Re: [PATCH 3/3] x86/PCI: limit the size of the 64bit BAR to 256GB

2017-12-10 Thread Christian König
Am 08.12.2017 um 18:56 schrieb Bjorn Helgaas: On Wed, Dec 06, 2017 at 01:51:18PM -0600, Bjorn Helgaas wrote: On Wed, Nov 29, 2017 at 03:12:29PM +0100, Christian König wrote: This avoids problems with Xen which hides some memory resources from the OS and potentially also allows memory hotplug wh

Re: [PATCH 3/3] x86/PCI: limit the size of the 64bit BAR to 256GB

2017-12-08 Thread Boris Ostrovsky
On 12/08/2017 12:56 PM, Bjorn Helgaas wrote: > On Wed, Dec 06, 2017 at 01:51:18PM -0600, Bjorn Helgaas wrote: >> On Wed, Nov 29, 2017 at 03:12:29PM +0100, Christian König wrote: >>> This avoids problems with Xen which hides some memory resources from the >>> OS and potentially also allows memory ho

Re: [PATCH 3/3] x86/PCI: limit the size of the 64bit BAR to 256GB

2017-12-08 Thread Bjorn Helgaas
On Wed, Dec 06, 2017 at 01:51:18PM -0600, Bjorn Helgaas wrote: > On Wed, Nov 29, 2017 at 03:12:29PM +0100, Christian König wrote: > > This avoids problems with Xen which hides some memory resources from the > > OS and potentially also allows memory hotplug while this fixup is > > enabled. > > The

Re: [PATCH 3/3] x86/PCI: limit the size of the 64bit BAR to 256GB

2017-12-06 Thread Bjorn Helgaas
On Wed, Nov 29, 2017 at 03:12:29PM +0100, Christian König wrote: > This avoids problems with Xen which hides some memory resources from the > OS and potentially also allows memory hotplug while this fixup is > enabled. The patch itself is OK, but the changelog doesn't say enough about what the pro

[PATCH 3/3] x86/PCI: limit the size of the 64bit BAR to 256GB

2017-11-29 Thread Christian König
This avoids problems with Xen which hides some memory resources from the OS and potentially also allows memory hotplug while this fixup is enabled. Signed-off-by: Christian König --- arch/x86/pci/fixup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/pci/fixup.c b/a