aboutsummaryrefslogtreecommitdiff
path: root/Documentation/kdump
diff options
context:
space:
mode:
authorBernhard Walle <bwalle@suse.de>2007-10-16 23:31:21 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:43:05 -0700
commit8bc9d4227f056f8ff435910b5582d0ec3243848e (patch)
tree9ad52b5ded11e340bbd2bc6c01d0d1528c4039c0 /Documentation/kdump
parent98612acd7d98d7f0b5b85f9d1f9100c8ad8001f0 (diff)
downloadlinux-linaro-stable-8bc9d4227f056f8ff435910b5582d0ec3243848e.tar.gz
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.txt35
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: