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authorJakub Kicinski <kuba@kernel.org>2025-07-17 10:56:56 -0700
committerJakub Kicinski <kuba@kernel.org>2025-07-24 11:10:46 -0700
commit8b5a19b4ff6a2096225d88cf24cfeef03edc1bed (patch)
tree652b9d5bcfacfcde6e14381a7f6fac8430f0ac13 /arch/riscv/kvm/aia.c
parent94619ea2d933a2efeea5af63ec909bf2f1519a0e (diff)
parent407c114c983f6eb87161853f0fdbe4a08e394b92 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc8). Conflicts: drivers/net/ethernet/microsoft/mana/gdma_main.c 9669ddda18fb ("net: mana: Fix warnings for missing export.h header inclusion") 755391121038 ("net: mana: Allocate MSI-X vectors dynamically") https://lore.kernel.org/20250711130752.23023d98@canb.auug.org.au Adjacent changes: drivers/net/ethernet/ti/icssg/icssg_prueth.h 6e86fb73de0f ("net: ti: icssg-prueth: Fix buffer allocation for ICSSG") ffe8a4909176 ("net: ti: icssg-prueth: Read firmware-names from device tree") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/riscv/kvm/aia.c')
-rw-r--r--arch/riscv/kvm/aia.c51
1 files changed, 7 insertions, 44 deletions
diff --git a/arch/riscv/kvm/aia.c b/arch/riscv/kvm/aia.c
index 19afd1f23537..dad318185660 100644
--- a/arch/riscv/kvm/aia.c
+++ b/arch/riscv/kvm/aia.c
@@ -30,28 +30,6 @@ unsigned int kvm_riscv_aia_nr_hgei;
unsigned int kvm_riscv_aia_max_ids;
DEFINE_STATIC_KEY_FALSE(kvm_riscv_aia_available);
-static int aia_find_hgei(struct kvm_vcpu *owner)
-{
- int i, hgei;
- unsigned long flags;
- struct aia_hgei_control *hgctrl = get_cpu_ptr(&aia_hgei);
-
- raw_spin_lock_irqsave(&hgctrl->lock, flags);
-
- hgei = -1;
- for (i = 1; i <= kvm_riscv_aia_nr_hgei; i++) {
- if (hgctrl->owners[i] == owner) {
- hgei = i;
- break;
- }
- }
-
- raw_spin_unlock_irqrestore(&hgctrl->lock, flags);
-
- put_cpu_ptr(&aia_hgei);
- return hgei;
-}
-
static inline unsigned long aia_hvictl_value(bool ext_irq_pending)
{
unsigned long hvictl;
@@ -95,7 +73,6 @@ void kvm_riscv_vcpu_aia_sync_interrupts(struct kvm_vcpu *vcpu)
bool kvm_riscv_vcpu_aia_has_interrupts(struct kvm_vcpu *vcpu, u64 mask)
{
- int hgei;
unsigned long seip;
if (!kvm_riscv_aia_available())
@@ -114,11 +91,7 @@ bool kvm_riscv_vcpu_aia_has_interrupts(struct kvm_vcpu *vcpu, u64 mask)
if (!kvm_riscv_aia_initialized(vcpu->kvm) || !seip)
return false;
- hgei = aia_find_hgei(vcpu);
- if (hgei > 0)
- return !!(ncsr_read(CSR_HGEIP) & BIT(hgei));
-
- return false;
+ return kvm_riscv_vcpu_aia_imsic_has_interrupt(vcpu);
}
void kvm_riscv_vcpu_aia_update_hvip(struct kvm_vcpu *vcpu)
@@ -164,6 +137,9 @@ void kvm_riscv_vcpu_aia_load(struct kvm_vcpu *vcpu, int cpu)
csr_write(CSR_HVIPRIO2H, csr->hviprio2h);
#endif
}
+
+ if (kvm_riscv_aia_initialized(vcpu->kvm))
+ kvm_riscv_vcpu_aia_imsic_load(vcpu, cpu);
}
void kvm_riscv_vcpu_aia_put(struct kvm_vcpu *vcpu)
@@ -174,6 +150,9 @@ void kvm_riscv_vcpu_aia_put(struct kvm_vcpu *vcpu)
if (!kvm_riscv_aia_available())
return;
+ if (kvm_riscv_aia_initialized(vcpu->kvm))
+ kvm_riscv_vcpu_aia_imsic_put(vcpu);
+
if (kvm_riscv_nacl_available()) {
nsh = nacl_shmem();
csr->vsiselect = nacl_csr_read(nsh, CSR_VSISELECT);
@@ -472,22 +451,6 @@ void kvm_riscv_aia_free_hgei(int cpu, int hgei)
raw_spin_unlock_irqrestore(&hgctrl->lock, flags);
}
-void kvm_riscv_aia_wakeon_hgei(struct kvm_vcpu *owner, bool enable)
-{
- int hgei;
-
- if (!kvm_riscv_aia_available())
- return;
-
- hgei = aia_find_hgei(owner);
- if (hgei > 0) {
- if (enable)
- csr_set(CSR_HGEIE, BIT(hgei));
- else
- csr_clear(CSR_HGEIE, BIT(hgei));
- }
-}
-
static irqreturn_t hgei_interrupt(int irq, void *dev_id)
{
int i;