diff options
| author | Bernhard Walle <bwalle@suse.de> | 2007-10-16 23:31:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 08:43:05 -0700 |
| commit | 8bc9d4227f056f8ff435910b5582d0ec3243848e (patch) | |
| tree | 9ad52b5ded11e340bbd2bc6c01d0d1528c4039c0 /Documentation/kdump | |
| parent | 98612acd7d98d7f0b5b85f9d1f9100c8ad8001f0 (diff) | |
| download | lwn-8bc9d4227f056f8ff435910b5582d0ec3243848e.tar.gz lwn-8bc9d4227f056f8ff435910b5582d0ec3243848e.zip | |
Express relocatability of kernel on x86_64 in documentation
This patch adapts the Documentation/kdump/kdump.txt file to express the fact
that the x86_64 kernel is now also relocatable. This makes i386 and x86_64
now behave the same, simplifying the documentation.
Signed-off-by: Bernhard Walle <bwalle@suse.de>
Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Cc: Vivek Goyal <vgoyal@in.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/kdump')
| -rw-r--r-- | Documentation/kdump/kdump.txt | 35 |
1 files changed, 6 insertions, 29 deletions
diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt index 2fedc081b4c8..68aa1650973a 100644 --- a/Documentation/kdump/kdump.txt +++ b/Documentation/kdump/kdump.txt @@ -159,16 +159,17 @@ Dump-capture kernel config options (Arch Independent) CONFIG_PROC_VMCORE=y (CONFIG_PROC_VMCORE is set by default when CONFIG_CRASH_DUMP is selected.) -Dump-capture kernel config options (Arch Dependent, i386) --------------------------------------------------------- -1) On x86, enable high memory support under "Processor type and +Dump-capture kernel config options (Arch Dependent, i386 and x86_64) +-------------------------------------------------------------------- + +1) On i386, enable high memory support under "Processor type and features": CONFIG_HIGHMEM64G=y or CONFIG_HIGHMEM4G -2) On x86 and x86_64, disable symmetric multi-processing support +2) On i386 and x86_64, disable symmetric multi-processing support under "Processor type and features": CONFIG_SMP=n @@ -203,28 +204,6 @@ Dump-capture kernel config options (Arch Dependent, i386) 5) Make and install the kernel and its modules. DO NOT add this kernel to the boot loader configuration files. -Dump-capture kernel config options (Arch Dependent, x86_64) ----------------------------------------------------------- -1) On x86 and x86_64, disable symmetric multi-processing support - under "Processor type and features": - - CONFIG_SMP=n - - (If CONFIG_SMP=y, then specify maxcpus=1 on the kernel command line - when loading the dump-capture kernel, see section "Load the Dump-capture - Kernel".) - -2) Use a suitable value for "Physical address where the kernel is - loaded" (under "Processor type and features"). This only appears when - "kernel crash dumps" is enabled. By default this value is 0x1000000 - (16MB). It should be the same as X in the "crashkernel=Y@X" boot - parameter. - - For x86_64, normally "CONFIG_PHYSICAL_START=0x1000000". - -3) Make and install the kernel and its modules. DO NOT add this kernel - to the boot loader configuration files. - Dump-capture kernel config options (Arch Dependent, ppc64) ---------------------------------------------------------- @@ -282,11 +261,9 @@ Based on the architecture and type of image (relocatable or not), one can choose to load the uncompressed vmlinux or compressed bzImage/vmlinuz of dump-capture kernel. Following is the summary. -For i386: +For i386 and x86_64: - Use vmlinux if kernel is not relocatable. - Use bzImage/vmlinuz if kernel is relocatable. -For x86_64: - - Use vmlinux For ppc64: - Use vmlinux For ia64: |