Re: [RFC][PATCH v2 01/21] e820: cheat PMEM as DRAM

2018-12-27 Thread Fengguang Wu
On Thu, Dec 27, 2018 at 11:32:06AM -0800, Yang Shi wrote: On Wed, Dec 26, 2018 at 9:13 PM Dan Williams wrote: On Wed, Dec 26, 2018 at 8:11 PM Fengguang Wu wrote: > > On Wed, Dec 26, 2018 at 07:41:41PM -0800, Matthew Wilcox wrote: > >On Wed, Dec 26, 2018 at 09:14:47PM +0800, Fengguang Wu wrote

Re: [RFC][PATCH v2 01/21] e820: cheat PMEM as DRAM

2018-12-27 Thread Yang Shi
On Wed, Dec 26, 2018 at 9:13 PM Dan Williams wrote: > > On Wed, Dec 26, 2018 at 8:11 PM Fengguang Wu wrote: > > > > On Wed, Dec 26, 2018 at 07:41:41PM -0800, Matthew Wilcox wrote: > > >On Wed, Dec 26, 2018 at 09:14:47PM +0800, Fengguang Wu wrote: > > >> From: Fan Du > > >> > > >> This is a hack

Re: [RFC][PATCH v2 01/21] e820: cheat PMEM as DRAM

2018-12-26 Thread Dan Williams
On Wed, Dec 26, 2018 at 8:11 PM Fengguang Wu wrote: > > On Wed, Dec 26, 2018 at 07:41:41PM -0800, Matthew Wilcox wrote: > >On Wed, Dec 26, 2018 at 09:14:47PM +0800, Fengguang Wu wrote: > >> From: Fan Du > >> > >> This is a hack to enumerate PMEM as NUMA nodes. > >> It's necessary for current BIOS

Re: [RFC][PATCH v2 01/21] e820: cheat PMEM as DRAM

2018-12-26 Thread Fengguang Wu
On Wed, Dec 26, 2018 at 07:41:41PM -0800, Matthew Wilcox wrote: On Wed, Dec 26, 2018 at 09:14:47PM +0800, Fengguang Wu wrote: From: Fan Du This is a hack to enumerate PMEM as NUMA nodes. It's necessary for current BIOS that don't yet fill ACPI HMAT table. WARNING: take care to backup. It is m

Re: [RFC][PATCH v2 01/21] e820: cheat PMEM as DRAM

2018-12-26 Thread Matthew Wilcox
On Wed, Dec 26, 2018 at 09:14:47PM +0800, Fengguang Wu wrote: > From: Fan Du > > This is a hack to enumerate PMEM as NUMA nodes. > It's necessary for current BIOS that don't yet fill ACPI HMAT table. > > WARNING: take care to backup. It is mutual exclusive with libnvdimm > subsystem and can dest

[RFC][PATCH v2 01/21] e820: cheat PMEM as DRAM

2018-12-26 Thread Fengguang Wu
From: Fan Du This is a hack to enumerate PMEM as NUMA nodes. It's necessary for current BIOS that don't yet fill ACPI HMAT table. WARNING: take care to backup. It is mutual exclusive with libnvdimm subsystem and can destroy ndctl managed namespaces. Signed-off-by: Fan Du Signed-off-by: Fenggua