lkml.org 
[lkml]   [2020]   [Feb]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] KVM: allow disabling -Werror
Date
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>
---
arch/x86/kvm/Kconfig | 13 +++++++++++++
arch/x86/kvm/Makefile | 2 +-
2 files changed, 14 insertions(+), 1 deletion(-)

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

--
1.8.3.1
\
 
 \ /
  Last update: 2020-02-28 10:58    [W:0.151 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site