Messages in this thread | | | From | Alexander Egorenkov <> | Subject | Re: [PATCH v4 0/4] s390/crash: support multi-segment iterators | Date | Wed, 20 Jul 2022 14:15:04 +0200 |
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HI Alexander,
Alexander Gordeev <agordeev@linux.ibm.com> writes:
> Hi Matthew et al, > > This series completes 5d8de293c224 ("vmcore: convert copy_oldmem_page() > to take an iov_iter") for s390. > > Changes since v3: > - concurrent access to HSA and oldmem swap buffers protected; > > 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 (4): > s390/zcore: fix race when reading from hardware system area > 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 | 114 ++++++++------------------------ > arch/s390/mm/maccess.c | 26 -------- > drivers/s390/char/zcore.c | 55 ++++++++------- > 6 files changed, 71 insertions(+), 146 deletions(-) > > -- > 2.34.1
all our kdump + makedumpfile (with CP as core collector as well) work with these patches applied.
Tested on LPAR and zVM. With and w/o KASAN.
Tested-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Regards Alex
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