On Wed, Feb 28, 2024 at 10:51:15PM +0530, Sourabh Jain wrote:
> With patch series [1], PowerPC supports nr_cpus=1,
> so use nr_cpus=1 instead of maxcpu=1 in the kdump environment.
>
> Note this changes is dependent on kernel changes [1]
>
> [1]
https://lore.kernel.org/all/170800202447.601034.7290612623478478380.b4-ty...
>
> Signed-off-by: Sourabh Jain <sourabhjain(a)linux.ibm.com>
> Cc: Hari Bathini <hbathini(a)linux.ibm.com>
> Cc: Mahesh Salgaonkar <mahesh(a)linux.ibm.com>
> ---
> gen-kdump-sysconfig.sh | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gen-kdump-sysconfig.sh b/gen-kdump-sysconfig.sh
> index 4a28350..78b0bb7 100755
> --- a/gen-kdump-sysconfig.sh
> +++ b/gen-kdump-sysconfig.sh
> @@ -92,7 +92,7 @@ ppc64le)
> update_param KDUMP_COMMANDLINE_REMOVE \
> "hugepages hugepagesz slub_debug quiet log_buf_len swiotlb hugetlb_cma
ignition.firstboot"
> update_param KDUMP_COMMANDLINE_APPEND \
> - "irqpoll maxcpus=1 noirqdistrib reset_devices cgroup_disable=memory numa=off
udev.children-max=2 ehea.use_mcs=0 panic=10 kvm_cma_resv_ratio=0
transparent_hugepage=never novmcoredd hugetlb_cma=0"
> + "irqpoll nr_cpus=1 noirqdistrib reset_devices cgroup_disable=memory numa=off
udev.children-max=2 ehea.use_mcs=0 panic=10 kvm_cma_resv_ratio=0
transparent_hugepage=never novmcoredd hugetlb_cma=0"
Acked-by: Pingfan Liu <piliu(a)redhat.com>
@Coiby, the related kernel commit is in linux tree now, and will be in
6.9-rc1. This patch can be safely applied after the Fedora kernel is
rebased on that version. Otherwise, the CKI test will oops.