| 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 |
| |