Re: grub causing NVDIMMs to be treated as normal memory

On 28.11.2015 07:41, Elliott, Robert (Persistent Memory) wrote: > If you can define a standard meaning for 16 and 20, that'd be more > useful than marking them as OEM defined. There will always be a mix > of software that interprets it as unusable vs. follows this new > advice. 16 would be "RAM

RE: grub causing NVDIMMs to be treated as normal memory

> -Original Message- > From: grub-devel-bounces+elliott=hp@gnu.org [mailto:grub-devel- > bounces+elliott=hp@gnu.org] On Behalf Of Andrei Borzenkov > Sent: Tuesday, December 08, 2015 11:16 AM > To: grub-devel@gnu.org > Subject: Re: grub causing NVDIMMs to be

RE: grub causing NVDIMMs to be treated as normal memory

ment of GNU GRUB <grub-devel@gnu.org> > > Subject: Re: grub causing NVDIMMs to be treated as normal memory > > > > What about this patch for the passing of pram? > ... > > --- a/include/grub/memory.h > > +++ b/include/grub/memory.h > > @@ -30,6 +30,7 @@ type

RE: grub causing NVDIMMs to be treated as normal memory

> grub-core/efiemu/mm.c: > * efiemu_alloc_requests reqorder[] - add GRUB_EFI_PERSISTENT_MEMORY > (although we don't want to encourage ever allocating these >ranges, UNUSABLE_MEMORY is already there) Reviewing that code, since this array has one entry per EFI memory type: static grub_size_t

Re: grub causing NVDIMMs to be treated as normal memory

27.11.2015 16:55, Vladimir 'φ-coder/phcoder' Serbinenko пишет: > New version attached > For completeness, there is lsmmap, but it is cosmetic. What about multiboot(2)? It lists possible memory types. Do they constitute binding API? #define MULTIBOOT_MEMORY_AVAILABLE 1 #define

Re: grub causing NVDIMMs to be treated as normal memory

What about this patch for the passing of pram? diff --git a/grub-core/mmap/efi/mmap.c b/grub-core/mmap/efi/mmap.c index 900a4d6..0c03c5d 100644 --- a/grub-core/mmap/efi/mmap.c +++ b/grub-core/mmap/efi/mmap.c @@ -118,6 +118,12 @@ grub_efi_mmap_iterate (grub_memory_hook_t hook, void *hook_data,

Re: grub causing NVDIMMs to be treated as normal memory

On Fri, Nov 27, 2015 at 2:08 PM, Vladimir 'φ-coder/phcoder' Serbinenko wrote: > What about this patch for the passing of pram? It is incomplete. You need to handle make_efi_memtype() as well as efiemu where I am not sure what is the right thing to do (and we probably have zero

Re: grub causing NVDIMMs to be treated as normal memory

New version attached >> GRUB_MEMORY_COREBOOT_TABLES = 16, >> GRUB_MEMORY_CODE = 20, >> /* This one is special: it's used internally but is never reported > Note (b): The internal GRUB_MEMORY_CODE (20) value is > leaking through to the E820 table. > > That appears to

RE: grub causing NVDIMMs to be treated as normal memory

el@gnu.org> > Subject: Re: grub causing NVDIMMs to be treated as normal memory > > What about this patch for the passing of pram? ... > --- a/include/grub/memory.h > +++ b/include/grub/memory.h > @@ -30,6 +30,7 @@ typedef enum grub_memory_type > GRU

Re: grub causing NVDIMMs to be treated as normal memory

26.11.2015 09:15, Elliott, Robert (Persistent Memory) пишет: ... > ... > mmap/efi/mmap.c:66: EFI memory region 0x88000-0xc8000: 14 > Unknown memory type 14, considering reserved > mmap/efi/mmap.c:66: EFI memory region 0x148000-0x1a8000: 14 > Unknown memory type 14, considering

