Re: [PATCH 1/2] PCI: leave MEM and IO decoding disabled during 64-bit BAR sizing, too

2012-08-23 Thread Olof Johansson
Hi, On Thu, Aug 23, 2012 at 11:02 AM, Bjorn Helgaas wrote: > On Thu, Aug 23, 2012 at 12:28:23AM -0700, Olof Johansson wrote: >> Hi, >> >> On Mon, Jul 9, 2012 at 11:20 AM, Bjorn Helgaas wrote: >> > After 253d2e5498, we disable MEM and IO decoding for most devices while we >> > size 32-bit BARs.

Re: [PATCH 1/2] PCI: leave MEM and IO decoding disabled during 64-bit BAR sizing, too

2012-08-23 Thread Bjorn Helgaas
On Thu, Aug 23, 2012 at 12:28:23AM -0700, Olof Johansson wrote: > Hi, > > On Mon, Jul 9, 2012 at 11:20 AM, Bjorn Helgaas wrote: > > After 253d2e5498, we disable MEM and IO decoding for most devices while we > > size 32-bit BARs. However, we restore the original COMMAND register before > > we siz

Re: [PATCH 1/2] PCI: leave MEM and IO decoding disabled during 64-bit BAR sizing, too

2012-08-23 Thread Olof Johansson
Hi, On Mon, Jul 9, 2012 at 11:20 AM, Bjorn Helgaas wrote: > After 253d2e5498, we disable MEM and IO decoding for most devices while we > size 32-bit BARs. However, we restore the original COMMAND register before > we size the upper 32 bits of 64-bit BARs, so we can still cause a conflict. > > Th