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Date: Mon, 23 Nov 2020 10:21:49 +0000
From: David Brazdil <>
To: Sami Tolvanen <>
Cc: Masahiro Yamada <>,
	Steven Rostedt <>, Will Deacon <>,
	Josh Poimboeuf <>,
	Peter Zijlstra <>,
	Greg Kroah-Hartman <>,
	"Paul E. McKenney" <>,
	Kees Cook <>,
	Nick Desaulniers <>,,,,,,,
Subject: Re: [PATCH v7 15/17] KVM: arm64: disable LTO for the nVHE directory

Hey Sami,

On Wed, Nov 18, 2020 at 02:07:29PM -0800, Sami Tolvanen wrote:
> We use objcopy to manipulate ELF binaries for the nVHE code,
> which fails with LTO as the compiler produces LLVM bitcode
> instead. Disable LTO for this code to allow objcopy to be used.

We now partially link the nVHE code (generating machine code) before objcopy,
so I think you should be able to drop this patch now. Tried building your
branch without it, ran a couple of unit tests and all seems fine.


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