RE: grub causing NVDIMMs to be treated as normal memory

com; linux-nvd...@lists.01.org > Subject: Re: grub causing NVDIMMs to be treated as normal memory > > 26.11.2015 09:15, Elliott, Robert (Persistent Memory) пишет: > ... > > > ... > > mmap/efi/mmap.c:66: EFI memory region 0x88000-0xc8000: 14 > > Unknown m

Re: grub causing NVDIMMs to be treated as normal memory

>> development of GNU GRUB <grub-devel@gnu.org>; >> dan.j.willi...@intel.com; linux-nvd...@lists.01.org >> Subject: Re: grub causing NVDIMMs to be treated as normal memory >> >> 26.11.2015 09:15, Elliott, Robert (Persistent Memory) пишет: >> ... >&

RE: grub causing NVDIMMs to be treated as normal memory

com; linux-nvd...@lists.01.org > Subject: Re: grub causing NVDIMMs to be treated as normal memory > > 27.11.2015 02:24, Elliott, Robert (Persistent Memory) пишет: > > ... > > Note (a): The 088 and 148 ranges were merged into the > > 010 and 0c8 usable ranges, as

Re: grub causing NVDIMMs to be treated as normal memory

It may operate the same, but there may be persistent data in there that the OS wants to preserve across reboots. —S On Nov 25, 2015, at 6:08 AM, Andrei Borzenkov wrote: > On Wed, Nov 25, 2015 at 2:52 AM, Elliott, Robert (Persistent Memory) > wrote: >>

Re: grub causing NVDIMMs to be treated as normal memory

25.11.2015 02:52, Elliott, Robert (Persistent Memory) пишет: > We've noticed that some combinations of grub and old linux kernels > > end up interpreting the UEFI memory map EfiPersistentMemory type 14 > > (formerly a reserved value) as regular memory in the linux e820 > > table, causing silent

RE: grub causing NVDIMMs to be treated as normal memory

sts.01.org > Subject: Re: grub causing NVDIMMs to be treated as normal memory > > 25.11.2015 02:52, Elliott, Robert (Persistent Memory) пишет: > > We've noticed that some combinations of grub and old linux kernels > > > > end up interpreting the UEFI memory map EfiPers

Re: grub causing NVDIMMs to be treated as normal memory

ment of GNU GRUB <grub-devel@gnu.org>; >> dan.j.willi...@intel.com; linux-nvd...@lists.01.org >> Subject: Re: grub causing NVDIMMs to be treated as normal memory >> >> 25.11.2015 02:52, Elliott, Robert (Persistent Memory) пишет: >>> We've noticed that some comb

RE: grub causing NVDIMMs to be treated as normal memory

> -Original Message- > From: Linux-nvdimm [mailto:linux-nvdimm-boun...@lists.01.org] On Behalf Of > Andrei Borzenkov > Sent: Wednesday, November 25, 2015 8:08 AM > To: The development of GNU GRUB <grub-devel@gnu.org> > Cc: linux-nvd...@lists.01.org > Subjec

Re: grub causing NVDIMMs to be treated as normal memory

On Wed, Nov 25, 2015 at 6:08 AM, Andrei Borzenkov wrote: > On Wed, Nov 25, 2015 at 2:52 AM, Elliott, Robert (Persistent Memory) > wrote: >> We've noticed that some combinations of grub and old linux kernels >> >> end up interpreting the UEFI memory map

RE: grub causing NVDIMMs to be treated as normal memory

> -Original Message- > From: Andrei Borzenkov [mailto:arvidj...@gmail.com] ... > From the build directory > > pkgdatadir=$PWD ./grub-install --bootloader-id testgrub -d grub-core > > This should install grub in \EFI\testgrub on ESP and add EFI menu for > it. You can add --no-nvram to

Re: grub causing NVDIMMs to be treated as normal memory

On Wed, Nov 25, 2015 at 2:52 AM, Elliott, Robert (Persistent Memory) wrote: > We've noticed that some combinations of grub and old linux kernels > > end up interpreting the UEFI memory map EfiPersistentMemory type 14 > > (formerly a reserved value) as regular memory in the linux