[Makedumpfile PATCH V2 0/4] x86_64: Fix page_offset for randomized base enabled
dyoung at redhat.com
Mon Oct 31 22:34:11 PDT 2016
Pratyush, the patches works for me, thanks~
On 10/31/16 at 01:47pm, Pratyush Anand wrote:
> Patch 1/4 fixes page_offset calculation, so that it is correctly calculated
> on KASLR enabled kernel as well.
> Patch 2/4 simplifies VA to PA translation. New code has been benchmarked
> against old code on a 4T system.
> Patch 3/4 and 4/4 is removal of (now) unnecessary code.
> I think, we should find a way to kill find_vememmap() as well, so that
> VMEMMAP_START can be removed. I have very limited idea about x86, so unable
> to do that as of now.
It was introduced in below commit, ccing Cliff Wickman, see if he has
Author: Cliff Wickman <cpw at sgi.com>
Date: Mon Oct 26 23:20:18 2015 +0900
> Changes since V1:
> * A bug in patch 1/4 fixed
> * Patch log of 2/4 improved to include more number of trials
> Pratyush Anand (4):
> x86_64: Calculate page_offset from pt_load
> x86_64: translate all VA to PA using page table values
> x86_64: kill is_vmalloc_addr_x86_64()
> x86_64: kill some unused initialization
> arch/x86_64.c | 84 ++++++++++++++++++++--------------------------------------
> makedumpfile.h | 9 +++----
> 2 files changed, 32 insertions(+), 61 deletions(-)
> kexec mailing list
> kexec at lists.infradead.org
More information about the kexec