[PATCH 1/1] riscv: alloc space exhausted

[Fabio Estevam]

Hi Heinrich,

On Tue, Apr 5, 2022 at 10:55 AM Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
>
> When trying to run qemu-riscv64_smode_defconfig with 32 harts booting
> fails. The debug UART shows a message
>
>     alloc space exhausted
>
> 32 is the current maximum number of harts for machine virt in QEMU 7.0.
>
> Raise the default for SYS_MALLOC_F_LEN to 16 KiB.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> ---
>  arch/riscv/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index ba29e70acf..6c4586269e 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -196,7 +196,7 @@ config ANDES_PLIC
>           associated with software interrupt.
>
>  config SYS_MALLOC_F_LEN
> -       default 0x1000
> +       default 0x4000

Here I ask the same question you asked me some weeks ago:
https://lists.denx.de/pipermail/u-boot/2022-March/478742.html

We have all defaults for SYS_MALLOC_F_LEN in /Kconfig. Why should
riscv put it somewhere else?