[PATCH v4 0/4] Enable writable for idregs DFR0,PFR0, MMFR{0,1,2}

[Jing Zhang]

This patch series enable userspace writable for below idregs:
ID_AA64DFR0_EL1, ID_DFR0_EL1, ID_AA64PFR0_EL1, ID_AA64MMFR{0, 1, 2}_EL1.

It is based on below series [2] which add infrastructure for writable idregs.

---

* v3 -> v4
  - Rebase on v11 of writable idregs series at [2].

* v2 -> v3
  - Rebase on v6 of writable idregs series.
  - Enable writable for ID_AA64PFR0_EL1 and ID_AA64MMFR{0, 1, 2}_EL1.

* v1 -> v2
  - Rebase on latest patch series [1] of enabling writable ID register.

[1] https://lore.kernel.org/all/20230402183735.3011540-1-jingzhangos@google.com
[2] https://lore.kernel.org/all/20230602005118.2899664-1-jingzhangos@google.com

[v1] https://lore.kernel.org/all/20230326011950.405749-1-jingzhangos@google.com
[v2] https://lore.kernel.org/all/20230403003723.3199828-1-jingzhangos@google.com
[v3] https://lore.kernel.org/all/20230405172146.297208-1-jingzhangos@google.com

---

Jing Zhang (4):
  KVM: arm64: Enable writable for ID_AA64DFR0_EL1
  KVM: arm64: Enable writable for ID_DFR0_EL1
  KVM: arm64: Enable writable for ID_AA64PFR0_EL1
  KVM: arm64: Enable writable for ID_AA64MMFR{0, 1, 2}_EL1

 arch/arm64/kvm/sys_regs.c | 78 +++++++++++++++++++++++++++++++++------
 1 file changed, 67 insertions(+), 11 deletions(-)


base-commit: 01b532e41af091a48287dd45f763db4b887bcdfc
-- 
2.41.0.rc0.172.g3f132b7071-goog