linux-kernel - Re: [RFC Patch 1/9] Introducing generic hardware breakpoint handler interfaces

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

Date:	Mon, 20 Oct 2008 15:22:36 +0530
From:	"K.Prasad" <prasad@...ux.vnet.ibm.com>
To:	Albert Cahalan <acahalan@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC Patch 1/9] Introducing generic hardware breakpoint
	handler interfaces

On Mon, Oct 20, 2008 at 05:33:40AM -0400, Albert Cahalan wrote:
> I'd just like to point out that not all hardware breakpoints
> involve addresses. For example:
> 
> The OLPC XO uses an x86 processor called the Geode.
> It supports a breakpoint that traps based on the opcode.
> For example, one could set it to trap on arpl instructions.

We should be able to handle such unique requirements by introducing a
new type of breakpoints (similar to HW_BREAKPOINT_EXECUTE,
HW)BREAKPOINT_WRITE, etc).

Thanks,
K.Prasad

--
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/