Re: port-alpha/56197 (ATF lib/libc/sys/t_ptrace_wait bytes_transfer_eof_pt_read_d hard hang on Alpha under Qemu)

[thorpej%NetBSD.org@localhost]

Synopsis: ATF lib/libc/sys/t_ptrace_wait bytes_transfer_eof_pt_read_d hard hang on Alpha under Qemu

State-Changed-From-To: analyzed->closed
State-Changed-By: thorpej%NetBSD.org@localhost
State-Changed-When: Sun, 23 May 2021 01:22:21 +0000
State-Changed-Why:
Fixed:

Fix an error introduced in rev 1.130 where the previous pcb_onfault
handler was not restored properly in the kcopyerr case.  Also add a
comment explaining why it's save for these routines to be wrappers
around memcpy().

Fixes port-alpha/56197.