[PATCH v20 00/14] KVM: arm64: Provide guest support for GCS · Mark Brown <broonie@kernel.org> · 2026-09-01
[PATCH v20 01/14] arm64/gcs: Ensure FGTs for EL1 GCS instructions are disabled · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 01/14] arm64/gcs: Ensure FGTs for EL1 GCS instructions are disabled · "Lorenzo Stoakes (ARM)" <ljs@kernel.org> · 2026-09-03
[PATCH v20 02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP · "Lorenzo Stoakes (ARM)" <ljs@kernel.org> · 2026-09-03
Re: [PATCH v20 02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP · Mark Brown <broonie@kernel.org> · 2026-09-03
Re: (subset) [PATCH v20 02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP · Oliver Upton <oupton@kernel.org> · 2026-09-15
[PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · Leonardo Bras <hidden> · 2026-09-02
Re: [PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · Mark Brown <broonie@kernel.org> · 2026-09-03
Re: [PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · "Lorenzo Stoakes (ARM)" <ljs@kernel.org> · 2026-09-03
Re: [PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · Mark Brown <broonie@kernel.org> · 2026-09-03
Re: [PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · "Lorenzo Stoakes (ARM)" <ljs@kernel.org> · 2026-09-04
Re: [PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · Mark Brown <broonie@kernel.org> · 2026-09-04
Re: [PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · "Lorenzo Stoakes (ARM)" <ljs@kernel.org> · 2026-09-07
Re: [PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · Mark Brown <broonie@kernel.org> · 2026-09-07
Re: [PATCH v20 03/14] KVM: arm64: Manage GCS access and registers for guests · "Lorenzo Stoakes (ARM)" <ljs@kernel.org> · 2026-09-09
[PATCH v20 04/14] KVM: arm64: Ensure GCS memory effects are visible · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 04/14] KVM: arm64: Ensure GCS memory effects are visible · Leonardo Bras <hidden> · 2026-09-02
Re: [PATCH v20 04/14] KVM: arm64: Ensure GCS memory effects are visible · "Lorenzo Stoakes (ARM)" <ljs@kernel.org> · 2026-09-04
[PATCH v20 05/14] KVM: arm64: Set PSTATE.EXLOCK when entering an exception · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 05/14] KVM: arm64: Set PSTATE.EXLOCK when entering an exception · Leonardo Bras <hidden> · 2026-09-03
Re: [PATCH v20 05/14] KVM: arm64: Set PSTATE.EXLOCK when entering an exception · Mark Brown <broonie@kernel.org> · 2026-09-03
Re: [PATCH v20 05/14] KVM: arm64: Set PSTATE.EXLOCK when entering an exception · Leonardo Bras <hidden> · 2026-09-03
Re: [PATCH v20 05/14] KVM: arm64: Set PSTATE.EXLOCK when entering an exception · "Lorenzo Stoakes (ARM)" <ljs@kernel.org> · 2026-09-04
[PATCH v20 08/14] KVM: arm64: Enforce EXLOCK for SPSR and ELR · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 08/14] KVM: arm64: Enforce EXLOCK for SPSR and ELR · Leonardo Bras <hidden> · 2026-09-09
[PATCH v20 09/14] KVM: arm64: Allow GCS to be enabled for guests · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 09/14] KVM: arm64: Allow GCS to be enabled for guests · Leonardo Bras <hidden> · 2026-09-09
Re: [PATCH v20 09/14] KVM: arm64: Allow GCS to be enabled for guests · Mark Brown <broonie@kernel.org> · 2026-09-09
[PATCH v20 06/14] KVM: arm64: Validate GCS exception lock when emulating ERET · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 06/14] KVM: arm64: Validate GCS exception lock when emulating ERET · Leonardo Bras <hidden> · 2026-09-03
Re: [PATCH v20 06/14] KVM: arm64: Validate GCS exception lock when emulating ERET · Mark Brown <broonie@kernel.org> · 2026-09-03
Re: [PATCH v20 06/14] KVM: arm64: Validate GCS exception lock when emulating ERET · Leonardo Bras <hidden> · 2026-09-04
Re: [PATCH v20 06/14] KVM: arm64: Validate GCS exception lock when emulating ERET · Mark Brown <broonie@kernel.org> · 2026-09-04
Re: [PATCH v20 06/14] KVM: arm64: Validate GCS exception lock when emulating ERET · Leonardo Bras <hidden> · 2026-09-07
[PATCH v20 10/14] KVM: selftests: arm64: Add GCS registers to get-reg-list · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 10/14] KVM: selftests: arm64: Add GCS registers to get-reg-list · Leonardo Bras <hidden> · 2026-09-09
[PATCH v20 07/14] KVM: arm64: Forward GCS exceptions to nested guests · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 07/14] KVM: arm64: Forward GCS exceptions to nested guests · Leonardo Bras <hidden> · 2026-09-09
[PATCH v20 11/14] KVM: selftests: arm64: Add GCS to set_id_regs · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 11/14] KVM: selftests: arm64: Add GCS to set_id_regs · Leonardo Bras <hidden> · 2026-09-09
[PATCH v20 12/14] KVM: selftests: arm64: Only restore SPSR_EL1 and ELR_EL1 if they change · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 12/14] KVM: selftests: arm64: Only restore SPSR_EL1 and ELR_EL1 if they change · Leonardo Bras <hidden> · 2026-09-09
[PATCH v20 13/14] tools: Synchronise the kernel esr.h · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 13/14] tools: Synchronise the kernel esr.h · Leonardo Bras <hidden> · 2026-09-10
[PATCH v20 14/14] KVM: selftests: arm64: Add GCS EXLOCK exception emulation test · Mark Brown <broonie@kernel.org> · 2026-09-01
Re: [PATCH v20 14/14] KVM: selftests: arm64: Add GCS EXLOCK exception emulation test · Leonardo Bras <hidden> · 2026-09-10
Re: [PATCH v20 14/14] KVM: selftests: arm64: Add GCS EXLOCK exception emulation test · Mark Brown <broonie@kernel.org> · 2026-09-10
Re: [PATCH v20 14/14] KVM: selftests: arm64: Add GCS EXLOCK exception emulation test · Leonardo Bras <hidden> · 2026-09-11

Re: (subset) [PATCH v20 02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP

From: Oliver Upton <oupton@kernel.org>
Date: 2026-09-15 22:25:45
Also in: kvmarm, linux-arm-kernel, linux-kselftest, lkml

On Tue, 01 Sep 2026 22:47:00 +0100, Mark Brown wrote:

The encoding to trap mapping currently maps a FGT on OP_GCSPOPX to
HFGITR_EL2.nGCSEPP but as per DDI0601 2026-06 this FGT controls trapping
of GCSPUSHX and GCSPOPCX, and not the separate GCSPOPX instruction.
Update the mapping to reflect the architecture.

Applied to fixes, thanks!

[02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP
        https://git.kernel.org/kvmarm/kvmarm/c/089e4f3c4862

--
Best,
Oliver

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