[lkml]   [2008]   [Aug]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Linux 2.6.27-rc5: System boot regression caused by commit a2bd7274b47124d2fc4dfdb8c0591f545ba749dd

On Sun, 31 Aug 2008, Yinghai Lu wrote:
> wonder how the probe could find out the size of is 1fff_ffff..

Heh. That's how PCI sizing works: you write all ones to the register, and
read back the result. The low bits won't change, and that indicates the

But if _none_ of the bits change, then that simply means that the size
will be calculated to be 0xffffffff-start.

So the sizing will "work", it will just always report that the BAR covers
everything from start to the 4G limit.


 \ /
  Last update: 2008-08-31 20:09    [W:0.393 / U:0.036 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site