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    [POWERPC] Fix RTAS os-term usage on kernel panic · a2b51812
    Linas Vepstas 提交于
    The rtas_os_term() routine was being called at the wrong time.
    The actual rtas call "os-term" will not ever return, and so
    calling it from the panic notifier is too early.  Instead,
    call it from the machine_reset() call.
    
    This splits the rtas_os_term() routine into two: one part to capture
    the kernel panic message, invoked during the panic notifier, and
    another part that is invoked during machine_reset().
    
    Prior to this patch, the os-term call was never being made,
    because panic_timeout was always non-zero.  Calling os-term
    helps keep the hypervisor happy!  We have to keep the hypervisor
    happy to avoid service, dump and error reporting problems.
    Signed-off-by: NLinas Vepstas <linas@austin.ibm.com>
    Signed-off-by: NPaul Mackerras <paulus@samba.org>
    a2b51812
rtas.c 21.1 KB