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Message-ID: <20240517180341.974251-1-seanjc@google.com>
Date: Fri, 17 May 2024 11:03:41 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH] KVM: x86: Force KVM_WERROR if the global WERROR is enabled
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@...ux-foundation.org>
Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
arch/x86/kvm/Kconfig | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 2a7f69abcac3..75082c4a9ac4 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -44,6 +44,7 @@ config KVM
select KVM_VFIO
select HAVE_KVM_PM_NOTIFIER if PM
select KVM_GENERIC_HARDWARE_ENABLING
+ select KVM_WERROR if WERROR
help
Support hosting fully virtualized guest machines using hardware
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.
# Building KVM with -Werror and KASAN is still doable via enabling
# the kernel-wide WERROR=y.
- depends on KVM && EXPERT && !KASAN
+ depends on KVM && ((EXPERT && !KASAN) || WERROR)
help
Add -Werror to the build flags for KVM.
base-commit: 4aad0b1893a141f114ba40ed509066f3c9bc24b0
--
2.45.0.215.g3402c0e53f-goog
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