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KVM: arm64: Fix nVHE boot on VHE systems

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Conflict resolution gone astray results in the kernel not booting
on VHE-capable HW when VHE support is disabled. Thankfully spotted
by David.

Reported-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier 2020-12-08 19:51:49 +00:00
parent f19f6644a5
commit 0cc519f85a
1 changed files with 4 additions and 1 deletions
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5
arch/arm64/kernel/head.S
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@ -515,8 +515,11 @@ SYM_INNER_LABEL(init_el2, SYM_L_LOCAL)
*/
mrs x2, id_aa64mmfr1_el1
ubfx x2, x2, #ID_AA64MMFR1_VHE_SHIFT, #4
cbz x2, init_el2_nvhe
#else
mov x2, xzr
#endif
cbz x2, init_el2_nvhe
/*
* When VHE _is_ in use, EL1 will not be used in the host and
* requires no configuration, and all non-hyp-specific EL2 setup