Re: [PATCH for-4.20 0/3] RISCV: Bugfixes and UBSAN

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

On 2/7/25 11:01 PM, Andrew Cooper wrote:

> One bugfix, and two minor patches to get UBSAN working with RISCV.  They
> should be considered for 4.20 at this juncture.
>     
Considering that RISC-V port isn't really usable and changes are quite straightforward
and low risk:
 Release-Acked-By: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>

Thanks.

~ Oleksii
> I tried to get this working everywhere, but:
>
> 1) ARM32 has some problem with dump_execution_state() and dies with an
>    undefined instruction error.
>
> 2) PPC doesn't get any console output, and also appears to have no exception
>    handling either.  Also, when it doesn't succeed, it takes ages to fail.
>
> Andrew Cooper (3):
>   RISCV/boot: Run constructors during setup
>   RISCV/asm: Use CALL rather than JAL
>   RISCV: Activate UBSAN in testing
>
>  automation/gitlab-ci/build.yaml        |  3 +++
>  xen/arch/riscv/Kconfig                 |  1 +
>  xen/arch/riscv/entry.S                 |  2 +-
>  xen/arch/riscv/include/asm/processor.h |  2 ++
>  xen/arch/riscv/riscv64/head.S          | 12 ++++++------
>  xen/arch/riscv/setup.c                 |  2 ++
>  xen/arch/riscv/traps.c                 |  2 +-
>  xen/common/ubsan/ubsan.c               |  5 ++++-
>  8 files changed, 20 insertions(+), 9 deletions(-)
>
>