[ia64] access_uarea(): stop bothering with gpregs_[gs]et()

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We know this won't be called for child == current, so we don't need
to bother with callbacks, etc. - just do unw_init_from_blocked_task(),
unw_unwind_to_user() and do the payload of gpregs_[gs]et().  For
one register.  Which is to say, access_elf_reg().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Al Viro 2020-06-06 18:46:45 -04:00

parent a79ca8e7b9

commit 6bc4f16c6c

1 changed files with 8 additions and 9 deletions

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arch/ia64/kernel/ptrace.c

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