After tons of fixes to get Trap-and-Emulate build on Loongson64,
I've got panic on host machine when trying to run a VM.

I found that it can never work on 64bit systems. Revewing the
code, it looks like R6 can't supportrd by TE as well.

Signed-off-by: Jiaxun Yang <jiaxun.y...@flygoat.com>
---
 arch/mips/Kconfig     | 1 +
 arch/mips/kvm/Kconfig | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 6bc577f34da1..1bf115a08dad 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2183,6 +2183,7 @@ endchoice
 
 config KVM_GUEST
        bool "KVM Guest Kernel"
+       depends on CPU_MIPS32_R2
        depends on BROKEN_ON_SMP
        help
          Select this option if building a guest kernel for KVM (Trap & Emulate)
diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig
index 2bf02d849a3a..032b3fca6cbb 100644
--- a/arch/mips/kvm/Kconfig
+++ b/arch/mips/kvm/Kconfig
@@ -37,10 +37,11 @@ choice
 
 config KVM_MIPS_TE
        bool "Trap & Emulate"
+       depends on CPU_MIPS32_R2
        help
          Use trap and emulate to virtualize 32-bit guests in user mode. This
          does not require any special hardware Virtualization support beyond
-         standard MIPS32/64 r2 or later, but it does require the guest kernel
+         standard MIPS32 r2 or later, but it does require the guest kernel
          to be configured with CONFIG_KVM_GUEST=y so that it resides in the
          user address segment.
 
-- 
2.27.0

Reply via email to