lkml.org 
[lkml]   [2019]   [May]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject[PATCH v5 0/3] Add restrictions for kexec/kdump jumping between 5-level and 4-level kernel
Date

The v4 cover letter tells the background about this adding, paste the
link here for reference:
http://lkml.kernel.org/r/20190509013644.1246-1-bhe@redhat.com

Changelog:
v4->v5:
Tune code and log per Dave's comments, no functional change.
- In patch 2, change the printed erorr message;
- In patch 3, add macro SZ_64T and use it in code, and remove the
obsolete code comment.
v3->v4:
No functional change.
- Rewrite log of patch 1/3 tell who the newly added bits are gonna be
used.
- Rewrite log of patch 2/3 per tglx's words.
- Add Kirill's Acked-by.

v2->v3:
Change the constant to match the notation for the rest of defines as
Kirill suggested;
v1->v2:
Correct the subject of patch 1 according to tglx's comment;
Add more information to cover-letter to address reviewers' concerns;

Baoquan He (3):
x86/boot: Add xloadflags bits for 5-level kernel checking
x86/kexec/64: Error out if try to jump to old 4-level kernel from
5-level kernel
x86/kdump/64: Change the upper limit of crashkernel reservation

arch/x86/boot/header.S | 12 +++++++++++-
arch/x86/include/uapi/asm/bootparam.h | 2 ++
arch/x86/kernel/kexec-bzimage64.c | 5 +++++
arch/x86/kernel/setup.c | 15 ++++++++++++---
include/linux/sizes.h | 1 +
5 files changed, 31 insertions(+), 4 deletions(-)

--
2.17.2

\
 
 \ /
  Last update: 2019-05-24 09:39    [W:0.055 / U:1.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site