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
| ||
|
Date: Thu, 18 Mar 2010 21:29:07 -0400 From: Siddhartha Chhabra <siddhartha.chhabra@...il.com> To: Bryan Donlan <bdonlan@...il.com> Cc: LKML <linux-kernel@...r.kernel.org> Subject: Re: Kernel vs user memory On Thu, Mar 18, 2010 at 9:06 PM, Bryan Donlan <bdonlan@...il.com> wrote: > > That is correct. The kernel can avoid a PF if it wants to by ensuring > the page tables are set up properly from the start; and physical > addresses below a certain value (which varies by architecture) can be > accessed directly without any setup at all. > Thank you for your time, this discussion was really helpful. Thanks once again Sid -- 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/
Powered by blists - more mailing lists