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>
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@ -23,6 +23,7 @@
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#include <linux/string.h>
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#include <linux/seq_file.h>
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#include <linux/kdev_t.h>
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#include <linux/kexec.h>
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#include <linux/major.h>
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#include <linux/root_dev.h>
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#include <linux/kernel.h>
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@ -638,6 +639,13 @@ static int __init iseries_probe(void)
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return 1;
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}
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#ifdef CONFIG_KEXEC
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static int iseries_kexec_prepare(struct kimage *image)
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{
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return -ENOSYS;
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}
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#endif
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define_machine(iseries) {
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.name = "iSeries",
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.setup_arch = iSeries_setup_arch,
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@ -658,6 +666,9 @@ define_machine(iseries) {
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.probe = iseries_probe,
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.ioremap = iseries_ioremap,
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.iounmap = iseries_iounmap,
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#ifdef CONFIG_KEXEC
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.machine_kexec_prepare = iseries_kexec_prepare,
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#endif
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/* XXX Implement enable_pmcs for iSeries */
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};
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