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: Mon, 25 Jan 2016 21:06:09 +1100 From: Paul Mackerras <paulus@...abs.org> To: Michael Ellerman <mpe@...erman.id.au> Cc: Alexey Kardashevskiy <aik@...abs.ru>, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: Re: [kernel] powerpc: Make vmalloc_to_phys() public On Mon, Jan 25, 2016 at 04:46:03PM +1100, Michael Ellerman wrote: > On Thu, 2016-21-01 at 07:35:08 UTC, Alexey Kardashevskiy wrote: > > This makes vmalloc_to_phys() public as there will be another user > > (in-kernel VFIO acceleration) for it soon. > > > > As a part of future little optimization, this changes the helper to call > > vmalloc_to_pfn() instead of vmalloc_to_page() as the size of the > > struct page may not be power-of-two aligned which will make gcc use > > multiply instructions instead of shifts. > > You should also mention why you need to export it, presumably because whatever > new user you have in mind can be built as a module. If I remember correctly, it's the *existing* user in hv-24x7.c that needs the export. Paul.
Powered by blists - more mailing lists