AuxXxilium/linux_dsm_epyc7002
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4 Commits

Author SHA1 Message Date
David S. Miller
5686f9c3d6 sparc64: Implement a real set_perf_counter_pending(). 
When the perf counter subsystem needs to reschedule work out
from an NMI, it invokes set_perf_counter_pending().

This triggers a non-NMI irq which should invoke
perf_counter_do_pending().

Currently this won't trigger because sparc64 won't trigger
the perf counter subsystem from NMIs, but when the HW counter
support is added it will.

Signed-off-by: David S. Miller <davem@davemloft.net>
 2009-09-10 05:59:24 -07:00
David S. Miller
1c2f61d40b sparc64: Don't hook up pcr_ops on spitfire chips. 
They can't be used for profiling and NMI watchdog currently
since they lack the counter overflow interrupt.

Signed-off-by: David S. Miller <davem@davemloft.net>
 2009-02-05 23:59:04 -08:00
David S. Miller
e5553a6d04 sparc64: Implement NMI watchdog on capable cpus. 
Signed-off-by: David S. Miller <davem@davemloft.net>
 2009-01-30 00:03:53 -08:00
David S. Miller
3eb8057bba sparc64: Move generic PCR support code to seperate file. 
It all lives in the oprofile support code currently and we will need
to share this stuff with NMI watchdog and perf_counter support.

Signed-off-by: David S. Miller <davem@davemloft.net>
 2009-01-28 17:13:57 -08:00