Re: CVS commit: src/sys/net

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

hi,

> On Thu, Oct 20, 2011 at 06:59:42AM +0000, YAMAMOTO Takashi wrote:
>> hi,
>> 
>> > Module Name:       src
>> > Committed By:      dyoung
>> > Date:              Wed Oct 19 01:34:37 UTC 2011
>> > 
>> > Modified Files:
>> >    src/sys/net: if.c if.h
>> > 
>> > Log Message:
>> > Start to untangle the ifnet ioctls mess.
>> > 
>> > Add ifnet functions, if_mcast_op(), if_flags_set(), and if_addr_init()
>> > for adding/deleting multicast addresses, modifying the if_flags,
>> > and initializing local/remote addresses.  Make ifpromisc() use
>> > if_flags_set().  Protocols and network drivers should use these
>> > instead of ifp->if_ioctl() calls.  Subsequent commits will
>> > replace ifp->if_ioctl(SIOCADDMULTI| SIOCDELMULTI| SIOCSIFDSTADDR|
>> > SIOCINITIFADDR| SIOCSIFFLAGS) calls with calls to the new functions.
>> > 
>> > Use a mutex(9) to synchronize ifp->if_ioctl() calls originating in
>> > userland.  Also synchronize ifp->if_ioctl() calls with ifnet detachment
>> > and reclamation.
>> 
>> can you explain what you are trying to achieve with this percpu stuff?
> 
> I have tried to explain in some new comments.  Let me know if you still
> have questions.

which comments?
i don't understand how it's different from simply acquiring a kmutex_t.

YAMAMOTO Takashi

> 
> Dave
> 
> -- 
> David Young             OJC Technologies is now Pixo
> dyoung%pixotech.com@localhost     Urbana, IL   (217) 344-0444 x24