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powerpc/iseries: Kexec is known not to work on iseries

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The non-zero return from the prepare callback is returned by sys_kexec_load()
to userspace, indicating that kexec is not supported on the machine.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Michael Ellerman 2008-12-22 23:23:18 +00:00 committed by Benjamin Herrenschmidt
parent 29f1aff2cc
commit 5c9a2606bc
1 changed files with 11 additions and 0 deletions
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11
arch/powerpc/platforms/iseries/setup.c
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@ -23,6 +23,7 @@
#include <linux/string.h>
#include <linux/seq_file.h>
#include <linux/kdev_t.h>
#include <linux/kexec.h>
#include <linux/major.h>
#include <linux/root_dev.h>
#include <linux/kernel.h>
@ -638,6 +639,13 @@ static int __init iseries_probe(void)
return 1;
}
#ifdef CONFIG_KEXEC
static int iseries_kexec_prepare(struct kimage *image)
{
return -ENOSYS;
}
#endif
define_machine(iseries) {
.name = "iSeries",
.setup_arch = iSeries_setup_arch,
@ -658,6 +666,9 @@ define_machine(iseries) {
.probe = iseries_probe,
.ioremap = iseries_ioremap,
.iounmap = iseries_iounmap,
#ifdef CONFIG_KEXEC
.machine_kexec_prepare = iseries_kexec_prepare,
#endif
/* XXX Implement enable_pmcs for iSeries */
};