On 18/10/2018 16:59, Daniel Kiper wrote:
> On Tue, Oct 09, 2018 at 01:03:03PM +0200, Juergen Gross wrote:
>> Some common code needs to be special cased for Xen PVH mode. This hits
>> mostly Xen PV mode specific areas.
>>
>> Signed-off-by: Juergen Gross <jgr...@suse.com>
>> ---
>>  grub-core/kern/i386/tsc.c         | 2 +-
>>  include/grub/i386/pc/int.h        | 3 +++
>>  include/grub/i386/tsc.h           | 2 +-
>>  include/grub/i386/xen/hypercall.h | 5 ++++-
>>  include/grub/kernel.h             | 4 +++-
>>  5 files changed, 12 insertions(+), 4 deletions(-)
>>
>> diff --git a/grub-core/kern/i386/tsc.c b/grub-core/kern/i386/tsc.c
>> index f266eb131..43fee3a13 100644
>> --- a/grub-core/kern/i386/tsc.c
>> +++ b/grub-core/kern/i386/tsc.c
>> @@ -65,7 +65,7 @@ grub_tsc_init (void)
>>
>>    tsc_boot_time = grub_get_tsc ();
>>
>> -#ifdef GRUB_MACHINE_XEN
>> +#if defined (GRUB_MACHINE_XEN) || defined (GRUB_MACHINE_XENPVH)
> 
> s/GRUB_MACHINE_XENPVH/GRUB_MACHINE_XEN_PVH/

Okay.

> 
>>    (void) (grub_tsc_calibrate_from_xen () || calibrate_tsc_hardcode());
>>  #elif defined (GRUB_MACHINE_EFI)
>>    (void) (grub_tsc_calibrate_from_pmtimer () || grub_tsc_calibrate_from_pit 
>> () || grub_tsc_calibrate_from_efi() || calibrate_tsc_hardcode());
>> diff --git a/include/grub/i386/pc/int.h b/include/grub/i386/pc/int.h
>> index 16a53e4fe..46fb1e397 100644
>> --- a/include/grub/i386/pc/int.h
>> +++ b/include/grub/i386/pc/int.h
>> @@ -51,9 +51,12 @@ struct grub_bios_int_registers
>>  #define  GRUB_CPU_INT_FLAGS_DEFAULT   0
>>  #endif
>>
>> +#ifndef GRUB_MACHINE_XENPVH
>>  void EXPORT_FUNC (grub_bios_interrupt) (grub_uint8_t intno,
>>                                      struct grub_bios_int_registers *regs)
>>       __attribute__ ((regparm(3)));
>> +#endif
> 
> Is it an issue with this declaration? I think that you should take care
> about grub-core/kern/i386/int.S. So, relevant Makefile should be
> updated instead of this declaration.

I'll have a try. I just remember I struggled a lot with this issue
when writing the patches.


Juergen


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