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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2022-11-06 03:25:59 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-11-06 03:30:49 -0500 |
| commit | f4298cac2bfcced49ab308756dc8fef684f3da81 (patch) | |
| tree | c0170dfc9064a427b5c4bf65c0c8c599cb4f1b2c /Documentation | |
| parent | Merge branch 'kvm-master' into HEAD (diff) | |
| parent | arm64: booting: Document our requirements for fine grained traps with SME (diff) | |
| download | linux-dev-f4298cac2bfcced49ab308756dc8fef684f3da81.tar.xz linux-dev-f4298cac2bfcced49ab308756dc8fef684f3da81.zip | |
Merge tag 'kvmarm-fixes-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
* Fix the pKVM stage-1 walker erronously using the stage-2 accessor
* Correctly convert vcpu->kvm to a hyp pointer when generating
an exception in a nVHE+MTE configuration
* Check that KVM_CAP_DIRTY_LOG_* are valid before enabling them
* Fix SMPRI_EL1/TPIDR2_EL0 trapping on VHE
* Document the boot requirements for FGT when entering the kernel
at EL1
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/arm64/booting.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/arm64/booting.rst b/Documentation/arm64/booting.rst index 8aefa1001ae5..8c324ad638de 100644 --- a/Documentation/arm64/booting.rst +++ b/Documentation/arm64/booting.rst @@ -340,6 +340,14 @@ Before jumping into the kernel, the following conditions must be met: - SMCR_EL2.LEN must be initialised to the same value for all CPUs the kernel will execute on. + - HWFGRTR_EL2.nTPIDR2_EL0 (bit 55) must be initialised to 0b01. + + - HWFGWTR_EL2.nTPIDR2_EL0 (bit 55) must be initialised to 0b01. + + - HWFGRTR_EL2.nSMPRI_EL1 (bit 54) must be initialised to 0b01. + + - HWFGWTR_EL2.nSMPRI_EL1 (bit 54) must be initialised to 0b01. + For CPUs with the Scalable Matrix Extension FA64 feature (FEAT_SME_FA64) - If EL3 is present: |