linux-kernel - Re: [PATCH 8/8] Convert PDA into the percpu section

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 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 06 Mar 2007 10:37:58 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andi Kleen <ak@...e.de>
CC:	Rusty Russell <rusty@...tcorp.com.au>,
	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Zachary Amsden <zach@...are.com>,
	Jeremy Fitzhardinge <jeremy@...source.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 8/8] Convert PDA into the percpu section

Andi Kleen wrote:
> Sigh -- i had hoped this had settled down because it was a
> merging nightmare last time. Ok. 
>
>   
>> +#define percpu_to_op(op,var,val)				\
>> +	do {							\
>> +		typedef typeof(var) T__;			\
>> +		if (0) { T__ tmp__; tmp__ = (val); }		\
>> +		switch (sizeof(var)) {				\
>> +		case 1:						\
>> +			asm(op "b %1,"__percpu_seg"%0"		\
>> +			    : "+m" (var)			\
>> +			    :"ri" ((T__)val));			\
>>     
>
> Perhaps I'm blind but I can't see where the %fs reference is there.
>   
__percpu_seg.  It's defined to nothing in the UP case.

    J
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/