linux-kernel - Re: [PATCH v4 0/2] mm/memory-failure: Poison read receives SIGKILL instead of SIGBUS issue

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Date:   Tue, 8 Oct 2019 11:13:23 -0700
From:   Jane Chu <jane.chu@...cle.com>
To:     n-horiguchi@...jp.nec.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 0/2] mm/memory-failure: Poison read receives SIGKILL
 instead of SIGBUS issue

Hi, Naoya,

What is the status of the patches?
Is there anything I need to do from my end ?

Regards,
-jane

On 8/6/2019 10:25 AM, Jane Chu wrote:
> Change in v4:
>   - remove trailing white space
> 
> Changes in v3:
>   - move **tk cleanup to its own patch
> 
> Changes in v2:
>   - move 'tk' allocations internal to add_to_kill(), suggested by Dan;
>   - ran checkpatch.pl check, pointed out by Matthew;
>   - Noaya pointed out that v1 would have missed the SIGKILL
>     if "tk->addr == -EFAULT", since the code returns early.
>     Incorporated Noaya's suggestion, also, skip VMAs where
>     "tk->size_shift == 0" for zone device page, and deliver SIGBUS
>     when "tk->size_shift != 0" so the payload is helpful;
>   - added Suggested-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> 
> Jane Chu (2):
>    mm/memory-failure.c clean up around tk pre-allocation
>    mm/memory-failure: Poison read receives SIGKILL instead of SIGBUS if
>      mmaped more than once
> 
>   mm/memory-failure.c | 62 ++++++++++++++++++++++-------------------------------
>   1 file changed, 26 insertions(+), 36 deletions(-)
>