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Re: [PATCH] hw/ppc/spapr: Test whether TCG is enabled with tcg_enabled()
From: |
David Gibson |
Subject: |
Re: [PATCH] hw/ppc/spapr: Test whether TCG is enabled with tcg_enabled() |
Date: |
Tue, 20 Jun 2023 18:33:45 +1000 |
On Tue, Jun 20, 2023 at 09:48:02AM +0200, Philippe Mathieu-Daudé wrote:
> Although the PPC target only supports the TCG and KVM
> accelerators, QEMU supports more. We can no assume that
> '!kvm == tcg', so test for the correct accelerator. This
> also eases code review, because here we don't care about
> KVM, we really want to test for TCG.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
> ---
> hw/ppc/spapr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index dcb7f1c70a..c4b666587b 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -2524,7 +2524,7 @@ static void spapr_set_vsmt_mode(SpaprMachineState
> *spapr, Error **errp)
> int ret;
> unsigned int smp_threads = ms->smp.threads;
>
> - if (!kvm_enabled() && (smp_threads > 1)) {
> + if (tcg_enabled() && (smp_threads > 1)) {
> error_setg(errp, "TCG cannot support more than 1 thread/core "
> "on a pseries machine");
> return;
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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