kernelnewbies.kernelnewbies.org archive mirror
 help / color / mirror / Atom feed
From: Greg KH <greg@kroah.com>
To: Ruben Safir <ruben@mrbrklyn.com>
Cc: kernelnewbies@kernelnewbies.org
Subject: Re: Unexpected scheduling with mutexes
Date: Sat, 30 Mar 2019 19:35:59 +0100	[thread overview]
Message-ID: <20190330183559.GA21828@kroah.com> (raw)
In-Reply-To: <0f14b4fd-af65-2903-c692-1ba485c6a852@mrbrklyn.com>

On Sat, Mar 30, 2019 at 08:25:57AM -0400, Ruben Safir wrote:
> On 3/29/19 4:01 PM, Greg KH wrote:
> > As an example of this, serial ports are not "exclusively owned", right?
> 
> 
> they are not?  What handles the interupt?

Context is everything, and you cut out all of it here :(

The kernel handles the interrupt of course, the sentence was referring
to userspace interacting with the kernel, not anything else.

greg k-

_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@kernelnewbies.org
https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

  reply	other threads:[~2019-03-30 18:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-27 10:56 Unexpected scheduling with mutexes Martin Christian
2019-03-29 20:01 ` Greg KH
2019-03-29 21:45   ` Valdis Klētnieks
2019-03-30 12:25   ` Ruben Safir
2019-03-30 18:35     ` Greg KH [this message]
2019-04-03  9:33   ` Martin Christian
2019-04-03  9:48     ` Greg KH

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190330183559.GA21828@kroah.com \
    --to=greg@kroah.com \
    --cc=kernelnewbies@kernelnewbies.org \
    --cc=ruben@mrbrklyn.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
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).