[PATCH 04/10] RISC-V: KVM: Set kvm_riscv_aia_nr_hgei to zero
Anup Patel
apatel at ventanamicro.com
Wed May 17 03:51:29 PDT 2023
We hard-code the kvm_riscv_aia_nr_hgei to zero until IMSIC HW
guest file support is added in KVM RISC-V.
Signed-off-by: Anup Patel <apatel at ventanamicro.com>
---
arch/riscv/kvm/aia.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/kvm/aia.c b/arch/riscv/kvm/aia.c
index c78c06d99e39..3f97575707eb 100644
--- a/arch/riscv/kvm/aia.c
+++ b/arch/riscv/kvm/aia.c
@@ -408,7 +408,7 @@ int kvm_riscv_aia_alloc_hgei(int cpu, struct kvm_vcpu *owner,
raw_spin_unlock_irqrestore(&hgctrl->lock, flags);
- /* TODO: To be updated later by AIA in-kernel irqchip support */
+ /* TODO: To be updated later by AIA IMSIC HW guest file support */
if (hgei_va)
*hgei_va = NULL;
if (hgei_pa)
@@ -610,6 +610,14 @@ int kvm_riscv_aia_init(void)
if (kvm_riscv_aia_nr_hgei)
kvm_riscv_aia_nr_hgei--;
+ /*
+ * Number of usable HGEI lines should be minimum of per-HART
+ * IMSIC guest files and number of bits in HGEIE
+ *
+ * TODO: To be updated later by AIA IMSIC HW guest file support
+ */
+ kvm_riscv_aia_nr_hgei = 0;
+
/* Initialize guest external interrupt line management */
rc = aia_hgei_init();
if (rc)
--
2.34.1
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