uce: coredump scenario support kernel recovery
hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I591O4 CVE: NA -------------------------------- This patch add uce kernel recovery path support in coredump process. Coredump file writing to fs is related to the specific implementation of fs's write_iter operation. This patch only supports uce kernel recovery in ext4/tmpfs/pipefs. Coredump scenario use bit4 of uce_kernel_recover as the switch which can be set in procfs and cmdline. Signed-off-by:Tong Tiangen <tongtiangen@huawei.com> Reviewed-by:
Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by:
Yongqiang Liu <liuyongqiang13@huawei.com>
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- arch/arm64/include/asm/exception.h 1 addition, 0 deletionsarch/arm64/include/asm/exception.h
- arch/arm64/include/asm/string.h 3 additions, 1 deletionarch/arm64/include/asm/string.h
- arch/arm64/lib/Makefile 1 addition, 1 deletionarch/arm64/lib/Makefile
- arch/arm64/lib/memcpy_mc.S 79 additions, 0 deletionsarch/arm64/lib/memcpy_mc.S
- arch/arm64/mm/fault.c 1 addition, 0 deletionsarch/arm64/mm/fault.c
- fs/binfmt_elf.c 2 additions, 0 deletionsfs/binfmt_elf.c
- include/linux/sched.h 1 addition, 0 deletionsinclude/linux/sched.h
- kernel/sysctl.c 1 addition, 1 deletionkernel/sysctl.c
- lib/iov_iter.c 16 additions, 2 deletionslib/iov_iter.c
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