Hi,
When I started working on the heterogeneous PMU series, support for the
riscv architecture wasn't merged in kvmtool, and after riscv was merged I
missed adding the header file.
This indeed fixes this compilation error:
In file included from include/linux/rbtree.h:32,
from include/kvm/devices.h:4,
from include/kvm/pci.h:10,
from include/kvm/vfio.h:6,
from include/kvm/kvm-config.h:5,
from include/kvm/kvm.h:6:
include/linux/kernel.h:5:10: fatal error: asm/kernel.h: No such file or directory
5 | #include "asm/kernel.h"
| ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors
compilation terminated.
make: *** [Makefile:484: builtin-balloon.o] Error 1
Would be nice to include it in the commit message, so people googling for
that exact error message can come across this commit.
On Fri, May 20, 2022 at 11:09:46AM -0700, Dao Lu wrote:
> Signed-off-by: Dao Lu <daolu@xxxxxxxxxxxx>
> ---
> riscv/include/asm/kernel.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
> create mode 100644 riscv/include/asm/kernel.h
>
> diff --git a/riscv/include/asm/kernel.h b/riscv/include/asm/kernel.h
> new file mode 100644
> index 0000000..a2a8d9e
> --- /dev/null
> +++ b/riscv/include/asm/kernel.h
> @@ -0,0 +1,8 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +
> +#ifndef __ASM_KERNEL_H
> +#define __ASM_KERNEL_H
> +
> +#define NR_CPUS 4096
In arch/riscv/Kconfig I see this:
config NR_CPUS
int "Maximum number of CPUs (2-32)"
range 2 32
depends on SMP
default "8"
Would you mind explaining where the 4096 number of CPUs comes from?
Thanks,
Alex
> +
> +#endif /* __ASM_KERNEL_H */
> --
> 2.36.0
>
