27 Mar
2016
27 Mar
'16
11:25 a.m.
From: Johnny Billquist
It would also be interesting if anyone can come up
with a good reason
why SPL should work that way.
So that when doing:
SPL 0
WAIT
you don't lose by having the interrupt happen between the SPL and the WAIT?
Noel
27 Mar
27 Mar
8:03 p.m.
New subject: PDP-11/70 SPL (was: Early non-Unix filesystems?)
On Sun, 27 Mar 2016, Noel Chiappa wrote:
That makes sense, and someone forgot to document it...
--
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will
suffer."
why SPL should
work that way.
So that when doing:
SPL 0
WAIT
you don't lose by having the interrupt happen between the SPL and the WAIT?
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Dave Horsfall -
jnc＠mercury.lcs.mit.edu