lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	13 Mar 2007 21:09:58 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [patch 4/4] tcp: statistics not read_mostly

Stephen Hemminger <shemminger@...ux-foundation.org> writes:
> 
> /* 
>  * FIXME: On x86 and some other CPUs the split into user and softirq parts
>  * is not needed because addl $1,memory is atomic against interrupts (but 
>  * atomic_inc would be overkill because of the lock cycles). Wants new 
>  * nonlocked_atomic_inc() primitives -AK
>  */ 

That exists now as local_t.  And in fact the generic (non x86) local_t
is implemented in the same way as the current network statistics
(although I'm not convinced that's the best portable way to do this)

-Andi
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists