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authorAndrew Scull <ascull@google.com>2021-03-18 14:33:10 +0000
committerMarc Zyngier <maz@kernel.org>2021-04-01 09:54:37 +0100
commitf79e616f27ab6cd74deb0995a8eead3d1c9d65af (patch)
tree7f431057f04a8887299e706bcd8aec5774557258 /arch/arm64/kvm/hyp/nvhe/hyp-main.c
parentbug: Assign values once in bug_get_file_line() (diff)
downloadlinux-dev-f79e616f27ab6cd74deb0995a8eead3d1c9d65af.tar.xz
linux-dev-f79e616f27ab6cd74deb0995a8eead3d1c9d65af.zip
KVM: arm64: Use BUG and BUG_ON in nVHE hyp
hyp_panic() reports the address of the panic by using ELR_EL2, but this isn't a useful address when hyp_panic() is called directly. Replace such direct calls with BUG() and BUG_ON() which use BRK to trigger an exception that then goes to hyp_panic() with the correct address. Also remove the hyp_panic() declaration from the header file to avoid accidental misuse. Signed-off-by: Andrew Scull <ascull@google.com> Acked-by: Will Deacon <will@kernel.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210318143311.839894-5-ascull@google.com
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/hyp-main.c')
-rw-r--r--arch/arm64/kvm/hyp/nvhe/hyp-main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
index 936328207bde..821a69601dd9 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
@@ -178,6 +178,6 @@ void handle_trap(struct kvm_cpu_context *host_ctxt)
handle_host_smc(host_ctxt);
break;
default:
- hyp_panic();
+ BUG();
}
}