On Tue, 2015-09-29 at 10:47 +0200, Vitaly Kuznetsov wrote: > Ben Hutchings <ben@xxxxxxxxxxxxxxx> writes: > > > Currently with this configuration I get: > > > > arch/x86/built-in.o: In function `hv_machine_crash_shutdown': > > mshyperv.c:(.text+0x29656): undefined reference to > > `native_machine_crash_shutdown' > > https://lkml.org/lkml/2015/9/23/183 > ... > https://lkml.org/lkml/2015/9/7/440 > ... That's unhelpful, given the instability of lkml.org. Ben. > > > > Fixes: b4370df2b1f5 ("Drivers: hv: vmbus: add special crash > > handler") > > Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> > > Cc: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> > > --- > > arch/x86/kernel/cpu/mshyperv.c | 6 +++++- > > 1 file changed, 5 insertions(+), 1 deletion(-) > > > > diff --git a/arch/x86/kernel/cpu/mshyperv.c > > b/arch/x86/kernel/cpu/mshyperv.c > > index 381c8b9..0c94600 100644 > > --- a/arch/x86/kernel/cpu/mshyperv.c > > +++ b/arch/x86/kernel/cpu/mshyperv.c > > @@ -35,7 +35,7 @@ struct ms_hyperv_info ms_hyperv; > > EXPORT_SYMBOL_GPL(ms_hyperv); > > > > static void (*hv_kexec_handler)(void); > > -static void (*hv_crash_handler)(struct pt_regs *regs); > > +static void (*hv_crash_handler)(struct pt_regs *regs) > > __maybe_unused; > > > > #if IS_ENABLED(CONFIG_HYPERV) > > static void (*vmbus_handler)(void); > > @@ -105,12 +105,14 @@ static void hv_machine_shutdown(void) > > native_machine_shutdown(); > > } > > > > +#ifdef CONFIG_KEXEC_CORE > > static void hv_machine_crash_shutdown(struct pt_regs *regs) > > { > > if (hv_crash_handler) > > hv_crash_handler(regs); > > native_machine_crash_shutdown(regs); > > } > > +#endif > > > > static uint32_t __init ms_hyperv_platform(void) > > @@ -187,7 +189,9 @@ static void __init > > ms_hyperv_init_platform(void) > > #endif > > > > machine_ops.shutdown = hv_machine_shutdown; > > +#ifdef CONFIG_KEXEC_CORE > > machine_ops.crash_shutdown = hv_machine_crash_shutdown; > > +#endif > > mark_tsc_unstable("running on Hyper-V"); > > } > -- Ben Hutchings The obvious mathematical breakthrough [to break modern encryption] would be development of an easy way to factor large prime numbers. - Bill Gates
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