2008/4/21, Murty, Ravi <[EMAIL PROTECTED]>:
> Hello,
>
>
>
> When a thread cannot get a mutex (default mutex) and needs to be
> blocked, is it really put to sleep? From looking at the code it appears
> that it is inhibited (TD_SET_LOCK) but isn't really put to sleep.
>
>
>
> 1. Why isn't i
Murty, Ravi wrote:
That's actually what I was trying to get to.
If I look at vm_daemon(), it checks to see if every thread of the
process is running, on the runq or sleeping. If any threads fails the
condition - and I can think of the case where a thread is blocked
waiting for a lock - it is not
2008/4/21, Murty, Ravi <[EMAIL PROTECTED]>:
> Hello,
>
>
>
> When a thread cannot get a mutex (default mutex) and needs to be
> blocked, is it really put to sleep? From looking at the code it appears
> that it is inhibited (TD_SET_LOCK) but isn't really put to sleep.
>
>From a scheduler perspec
That's actually what I was trying to get to.
If I look at vm_daemon(), it checks to see if every thread of the
process is running, on the runq or sleeping. If any threads fails the
condition - and I can think of the case where a thread is blocked
waiting for a lock - it is not a target to be swapp
Murty, Ravi wrote:
Fundamentally it seems that they both come down to inhibiting the thread
and putting them on some queue before calling mi_switch(). But when a
thread is woken up from a sleep, setrunnable is called and it checks to
see if the process is swapped out. No such check is made when a
Fundamentally it seems that they both come down to inhibiting the thread
and putting them on some queue before calling mi_switch(). But when a
thread is woken up from a sleep, setrunnable is called and it checks to
see if the process is swapped out. No such check is made when a thread
is waiting fo
Murty, Ravi wrote:
Hello,
When a thread cannot get a mutex (default mutex) and needs to be
blocked, is it really put to sleep? From looking at the code it appears
that it is inhibited (TD_SET_LOCK) but isn't really put to sleep.
it really has two answers.
1/ sleep has a lot of historical
Hello,
When a thread cannot get a mutex (default mutex) and needs to be
blocked, is it really put to sleep? From looking at the code it appears
that it is inhibited (TD_SET_LOCK) but isn't really put to sleep.
1. Why isn't it put to sleep - why can't it be treated the same?
2. The
Murty, Ravi wrote:
Hello All,
I am working on the 6.2 FreeBSD code base and has a couple of simple
questions. The thread structure defines two priority fields
"td_base_pri" and "td_priority" while a ksegrp defines "kg_user_pri" and
"kg_pri_class".
1. Since a ksegrp can have multip
Hello All,
I am working on the 6.2 FreeBSD code base and has a couple of simple
questions. The thread structure defines two priority fields
"td_base_pri" and "td_priority" while a ksegrp defines "kg_user_pri" and
"kg_pri_class".
1. Since a ksegrp can have multiple "process scope" thre
On Mon, 21 Apr 2008 14:48:30 +0400
Eygene Ryabinkin <[EMAIL PROTECTED]> wrote:
> Good day.
>
> Sun, Apr 20, 2008 at 06:31:35PM +0100, RW wrote:
> > > this modification seems not to help anything,
> >
> > It possibly doesn't help with an attack against Yarrow itself, but
> > it means that 512 bi
In message: <[EMAIL PROTECTED]>
Erik Trulsson <[EMAIL PROTECTED]> writes:
: On Sun, Apr 20, 2008 at 11:24:32PM -0600, M. Warner Losh wrote:
: > In message: <[EMAIL PROTECTED]>
: > Erik Trulsson <[EMAIL PROTECTED]> writes:
: > : On Sun, Apr 20, 2008 at 12:02:09PM +0300, emily
Good day.
Sun, Apr 20, 2008 at 06:31:35PM +0100, RW wrote:
> > this modification seems not to help anything,
>
> It possibly doesn't help with an attack against Yarrow itself, but it
> means that 512 bits of entropy, rather than 256 bits, can be read-out
> from /dev/random.
The only source of e
On Sun, Apr 20, 2008 at 11:24:32PM -0600, M. Warner Losh wrote:
> In message: <[EMAIL PROTECTED]>
> Erik Trulsson <[EMAIL PROTECTED]> writes:
> : On Sun, Apr 20, 2008 at 12:02:09PM +0300, emily becker wrote:
> : > Hi,
> : >
> : > I have a question about symbol table.
> : > One of the s
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