Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5c9a2606 authored by Michael Ellerman's avatar Michael Ellerman Committed by Benjamin Herrenschmidt
Browse files

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: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 29f1aff2

arch/powerpc/platforms/iseries/setup.c

+11 −0
Original line number Diff line number Diff line
@@ -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 */

};