restore In Userspace (CRIU) must be able to remap and unmap the
Virtual Dynamic Shared Object (VDSO) to be able to handle the changing
addresses that result from address space layout randomization. Now that
generic support is available and arm64 has adopted unsigned long for the
type of mm->context.vdso, opt-in to VDSO unmap and remap support.
Signed-off-by: Christopher Covington <cov@xxxxxxxxxxxxxx>
arch/arm64/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 969ef88..534df3f 100644
@@ -50,6 +50,7 @@ config ARM64
+ select GENERIC_VDSO
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
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