[PATCH v3] vhost: exclude VM hugepages from coredumps

Maxime Coquelin maxime.coquelin at redhat.com
Fri Feb 3 15:50:13 CET 2023



On 12/7/22 17:54, Mike Pattrick wrote:
> Currently if an application wants to include shared hugepages in
> coredumps in conjunction with the vhost library, the coredump will be
> larger than expected and include unneeded virtual machine memory.
> 
> This patch will mark all vhost huge pages as DONTDUMP, except for some
> select pages used by DPDK.
> 
> Signed-off-by: Mike Pattrick <mkp at redhat.com>
> 
> ---
> v2:
> * Removed warning on unsupported platforms
> 
> v3:
> * Removed pointer warning on 32bit platforms
> 
> ---
>   lib/vhost/iotlb.c      |  5 +++++
>   lib/vhost/vhost.h      | 12 ++++++++++++
>   lib/vhost/vhost_user.c | 10 ++++++++++
>   3 files changed, 27 insertions(+)
> 

Applied to dpdk-next-virtio/main.

Thanks,
Maxime



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