lkml.org 
[lkml]   [2006]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [2.6 PATCH] Exporting mmu_cr4_features again for i386 & x86_64
Date
On Thursday 29 June 2006 01:01, Milena Milenkovic wrote:
> Hi all,
>
> The mmu_cr4_features variable was "unexported" in 2.6.12 kernel
> (A patch submitted by Adrian Bunk, [2.6 patch] unexport mmu_cr4_features).

Normal policy is to unexport symbols that are not used in the core
kernel.

However I think there is a deprecation policy with prior
warning that might not have been followed here.

> However, this variable is needed if a loadable kernel module wants to
> enable
> access to performance counters from user space.

Ok I guess it's a reasonable request (although we will likely
eventually add a standard API for this and then it might
be removed again)


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

\
 
 \ /
  Last update: 2006-06-29 12:58    [W:0.053 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site