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| author | Akihiko Odaki <akihiko.odaki@daynix.com> | 2023-01-12 05:38:50 +0300 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2023-01-13 00:07:43 +0300 |
| commit | 8cc6dedaff424d8a9bb6687a7b5763a5eeee125b (patch) | |
| tree | ee1f42a2735ab1f33998081ef08dc16d050319fa /arch/arm64/include/asm/kvm_host.h | |
| parent | 805e6ec1c5e0ba4919a569535d63d2113dc17fed (diff) | |
| download | linux-8cc6dedaff424d8a9bb6687a7b5763a5eeee125b.tar.xz | |
KVM: arm64: Always set HCR_TID2
Always set HCR_TID2 to trap CTR_EL0, CCSIDR2_EL1, CLIDR_EL1, and
CSSELR_EL1. This saves a few lines of code and allows to employ their
access trap handlers for more purposes anticipated by the old
condition for setting HCR_TID2.
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Reiji Watanabe <reijiw@google.com>
Link: https://lore.kernel.org/r/20230112023852.42012-6-akihiko.odaki@daynix.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/include/asm/kvm_host.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 35a159d131b5..374390a9212e 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -705,7 +705,6 @@ static inline bool __vcpu_read_sys_reg_from_cpu(int reg, u64 *val) return false; switch (reg) { - case CSSELR_EL1: *val = read_sysreg_s(SYS_CSSELR_EL1); break; case SCTLR_EL1: *val = read_sysreg_s(SYS_SCTLR_EL12); break; case CPACR_EL1: *val = read_sysreg_s(SYS_CPACR_EL12); break; case TTBR0_EL1: *val = read_sysreg_s(SYS_TTBR0_EL12); break; @@ -750,7 +749,6 @@ static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg) return false; switch (reg) { - case CSSELR_EL1: write_sysreg_s(val, SYS_CSSELR_EL1); break; case SCTLR_EL1: write_sysreg_s(val, SYS_SCTLR_EL12); break; case CPACR_EL1: write_sysreg_s(val, SYS_CPACR_EL12); break; case TTBR0_EL1: write_sysreg_s(val, SYS_TTBR0_EL12); break; |