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[RFC,01/18] KVM: Add KVM_USERFAULT build option

Message ID 20240710234222.2333120-2-jthoughton@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: Post-copy live migration for guest_memfd | expand

Commit Message

James Houghton July 10, 2024, 11:42 p.m. UTC 
Some architectures will not support KVM_USERFAULT, so we need to have a
build option to avoid including it for those architectures.

Signed-off-by: James Houghton <jthoughton@google.com>
---
 virt/kvm/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index 754c6c923427..f1b660d593e4 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -117,3 +117,7 @@  config HAVE_KVM_GMEM_PREPARE
 config HAVE_KVM_GMEM_INVALIDATE
        bool
        depends on KVM_PRIVATE_MEM
+
+config KVM_USERFAULT
+	select KVM_GENERIC_MEMORY_ATTRIBUTES
+	bool