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| author |   Oliver Upton <oliver.upton@linux.dev> | 2025-03-27 09:36:15 -0700 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2025-04-01 09:38:43 -0700 |
| commit | acfcaf90db1fa833236d9f8249b6099cf638e5d1 (patch) | |
| tree | c80c09206a83a7e932766b0ad791a675aa100ab5 | |
| parent | Merge branch 'kvm-arm64/pmu-fixes' into kvmarm/next (diff) | |
| download | wireguard-linux-acfcaf90db1fa833236d9f8249b6099cf638e5d1.tar.xz wireguard-linux-acfcaf90db1fa833236d9f8249b6099cf638e5d1.zip | |
smccc: kvm_guest: Align with DISCOVER_IMPL_CPUS ABI
The ABI of the hypercall requires that R2 and R3 are 0. Explicitly pass
0 for these parameters.
Cc: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Fixes: 86edf6bdcf05 ("smccc/kvm_guest: Enable errata based on implementation CPUs")
Reviewed-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Link: https://lore.kernel.org/r/20250327163613.2516073-1-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
| -rw-r--r-- | drivers/firmware/smccc/kvm_guest.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firmware/smccc/kvm_guest.c b/drivers/firmware/smccc/kvm_guest.c index 5767aed25cdc..ac2d3cf8a776 100644 --- a/drivers/firmware/smccc/kvm_guest.c +++ b/drivers/firmware/smccc/kvm_guest.c @@ -95,7 +95,7 @@ void __init kvm_arm_target_impl_cpu_init(void) for (i = 0; i < max_cpus; i++) { arm_smccc_1_1_invoke(ARM_SMCCC_VENDOR_HYP_KVM_DISCOVER_IMPL_CPUS_FUNC_ID, - i, &res); + i, 0, 0, &res); if (res.a0 != SMCCC_RET_SUCCESS) { pr_warn("Discovering target implementation CPUs failed\n"); goto mem_free; |