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From: Charles Forsyth <charles.forsyth@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] bug in procwired() for x86 scheduler?
Date: Mon, 23 Jun 2014 00:25:53 +0100	[thread overview]
Message-ID: <CAOw7k5iqEseXUW18L8Ww6E5xUgRdvQTSjB5pvCEUmaTWMSdtvQ@mail.gmail.com> (raw)
In-Reply-To: <1AE8E693-C840-4E40-BB19-6DF52A98E578@fb.com>

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On 22 June 2014 23:25, Yoann Padioleau <pad@fb.com> wrote:

> if(up != p && (p->wired == nil || p->wired == MACHP(m->machno))
>    m->readied = p;
>

yes, because on 386 m is effectively a constant. the code was written with
extern register Mach *m in mind.

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  parent reply	other threads:[~2014-06-22 23:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <EC073287-823A-4F0C-ACFD-2831DE775D53@fb.com>
2014-06-22 22:25 ` Yoann Padioleau
2014-06-22 23:20   ` cinap_lenrek
2014-06-22 23:25   ` Charles Forsyth [this message]
2014-06-23  0:57     ` erik quanstrom
2014-06-23  8:08       ` cinap_lenrek
2014-06-23 16:20       ` Yoann Padioleau
2014-06-23 16:39         ` erik quanstrom

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