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authorMichael Ellerman <michael@ellerman.id.au>2008-12-22 23:23:18 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-01-08 16:25:10 +1100
commit5c9a2606bcad101e169012d9f79ab3aed60926aa (patch)
tree8aeafb4ba9071833e0e79c5e76187b5587338a6b /arch/powerpc/platforms/iseries
parent29f1aff2cc20d8b81fe3c890b8f134e84b8f41fe (diff)
powerpc/iseries: Kexec is known not to work on iseries
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>
Diffstat (limited to 'arch/powerpc/platforms/iseries')
-rw-r--r--arch/powerpc/platforms/iseries/setup.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 70b688c1aef..24519b96d6a 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -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 */
};