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| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-02-28 10:42:31 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-02-28 10:45:28 +0100 |
| commit | 4f337faf1c55e55bdc49df13fcb3a3c45655899e (patch) | |
| tree | 362de3a83d19657b9bf767c0250b8bcda33803e2 | |
| parent | 575b255c1663c8fccc41fe965dcac281e3113c65 (diff) | |
| download | linux-4f337faf1c55e55bdc49df13fcb3a3c45655899e.tar.bz2 | |
KVM: allow disabling -Werror
Restrict -Werror to well-tested configurations and allow disabling it
via Kconfig.
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/Kconfig | 13 | ||||
| -rw-r--r-- | arch/x86/kvm/Makefile | 2 |
2 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 991019d5eee1..1bb4927030af 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -59,6 +59,19 @@ config KVM If unsure, say N. +config KVM_WERROR + bool "Compile KVM with -Werror" + # KASAN may cause the build to fail due to larger frames + default y if X86_64 && !KASAN + # We use the dependency on !COMPILE_TEST to not be enabled + # blindly in allmodconfig or allyesconfig configurations + depends on (X86_64 && !KASAN) || !COMPILE_TEST + depends on EXPERT + help + Add -Werror to the build flags for (and only for) i915.ko. + + If in doubt, say "N". + config KVM_INTEL tristate "KVM for Intel (and compatible) processors support" depends on KVM && IA32_FEAT_CTL diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index 4654e97a05cc..e553f0fdd87d 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 ccflags-y += -Iarch/x86/kvm -ccflags-y += -Werror +ccflags-$(CONFIG_KVM_WERROR) += -Werror KVM := ../../../virt/kvm |