From: Greg KH <gregkh@linuxfoundation.org>
To: Stephen Boyd <swboyd@chromium.org>
Cc: stable@vger.kernel.org, Denis Nikitin <denik@chromium.org>,
linux-kernel@vger.kernel.org, patches@lists.linux.dev,
Marc Zyngier <maz@kernel.org>
Subject: Re: [PATCH 5.15.y] KVM: arm64: nvhe: Fix build with profile optimization
Date: Sat, 14 Jan 2023 10:48:57 +0100 [thread overview]
Message-ID: <Y8J6iSOVwGslj3jV@kroah.com> (raw)
In-Reply-To: <20230113002210.3984665-1-swboyd@chromium.org>
On Thu, Jan 12, 2023 at 04:22:10PM -0800, Stephen Boyd wrote:
> From: Denis Nikitin <denik@chromium.org>
>
> 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@chromium.org>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> Link: https://lore.kernel.org/r/20221014184532.3153551-1-denik@chromium.org
> Signed-off-by: Stephen Boyd <swboyd@chromium.org>
> ---
>
> I need this to properly compile 5.15.y stable kernels in the chromeos build
> system.
Now queued up, thanks.
greg k-h
prev parent reply other threads:[~2023-01-14 9:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-13 0:22 [PATCH 5.15.y] KVM: arm64: nvhe: Fix build with profile optimization Stephen Boyd
2023-01-14 9:48 ` Greg KH [this message]
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