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KVM: x86: Force KVM_WERROR if the global WERROR is enabled

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Force KVM_WERROR if the global WERROR is enabled to avoid pestering the
user about a Kconfig that will ultimately be ignored.  Force KVM_WERROR
instead of making it mutually exclusive with WERROR to avoid generating a
.config builds KVM with -Werror, but has KVM_WERROR=n.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20240517180341.974251-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2024-05-17 11:03:41 -07:00 committed by Paolo Bonzini
parent 6af6142e3a
commit 76d5363c20
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kvm/Kconfig
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@ -44,6 +44,7 @@ config KVM
select KVM_VFIO select KVM_VFIO
select HAVE_KVM_PM_NOTIFIER if PM select HAVE_KVM_PM_NOTIFIER if PM
select KVM_GENERIC_HARDWARE_ENABLING select KVM_GENERIC_HARDWARE_ENABLING
select KVM_WERROR if WERROR
help help
Support hosting fully virtualized guest machines using hardware Support hosting fully virtualized guest machines using hardware
virtualization extensions. You will need a fairly recent virtualization extensions. You will need a fairly recent
@ -66,7 +67,7 @@ config KVM_WERROR
# FRAME_WARN, i.e. KVM_WERROR=y with KASAN=y requires special tuning. # FRAME_WARN, i.e. KVM_WERROR=y with KASAN=y requires special tuning.
# Building KVM with -Werror and KASAN is still doable via enabling # Building KVM with -Werror and KASAN is still doable via enabling
# the kernel-wide WERROR=y. # the kernel-wide WERROR=y.
depends on KVM && EXPERT && !KASAN depends on KVM && ((EXPERT && !KASAN) || WERROR)
help help
Add -Werror to the build flags for KVM. Add -Werror to the build flags for KVM.