Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl

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To: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>
Subject: Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
From: Peter Xu <peterx@xxxxxxxxxx>
Date: Thu, 18 May 2023 17:50:56 -0400
Cc: Jiaqi Yan <jiaqiyan@xxxxxxxxxx>, James Houghton <jthoughton@xxxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Hongchen Zhang <zhanghongchen@xxxxxxxxxxx>, Huang Ying <ying.huang@xxxxxxxxx>, "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>, Miaohe Lin <linmiaohe@xxxxxxxxxx>, "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>, Nadav Amit <namit@xxxxxxxxxx>, Naoya Horiguchi <naoya.horiguchi@xxxxxxx>, Shuah Khan <shuah@xxxxxxxxxx>, ZhangPeng <zhangpeng362@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, Anish Moorthy <amoorthy@xxxxxxxxxx>
In-reply-to: <ZGaaxjS4jWUio+f6@x1n>

On Thu, May 18, 2023 at 05:38:14PM -0400, Peter Xu wrote:
> If with uffd, perhaps avoid calling it sigbus? As we have FEATURE_SIGBUS
> and I'm afraid it'll cause confusion.  UFFDIO_HWPOISON may sound more
> suitable?

Or UFFDIO_POISON (to identify it from real hw poisons)..

-- 
Peter Xu

References:
- [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
  - From: Axel Rasmussen
- Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
  - From: James Houghton
- Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
  - From: Peter Xu
- Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
  - From: Peter Xu
- Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
  - From: Axel Rasmussen
- Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
  - From: Jiaqi Yan
- Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
  - From: Peter Xu
- Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
  - From: Axel Rasmussen
- Re: [PATCH 1/3] mm: userfaultfd: add new UFFDIO_SIGBUS ioctl
  - From: Peter Xu

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