Re: How to check bottom half vs user context ?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Saturday 28 June 2008, Bruce Moffat wrote:

> I am looking for a way to test whether I am running in a bottom half
> context or user context.  There are kernel functions which may be called
> from both user and bottom half contex.  For eg, tcp_transmit_skb, may be
> called from user context for first time transmission of a packet or from
> the timer bottom half in case of retransmission.  Is there a way to check
> within that function whether it is currently running in user / bottom half
> context?
>

While you there are ways to find out in which context you run and then act 
accordingly, it seems that is not recommended to so:

http://lwn.net/Articles/274695/

Regards,
tavi

-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.


--
To unsubscribe from this list: send an email with
"unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx
Please read the FAQ at http://kernelnewbies.org/FAQ


[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]
  Powered by Linux