[PATCH v6 10/12] KVM: arm64: Move sanitized copies of CPU features

Fuad Tabba tabba at google.com
Wed Sep 22 05:47:02 PDT 2021


Move the sanitized copies of the CPU feature registers to the
recently created sys_regs.c. This consolidates all copies in a
more relevant file.

No functional change intended.

Acked-by: Will Deacon <will at kernel.org>
Signed-off-by: Fuad Tabba <tabba at google.com>
---
 arch/arm64/kvm/hyp/nvhe/mem_protect.c | 6 ------
 arch/arm64/kvm/hyp/nvhe/sys_regs.c    | 2 ++
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
index 2a07d63b8498..f6d96e60b323 100644
--- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c
+++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
@@ -25,12 +25,6 @@ struct host_kvm host_kvm;
 
 static struct hyp_pool host_s2_pool;
 
-/*
- * Copies of the host's CPU features registers holding sanitized values.
- */
-u64 id_aa64mmfr0_el1_sys_val;
-u64 id_aa64mmfr1_el1_sys_val;
-
 const u8 pkvm_hyp_id = 1;
 
 static void *host_s2_zalloc_pages_exact(size_t size)
diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c
index ef8456c54b18..13163be83756 100644
--- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c
+++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c
@@ -19,6 +19,8 @@ u64 id_aa64pfr0_el1_sys_val;
 u64 id_aa64pfr1_el1_sys_val;
 u64 id_aa64isar0_el1_sys_val;
 u64 id_aa64isar1_el1_sys_val;
+u64 id_aa64mmfr0_el1_sys_val;
+u64 id_aa64mmfr1_el1_sys_val;
 u64 id_aa64mmfr2_el1_sys_val;
 
 static inline void inject_undef64(struct kvm_vcpu *vcpu)
-- 
2.33.0.464.g1972c5931b-goog




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