KVM: arm64: nvhe: Fix build with profile optimization

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Kernel build with clang and KCFLAGS=-fprofile-sample-use=<profile> fails with:

error: arch/arm64/kvm/hyp/nvhe/kvm_nvhe.tmp.o: Unexpected SHT_REL
section ".rel.llvm.call-graph-profile"

Starting from 13.0.0 llvm can generate SHT_REL section, see
https://reviews.llvm.org/rGca3bdb57fa1ac98b711a735de048c12b5fdd8086.
gen-hyprel does not support SHT_REL relocation section.

Filter out profile use flags to fix the build with profile optimization.

Signed-off-by: Denis Nikitin <denik@chromium.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221014184532.3153551-1-denik@chromium.org

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Denis Nikitin 2022-10-14 11:45:32 -07:00 • committed by Marc Zyngier

parent 05c2224d4b

commit bde971a83b

1 changed files with 4 additions and 0 deletions

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arch/arm64/kvm/hyp/nvhe/Makefile

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