linux-kernel - [PATCH v3 0/3] s390/crash: support multi-segment iterators

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Date:   Mon, 18 Jul 2022 15:32:38 +0200
From:   Alexander Gordeev <agordeev@...ux.ibm.com>
To:     Matthew Wilcox <willy@...radead.org>,
        Alexander Egorenkov <egorenar@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>
Cc:     Baoquan He <bhe@...hat.com>, Christoph Hellwig <hch@....de>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Subject: [PATCH v3 0/3] s390/crash: support multi-segment iterators

Hi Matthew et al,

This series completes 5d8de293c224 ("vmcore: convert copy_oldmem_page() to
take an iov_iter") for s390.

@Matthew,
  Please, let me know if you are not okay with Suggested-by tag in patch 3.

Changes since v2:
  - Matthew Wilcox suggestion is adopted, with that...
  - copy_to_iter() is used instead of custom implementation;

Changes since v1:
  - number of bytes left to copy on fail fixed;

Thanks!

Alexander Gordeev (3):
  s390/crash: move copy_to_user_real() to crash_dump.c
  s390/crash: use static swap buffer for copy_to_user_real()
  s390/crash: support multi-segment iterators

 arch/s390/include/asm/os_info.h |  17 ++++-
 arch/s390/include/asm/sclp.h    |   4 +-
 arch/s390/include/asm/uaccess.h |   1 -
 arch/s390/kernel/crash_dump.c   | 111 +++++++-------------------------
 arch/s390/mm/maccess.c          |  26 --------
 drivers/s390/char/zcore.c       |  59 +++++++----------
 6 files changed, 65 insertions(+), 153 deletions(-)

-- 
2.34.1