Re: [PATCH v2 0/3] Handle delay slot for extable lookup

[Thomas Bogendoerfer]

On Fri, Feb 02, 2024 at 12:30:25PM +0000, Jiaxun Yang wrote:
> Hi all,
> 
> This series fixed extable handling for architecture delay slot (MIPS).
> 
> Please see previous discussions at [1].
> 
> There are some other places in kernel not handling delay slots properly,
> such as uprobe and kgdb, I'll sort them later.
> 
> Thanks!
> 
> [1]: https://lore.kernel.org/lkml/75e9fd7b08562ad9b456a5bdaacb7cc220311cc9.camel@xxxxxxxxxxx
> 
> To: Oleg Nesterov <oleg@xxxxxxxxxx>
> 
> To: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> 
> To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> To: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
> 
> Cc:  <linux-arch@xxxxxxxxxxxxxxx>
> Cc:  <linux-kernel@xxxxxxxxxxxxxxx>
> 
> Cc:  <linux-mips@xxxxxxxxxxxxxxx>
> 
> Cc:  <linux-mm@xxxxxxxxx>
> 
> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> ---
> Changes in v2:
> - Reduce diffstat by implemente fallback macro in linux/ptrace.h (linus)
> - Link to v1: https://lore.kernel.org/r/20240201-exception_ip-v1-0-aa26ab3ee0b5@xxxxxxxxxxx
> 
> ---
> Jiaxun Yang (3):
>       ptrace: Introduce exception_ip arch hook
>       MIPS: Clear Cause.BD in instruction_pointer_set
>       mm/memory: Use exception ip to search exception tables
> 
>  arch/mips/include/asm/ptrace.h | 3 +++
>  arch/mips/kernel/ptrace.c      | 7 +++++++
>  include/linux/ptrace.h         | 4 ++++
>  mm/memory.c                    | 4 ++--
>  4 files changed, 16 insertions(+), 2 deletions(-)

series applied to mips-fixes.

Thomas.

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