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| author | Eric W. Biederman <ebiederm@xmission.com> | 2005-06-25 14:57:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-25 16:24:49 -0700 |
| commit | 5033cba087f6ac773002123aafbea1aad4267682 (patch) | |
| tree | fa0301c28c004e81d3aad597f23ea2407db8396c /arch/i386/Kconfig | |
| parent | dd2a13054ffc25783a74afb5e4a0f2115e45f9cd (diff) | |
| download | linux-5033cba087f6ac773002123aafbea1aad4267682.tar.gz linux-5033cba087f6ac773002123aafbea1aad4267682.tar.bz2 linux-5033cba087f6ac773002123aafbea1aad4267682.zip | |
[PATCH] kexec: x86 kexec core
This is the i386 implementation of kexec.
Signed-off-by: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/i386/Kconfig')
| -rw-r--r-- | arch/i386/Kconfig | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 31567f4d333a..0f391cbf116e 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -953,6 +953,23 @@ config PHYSICAL_START Don't change this unless you know what you are doing. +config KEXEC + bool "kexec system call (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + kexec is a system call that implements the ability to shutdown your + current kernel, and to start another kernel. It is like a reboot + but it is indepedent of the system firmware. And like a reboot + you can start any kernel with it, not just Linux. + + The name comes from the similiarity to the exec system call. + + It is an ongoing process to be certain the hardware in a machine + is properly shutdown, so do not be surprised if this code does not + initially work for you. It may help to enable device hotplugging + support. As of this writing the exact hardware interface is + strongly in flux, so no good recommendation can be made. + endmenu |