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| author | Mark Brown <broonie@kernel.org> | 2021-12-10 19:40:58 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2021-12-14 19:33:44 +0100 |
| commit | 30c43e73b3fa2d75f5d4e72fea345380ba5eb21b (patch) | |
| tree | a8f532a7038acece8a3c45ea79279531f91b3245 /arch/arm64/kvm/reset.c | |
| parent | arm64/sve: Make sysctl interface for SVE reusable by SME (diff) | |
| download | linux-30c43e73b3fa2d75f5d4e72fea345380ba5eb21b.tar.xz linux-30c43e73b3fa2d75f5d4e72fea345380ba5eb21b.zip | |
arm64/sve: Generalise vector length configuration prctl() for SME
In preparation for adding SME support update the bulk of the implementation
for the vector length configuration prctl() calls to be independent of
vector type.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211210184133.320748-3-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kvm/reset.c')
| -rw-r--r-- | arch/arm64/kvm/reset.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index 426bd7fbc3fd..27386f0d81e4 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -52,10 +52,10 @@ int kvm_arm_init_sve(void) * The get_sve_reg()/set_sve_reg() ioctl interface will need * to be extended with multiple register slice support in * order to support vector lengths greater than - * SVE_VL_ARCH_MAX: + * VL_ARCH_MAX: */ - if (WARN_ON(kvm_sve_max_vl > SVE_VL_ARCH_MAX)) - kvm_sve_max_vl = SVE_VL_ARCH_MAX; + if (WARN_ON(kvm_sve_max_vl > VL_ARCH_MAX)) + kvm_sve_max_vl = VL_ARCH_MAX; /* * Don't even try to make use of vector lengths that @@ -103,7 +103,7 @@ static int kvm_vcpu_finalize_sve(struct kvm_vcpu *vcpu) * set_sve_vls(). Double-check here just to be sure: */ if (WARN_ON(!sve_vl_valid(vl) || vl > sve_max_virtualisable_vl() || - vl > SVE_VL_ARCH_MAX)) + vl > VL_ARCH_MAX)) return -EIO; buf = kzalloc(SVE_SIG_REGS_SIZE(sve_vq_from_vl(vl)), GFP_KERNEL_ACCOUNT); |