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UPSTREAM: KVM: arm64: vgic-v3: Don't advertise ICC_CTLR_EL1.SEIS

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Since we are trapping all sysreg accesses when ICH_VTR_EL2.SEIS
is set, and that we never deliver an SError when emulating
any of the GICv3 sysregs, don't advertise ICC_CTLR_EL1.SEIS.

Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211010150910.2911495-5-maz@kernel.org
(cherry picked from commit f87ab68272)
Bug: 204960018
Signed-off-by: Will Deacon <willdeacon@google.com>
Change-Id: I6b4876d925b148a36b492fc23243d8f36a529fbb
This commit is contained in:
Marc Zyngier
2021-10-10 16:09:09 +01:00
committed by Will Deacon
parent cafc5bbbd3
commit 1cb157aaf0
1 changed files with 0 additions and 2 deletions
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arch/arm64/kvm/hyp/vgic-v3-sr.c
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@@ -987,8 +987,6 @@ static void __vgic_v3_read_ctlr(struct kvm_vcpu *vcpu, u32 vmcr, int rt)
val = ((vtr >> 29) & 7) << ICC_CTLR_EL1_PRI_BITS_SHIFT;
/* IDbits */
val |= ((vtr >> 23) & 7) << ICC_CTLR_EL1_ID_BITS_SHIFT;
/* SEIS */
val |= ((vtr >> 22) & 1) << ICC_CTLR_EL1_SEIS_SHIFT;
/* A3V */
val |= ((vtr >> 21) & 1) << ICC_CTLR_EL1_A3V_SHIFT;
/* EOImode */