| Message ID | 20250327163613.2516073-1-oliver.upton@linux.dev (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | smccc: kvm_guest: Align with DISCOVER_IMPL_CPUS ABI | expand |
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;
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") Signed-off-by: Oliver Upton <oliver.upton@linux.dev> --- drivers/firmware/smccc/kvm_guest.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) base-commit: 369c0122682c4468a69f2454614eded71c5348f3