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Mon, 05 May 2025 14:39:40 -0700 (PDT) From: Atish Patra Date: Mon, 05 May 2025 14:39:30 -0700 Subject: [PATCH 5/5] RISC-V: KVM: Remove the boot time enabling of hstateen bits Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250505-kvm_lazy_enable_stateen-v1-5-3bfc4008373c@rivosinc.com> References: <20250505-kvm_lazy_enable_stateen-v1-0-3bfc4008373c@rivosinc.com> In-Reply-To: <20250505-kvm_lazy_enable_stateen-v1-0-3bfc4008373c@rivosinc.com> To: Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Alexandre Ghiti Cc: kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Atish Patra X-Mailer: b4 0.15-dev-42535 All the existing hstateen bits can be enabled at runtime upon first access now. Remove the default enabling at bootime now. Signed-off-by: Atish Patra --- arch/riscv/kvm/vcpu.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c index 60d684c76c58..0aaa9e0e4a01 100644 --- a/arch/riscv/kvm/vcpu.c +++ b/arch/riscv/kvm/vcpu.c @@ -560,16 +560,6 @@ static void kvm_riscv_vcpu_setup_config(struct kvm_vcp= u *vcpu) !riscv_isa_extension_available(isa, SVADE)) cfg->henvcfg |=3D ENVCFG_ADUE; =20 - if (riscv_has_extension_unlikely(RISCV_ISA_EXT_SMSTATEEN)) { - cfg->hstateen0 |=3D SMSTATEEN0_HSENVCFG; - if (riscv_isa_extension_available(isa, SSAIA)) - cfg->hstateen0 |=3D SMSTATEEN0_AIA_IMSIC | - SMSTATEEN0_AIA | - SMSTATEEN0_AIA_ISEL; - if (riscv_isa_extension_available(isa, SMSTATEEN)) - cfg->hstateen0 |=3D SMSTATEEN0_SSTATEEN0; - } - cfg->hedeleg =3D KVM_HEDELEG_DEFAULT; if (vcpu->guest_debug) cfg->hedeleg &=3D ~BIT(EXC_BREAKPOINT); --=20 2.43.0