diff options
author | Bernhard Walle <bwalle@suse.de> | 2007-10-17 02:31:21 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 11:43:05 -0400 |
commit | 8bc9d4227f056f8ff435910b5582d0ec3243848e (patch) | |
tree | 9ad52b5ded11e340bbd2bc6c01d0d1528c4039c0 /Documentation/kdump/kdump.txt | |
parent | 98612acd7d98d7f0b5b85f9d1f9100c8ad8001f0 (diff) |
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/kdump.txt')
-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) | |||
159 | CONFIG_PROC_VMCORE=y | 159 | CONFIG_PROC_VMCORE=y |
160 | (CONFIG_PROC_VMCORE is set by default when CONFIG_CRASH_DUMP is selected.) | 160 | (CONFIG_PROC_VMCORE is set by default when CONFIG_CRASH_DUMP is selected.) |
161 | 161 | ||
162 | Dump-capture kernel config options (Arch Dependent, i386) | 162 | Dump-capture kernel config options (Arch Dependent, i386 and x86_64) |
163 | -------------------------------------------------------- | 163 | -------------------------------------------------------------------- |
164 | 1) On x86, enable high memory support under "Processor type and | 164 | |
165 | 1) On i386, enable high memory support under "Processor type and | ||
165 | features": | 166 | features": |
166 | 167 | ||
167 | CONFIG_HIGHMEM64G=y | 168 | CONFIG_HIGHMEM64G=y |
168 | or | 169 | or |
169 | CONFIG_HIGHMEM4G | 170 | CONFIG_HIGHMEM4G |
170 | 171 | ||
171 | 2) On x86 and x86_64, disable symmetric multi-processing support | 172 | 2) On i386 and x86_64, disable symmetric multi-processing support |
172 | under "Processor type and features": | 173 | under "Processor type and features": |
173 | 174 | ||
174 | CONFIG_SMP=n | 175 | CONFIG_SMP=n |
@@ -203,28 +204,6 @@ Dump-capture kernel config options (Arch Dependent, i386) | |||
203 | 5) Make and install the kernel and its modules. DO NOT add this kernel | 204 | 5) Make and install the kernel and its modules. DO NOT add this kernel |
204 | to the boot loader configuration files. | 205 | to the boot loader configuration files. |
205 | 206 | ||
206 | Dump-capture kernel config options (Arch Dependent, x86_64) | ||
207 | ---------------------------------------------------------- | ||
208 | 1) On x86 and x86_64, disable symmetric multi-processing support | ||
209 | under "Processor type and features": | ||
210 | |||
211 | CONFIG_SMP=n | ||
212 | |||
213 | (If CONFIG_SMP=y, then specify maxcpus=1 on the kernel command line | ||
214 | when loading the dump-capture kernel, see section "Load the Dump-capture | ||
215 | Kernel".) | ||
216 | |||
217 | 2) Use a suitable value for "Physical address where the kernel is | ||
218 | loaded" (under "Processor type and features"). This only appears when | ||
219 | "kernel crash dumps" is enabled. By default this value is 0x1000000 | ||
220 | (16MB). It should be the same as X in the "crashkernel=Y@X" boot | ||
221 | parameter. | ||
222 | |||
223 | For x86_64, normally "CONFIG_PHYSICAL_START=0x1000000". | ||
224 | |||
225 | 3) Make and install the kernel and its modules. DO NOT add this kernel | ||
226 | to the boot loader configuration files. | ||
227 | |||
228 | Dump-capture kernel config options (Arch Dependent, ppc64) | 207 | Dump-capture kernel config options (Arch Dependent, ppc64) |
229 | ---------------------------------------------------------- | 208 | ---------------------------------------------------------- |
230 | 209 | ||
@@ -282,11 +261,9 @@ Based on the architecture and type of image (relocatable or not), one | |||
282 | can choose to load the uncompressed vmlinux or compressed bzImage/vmlinuz | 261 | can choose to load the uncompressed vmlinux or compressed bzImage/vmlinuz |
283 | of dump-capture kernel. Following is the summary. | 262 | of dump-capture kernel. Following is the summary. |
284 | 263 | ||
285 | For i386: | 264 | For i386 and x86_64: |
286 | - Use vmlinux if kernel is not relocatable. | 265 | - Use vmlinux if kernel is not relocatable. |
287 | - Use bzImage/vmlinuz if kernel is relocatable. | 266 | - Use bzImage/vmlinuz if kernel is relocatable. |
288 | For x86_64: | ||
289 | - Use vmlinux | ||
290 | For ppc64: | 267 | For ppc64: |
291 | - Use vmlinux | 268 | - Use vmlinux |
292 | For ia64: | 269 | For ia64: |