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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-05 19:20:54 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-05 19:20:54 +0000 |
| commit | 9cf27fc03a2eaf3d91167db54c19bad8652ac085 (patch) | |
| tree | 42f079ff82e701ebcb76829974b4caca3e5b6798 /arch/riscv/kvm/aia_device.c | |
| parent | Adding upstream version 6.8.12. (diff) | |
| download | linux-9cf27fc03a2eaf3d91167db54c19bad8652ac085.tar.xz linux-9cf27fc03a2eaf3d91167db54c19bad8652ac085.zip | |
Adding upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/riscv/kvm/aia_device.c')
| -rw-r--r-- | arch/riscv/kvm/aia_device.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/riscv/kvm/aia_device.c b/arch/riscv/kvm/aia_device.c index 0eb689351b..5cd407c6a8 100644 --- a/arch/riscv/kvm/aia_device.c +++ b/arch/riscv/kvm/aia_device.c @@ -237,10 +237,11 @@ static gpa_t aia_imsic_ppn(struct kvm_aia *aia, gpa_t addr) static u32 aia_imsic_hart_index(struct kvm_aia *aia, gpa_t addr) { - u32 hart, group = 0; + u32 hart = 0, group = 0; - hart = (addr >> (aia->nr_guest_bits + IMSIC_MMIO_PAGE_SHIFT)) & - GENMASK_ULL(aia->nr_hart_bits - 1, 0); + if (aia->nr_hart_bits) + hart = (addr >> (aia->nr_guest_bits + IMSIC_MMIO_PAGE_SHIFT)) & + GENMASK_ULL(aia->nr_hart_bits - 1, 0); if (aia->nr_group_bits) group = (addr >> aia->nr_group_shift) & GENMASK_ULL(aia->nr_group_bits - 1, 0); |