diff options
| author | Bharat Bhushan <[email protected]> | 2017-07-12 14:33:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2017-07-12 16:26:00 -0700 |
| commit | a711bdc095d2c9b6ad15e737d1cdc46409b09538 (patch) | |
| tree | 8baec4072d63319127d272a2d056bbf48157a037 | |
| parent | 1229384f5b856d83698c38f9dedfd836e26711cb (diff) | |
kexec/kdump: minor Documentation updates for arm64 and Image
Minor updates in Documentation for arm64 as relocatable kernel. Also
this patch updates documentation for using uncompressed image "Image"
which is used for ARM64.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Bharat Bhushan <[email protected]>
Cc: Dave Young <[email protected]>
Cc: Baoquan He <[email protected]>
Cc: Vivek Goyal <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: AKASHI Takahiro <[email protected]>
Cc: Pratyush Anand <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | Documentation/kdump/kdump.txt | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt index 615434d81108..51814450a7f8 100644 --- a/Documentation/kdump/kdump.txt +++ b/Documentation/kdump/kdump.txt @@ -112,8 +112,8 @@ There are two possible methods of using Kdump. 2) Or use the system kernel binary itself as dump-capture kernel and there is no need to build a separate dump-capture kernel. This is possible only with the architectures which support a relocatable kernel. As - of today, i386, x86_64, ppc64, ia64 and arm architectures support relocatable - kernel. + of today, i386, x86_64, ppc64, ia64, arm and arm64 architectures support + relocatable kernel. Building a relocatable kernel is advantageous from the point of view that one does not have to build a second kernel for capturing the dump. But @@ -339,7 +339,7 @@ For arm: For arm64: - Use vmlinux or Image -If you are using a uncompressed vmlinux image then use following command +If you are using an uncompressed vmlinux image then use following command to load dump-capture kernel. kexec -p <dump-capture-kernel-vmlinux-image> \ @@ -361,6 +361,12 @@ to load dump-capture kernel. --dtb=<dtb-for-dump-capture-kernel> \ --append="root=<root-dev> <arch-specific-options>" +If you are using an uncompressed Image, then use following command +to load dump-capture kernel. + + kexec -p <dump-capture-kernel-Image> \ + --initrd=<initrd-for-dump-capture-kernel> \ + --append="root=<root-dev> <arch-specific-options>" Please note, that --args-linux does not need to be specified for ia64. It is planned to make this a no-op on that architecture, but for now |