9fans - fans of the OS Plan 9 from Bell Labs
 help / color / mirror / Atom feed
* Re: [9fans] proc.c
@ 2002-05-03 19:05 forsyth
  0 siblings, 0 replies; 3+ messages in thread
From: forsyth @ 2002-05-03 19:05 UTC (permalink / raw)
  To: 9fans

[-- Attachment #1: Type: text/plain, Size: 139 bytes --]

silly question.  i'd overlooked that it was always the same element of the runq array
that was locked even though there's one per level.

[-- Attachment #2: Type: message/rfc822, Size: 2974 bytes --]

[-- Attachment #2.1.1: Type: text/plain, Size: 10 bytes --]

Lock runq;

[-- Attachment #2.1.2: Type: message/rfc822, Size: 1364 bytes --]

From: forsyth@caldo.demon.co.uk
To: 9fans@cse.psu.edu
Subject: [9fans] proc.c
Date: Fri, 3 May 2002 17:45:43 +0100
Message-ID: <ba4fe407f4ca01067f5a3730a662abb4@caldo.demon.co.uk>

i must be missing something.  i've wondered
which lock protects nrdy in /sys/src/9/port/proc.c
on a multiprocessor, and if it doesn't matter, why not?

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [9fans] proc.c
@ 2002-05-03 18:45 presotto
  0 siblings, 0 replies; 3+ messages in thread
From: presotto @ 2002-05-03 18:45 UTC (permalink / raw)
  To: 9fans

[-- Attachment #1: Type: text/plain, Size: 10 bytes --]

Lock runq;

[-- Attachment #2: Type: message/rfc822, Size: 1364 bytes --]

From: forsyth@caldo.demon.co.uk
To: 9fans@cse.psu.edu
Subject: [9fans] proc.c
Date: Fri, 3 May 2002 17:45:43 +0100
Message-ID: <ba4fe407f4ca01067f5a3730a662abb4@caldo.demon.co.uk>

i must be missing something.  i've wondered
which lock protects nrdy in /sys/src/9/port/proc.c
on a multiprocessor, and if it doesn't matter, why not?

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [9fans] proc.c
@ 2002-05-03 16:45 forsyth
  0 siblings, 0 replies; 3+ messages in thread
From: forsyth @ 2002-05-03 16:45 UTC (permalink / raw)
  To: 9fans

i must be missing something.  i've wondered
which lock protects nrdy in /sys/src/9/port/proc.c
on a multiprocessor, and if it doesn't matter, why not?



^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2002-05-03 19:05 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2002-05-03 19:05 [9fans] proc.c forsyth
  -- strict thread matches above, loose matches on Subject: below --
2002-05-03 18:45 presotto
2002-05-03 16:45 forsyth

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).