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 ... > > 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"); > } -- Vitaly _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
