diff options
| author | Andrew Jones <drjones@redhat.com> | 2020-11-26 14:46:40 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-11-27 19:46:30 +0000 |
| commit | c73a44161776f6e60d933717f3b34084b0a0eba0 (patch) | |
| tree | 81132505403dc1b273249026fff1052adbbaf0de /arch/arm64/kvm | |
| parent | 09162bc32c880a791c6c0668ce0745cf7958f576 (diff) | |
KVM: arm64: CSSELR_EL1 max is 13
Not counting TnD, which KVM doesn't currently consider, CSSELR_EL1
can have a maximum value of 0b1101 (13), which corresponds to an
instruction cache at level 7. With CSSELR_MAX set to 12 we can
only select up to cache level 6. Change it to 14.
Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201126134641.35231-2-drjones@redhat.com
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index c1fac9836af1..ef453f7827fa 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -169,7 +169,7 @@ void vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg) static u32 cache_levels; /* CSSELR values; used to index KVM_REG_ARM_DEMUX_ID_CCSIDR */ -#define CSSELR_MAX 12 +#define CSSELR_MAX 14 /* Which cache CCSIDR represents depends on CSSELR value. */ static u32 get_ccsidr(u32 csselr) |