[dpdk-stable] [PATCH] eal/memory: fix unused SIGBUS handler

[David Marchand]

On Fri, Oct 29, 2021 at 11:53 AM Olivier Matz <olivier.matz at 6wind.com> wrote:
>
> Since its introduction in 2018, the SIGBUS handler was never registered,
> and all related functions were unused.
>
> A SIGBUS can be received by the application when accessing to hugepages
> even if mmap() was successful, This happens especially when running
> inside containers when there is not enough hugepages. In this case, we
> need to recover. A similar scheme can be found in eal_memory.c.
>
> Fixes: 582bed1e1d1d ("mem: support mapping hugepages at runtime")
> Cc: stable at dpdk.org
>
> Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
Acked-by: David Marchand <david.marchand at redhat.com>

Applied, thanks.


-- 
David Marchand