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Express new ELF32 mechanisms in documentation

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This patch reflects the
http://git.kernel.org/?p=linux/kernel/git/horms/kexec-tools-testing.git;a=commit;h=b9c3648e690ad0dad12389659673206213a09760
change in kexec-tools-testing also now in the kernel 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>
This commit is contained in:
Bernhard Walle 2007-10-16 23:31:22 -07:00 • committed by Linus Torvalds
parent f00b51654e
commit 4fd45090d6
1 changed files with 7 additions and 5 deletions
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12
Documentation/kdump/kdump.txt
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@ -301,11 +301,13 @@ For ppc64:
Notes on loading the dump-capture kernel: Notes on loading the dump-capture kernel:
* By default, the ELF headers are stored in ELF64 format to support * By default, the ELF headers are stored in ELF64 format to support
systems with more than 4GB memory. The --elf32-core-headers option can systems with more than 4GB memory. On i386, kexec automatically checks if
be used to force the generation of ELF32 headers. This is necessary the physical RAM size exceeds the 4 GB limit and if not, uses ELF32.
because GDB currently cannot open vmcore files with ELF64 headers on So, on non-PAE systems, ELF32 is always used.
32-bit systems. ELF32 headers can be used on non-PAE systems (that is,
less than 4GB of memory). The --elf32-core-headers option can be used to force the generation of ELF32
headers. This is necessary because GDB currently cannot open vmcore files
with ELF64 headers on 32-bit systems.
* The "irqpoll" boot parameter reduces driver initialization failures * The "irqpoll" boot parameter reduces driver initialization failures
due to shared interrupts in the dump-capture kernel. due to shared interrupts in the dump-capture kernel.