linux-kernel - Re: [PATCH 1/4] scatterlist: new helper functions

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Mon, 10 Jan 2011 18:58:45 -0800 (PST)
From:	Alex Dubov <oakad@...oo.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Maxim Levitsky <maximlevitsky@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, Takashi Iwai <tiwai@...e.de>
Subject: Re: [PATCH 1/4] scatterlist: new helper functions

> 
> The functions that were added:
> 
> * sg_nents/sg_total_len - interate over sg list to figure

You've got a typo here.

> out its total len, number of entries.
> Useful for not keeping that information in side channels.
> 

> Allows to transparetly compare contents of the sg list to
> given linear

And here.

> buffer.
> If needed later, a function that compares two sgs can be
> added.
> 
> All of this code is used by my ms_block.c driver.
> 

I definitely find this useful.
But, of course, we need to ask somebody from the memory management
department to look at it, as this patch is intended to be not memorystick
specific.





      
--
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/