Re: [PATCH 5.15.y] KVM: arm64: nvhe: Fix build with profile optimization

[Greg KH]

On Thu, Jan 12, 2023 at 04:22:10PM -0800, Stephen Boyd wrote:
> From: Denis Nikitin <denik@xxxxxxxxxxxx>
> 
> commit bde971a83bbff78561458ded236605a365411b87 upstream.
> 
> 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@xxxxxxxxxxxx>
> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
> Link: https://lore.kernel.org/r/20221014184532.3153551-1-denik@xxxxxxxxxxxx
> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> ---
> 
> I need this to properly compile 5.15.y stable kernels in the chromeos build
> system.

Now queued up, thanks.

greg k-h