1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
From 06b0d43c20f7c6200902d4c6db3d33416877f71c Mon Sep 17 00:00:00 2001
From: Andrea Adami <andrea.adami@gmail.com>
Date: Sun, 26 Aug 2018 21:40:06 +0200
Subject: [PATCH 1/1] arm- backport from oe-core
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
---
kexec/arch/arm/crashdump-arm.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/kexec/arch/arm/crashdump-arm.c b/kexec/arch/arm/crashdump-arm.c
index 2530b29..af2600d 100644
--- a/kexec/arch/arm/crashdump-arm.c
+++ b/kexec/arch/arm/crashdump-arm.c
@@ -240,6 +240,7 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
void *buf;
int err;
int last_ranges;
+ unsigned short align_bit_shift = 20;
/*
* First fetch all the memory (RAM) ranges that we are going to pass to
@@ -281,6 +282,7 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
/* for support LPAE enabled kernel*/
elf_info.class = ELFCLASS64;
+ align_bit_shift = 21;
err = crash_create_elf64_headers(info, &elf_info,
usablemem_rgns.ranges,
@@ -302,8 +304,9 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
* 1MB) so that available memory passed in kernel command line will be
* aligned to 1MB. This is because kernel create_mapping() wants memory
* regions to be aligned to SECTION_SIZE.
+ * The SECTION_SIZE of LPAE kernel is '1UL << 21' defined in pgtable-3level.h
*/
- elfcorehdr = add_buffer_phys_virt(info, buf, bufsz, bufsz, 1 << 20,
+ elfcorehdr = add_buffer_phys_virt(info, buf, bufsz, bufsz, 1 << align_bit_shift,
crash_kernel_mem.start,
crash_kernel_mem.end, -1, 0);
--
2.7.4
|
