Commit:     ee8bb9eae66d3d5558b685f71b52bd8bc4ba5a62
Parent:     ea112bd5493d44967b3dc44fd078be517272b044
Author:     Horms <[EMAIL PROTECTED]>
AuthorDate: Mon Jan 22 20:40:49 2007 -0800
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Jan 23 07:52:07 2007 -0800

    [PATCH] Kdump documentation update: ia64 portion
    this patch fills in the portions for ia64 kexec.
    Signed-off-by: Simon Horman <[EMAIL PROTECTED]>
    Cc: "Zou, Nanhai" <[EMAIL PROTECTED]>
    Cc: Vivek Goyal <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
 Documentation/kdump/kdump.txt |   36 +++++++++++++++++++++++++++++-------
 1 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt
index 2e5b317..0733068 100644
--- a/Documentation/kdump/kdump.txt
+++ b/Documentation/kdump/kdump.txt
@@ -17,7 +17,7 @@ You can use common Linux commands, such as cp and scp, to 
copy the
 memory image to a dump file on the local disk, or across the network to
 a remote system.
-Kdump and kexec are currently supported on the x86, x86_64, ppc64 and IA64
+Kdump and kexec are currently supported on the x86, x86_64, ppc64 and ia64
 When the system kernel boots, it reserves a small section of memory for
@@ -229,7 +229,23 @@ Dump-capture kernel config options (Arch Dependent, ppc64)
 Dump-capture kernel config options (Arch Dependent, ia64)
-(To be filled)
+- No specific options are required to create a dump-capture kernel
+  for ia64, other than those specified in the arch idependent section
+  above. This means that it is possible to use the system kernel
+  as a dump-capture kernel if desired.
+  The crashkernel region can be automatically placed by the system
+  kernel at run time. This is done by specifying the base address as 0,
+  or omitting it all together.
+  or
+  crashkernel=256M
+  If the start address is specified, note that the start address of the
+  kernel will be aligned to 64Mb, so if the start address is not then
+  any space below the alignment point will be wasted.
 Boot into System Kernel
@@ -248,6 +264,10 @@ Boot into System Kernel
    On ppc64, use "[EMAIL PROTECTED]".
+   On ia64, [EMAIL PROTECTED] is a generous value that typically works.
+   The region may be automatically placed on ia64, see the
+   dump-capture kernel config option notes above.
 Load the Dump-capture Kernel
@@ -266,7 +286,8 @@ For x86_64:
 For ppc64:
        - Use vmlinux
 For ia64:
-       (To be filled)
+       - Use vmlinux or vmlinuz.gz
 If you are using a uncompressed vmlinux image then use following command
 to load dump-capture kernel.
@@ -282,18 +303,19 @@ to load dump-capture kernel.
    --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
+it should be omitted
 Following are the arch specific command line options to be used while
 loading dump-capture kernel.
-For i386 and x86_64:
+For i386, x86_64 and ia64:
        "init 1 irqpoll maxcpus=1"
 For ppc64:
        "init 1 maxcpus=1 noirqdistrib"
-For IA64
-       (To be filled)
 Notes on loading the dump-capture kernel:
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