RE: [PATCH v2 0/2] mm: Introduce kernelcore=reliable option

2015-12-08 Thread Izumi, Taku
Dear Tony, > > Which do you think is beter ? > >- change into kernelcore="mirrored" > >- keep kernelcore="reliable" and minmal printk fix > > UEFI came up with the "reliable" wording (as a more generic term ... > as Andrew said > it could cover differences in ECC modes, or some alternat

Re: [PATCH v2 0/2] mm: Introduce kernelcore=reliable option

2015-12-08 Thread Tony Luck
On Tue, Dec 8, 2015 at 12:07 AM, Izumi, Taku wrote: > Which do you think is beter ? >- change into kernelcore="mirrored" >- keep kernelcore="reliable" and minmal printk fix UEFI came up with the "reliable" wording (as a more generic term ... as Andrew said it could cover differences in E

RE: [PATCH v2 0/2] mm: Introduce kernelcore=reliable option

2015-12-08 Thread Izumi, Taku
Dear Tony, Thanks for testing! Dear Andrew, > > Xeon E7 v3 based systems supports Address Range Mirroring > > and UEFI BIOS complied with UEFI spec 2.5 can notify which > > ranges are reliable (mirrored) via EFI memory map. > > Now Linux kernel utilize its information and allocates > > boot t

Re: [PATCH v2 0/2] mm: Introduce kernelcore=reliable option

2015-12-07 Thread Andrew Morton
On Sat, 28 Nov 2015 00:03:55 +0900 Taku Izumi wrote: > Xeon E7 v3 based systems supports Address Range Mirroring > and UEFI BIOS complied with UEFI spec 2.5 can notify which > ranges are reliable (mirrored) via EFI memory map. > Now Linux kernel utilize its information and allocates > boot time m

Re: [PATCH v2 0/2] mm: Introduce kernelcore=reliable option

2015-12-07 Thread Tony Luck
Sorry for the slow turnaround testing this. This version seems to do better with my quirky system. Summary of /proc/zoneinfo now looks like this: $ ./zoneinfo Node Normal Movable DMA DMA32 017090.0485687.43 14.93 1677.41