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SubjectRe: [PATCH v2 0/3] Handle delay slot for extable lookup
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@xry111.site
>
> To: Oleg Nesterov <oleg@redhat.com>
>
> To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
>
> To: Andrew Morton <akpm@linux-foundation.org>
> To: Ben Hutchings <ben@decadent.org.uk>
>
> Cc: <linux-arch@vger.kernel.org>
> Cc: <linux-kernel@vger.kernel.org>
>
> Cc: <linux-mips@vger.kernel.org>
>
> Cc: <linux-mm@kvack.org>
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> ---
> 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@flygoat.com
>
> ---
> 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.

--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]

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