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[4/4] KVM: arm64: Finalise EL2 state from pKVM PSCI relay

Message ID 20230201103755.1398086-5-qperret@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: arm64: Fix CPU resume/on with pKVM | expand

Commit Message

Quentin Perret Feb. 1, 2023, 10:37 a.m. UTC 
The EL2 state is not initialised correctly when a CPU comes out of
CPU_{SUSPEND,OFF} as the finalise_el2 function is not being called.
Let's directly call finalise_el2_state from this path to solve the
issue.

Fixes: 504ee23611c4 ("arm64: Add the arm64.nosve command line option")
Signed-off-by: Quentin Perret <qperret@google.com>
---
 arch/arm64/kvm/hyp/nvhe/hyp-init.S | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-init.S b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
index c953fb4b9a13..a6d67c2bb5ae 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-init.S
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
@@ -183,6 +183,7 @@  SYM_CODE_START_LOCAL(__kvm_hyp_init_cpu)
 
 	/* Initialize EL2 CPU state to sane values. */
 	init_el2_state				// Clobbers x0..x2
+	finalise_el2_state
 
 	/* Enable MMU, set vectors and stack. */
 	mov	x0, x28