Re: [Xen-devel] [PATCH v3 2/3] x86/mm: Introduce altp2m_set_entry_by_page_order

[Alexandru Stefan ISAILA <aisaila@xxxxxxxxxxxxxxx>]

On 10.04.2019 17:18, George Dunlap wrote:
> On 4/9/19 1:03 PM, Alexandru Stefan ISAILA wrote:
>> This patch moves common code from p2m_set_altp2m_mem_access() and
>> p2m_change_altp2m_gfn() into one function
>>
>> Signed-off-by: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>
>> ---
>>   xen/arch/x86/mm/mem_access.c |  2 +-
>>   xen/include/asm-x86/p2m.h    | 11 +++++++++++
>>   2 files changed, 12 insertions(+), 1 deletion(-)
>>
>> diff --git a/xen/arch/x86/mm/mem_access.c b/xen/arch/x86/mm/mem_access.c
>> index bf67ddb15a..6a22512555 100644
>> --- a/xen/arch/x86/mm/mem_access.c
>> +++ b/xen/arch/x86/mm/mem_access.c
>> @@ -279,7 +279,7 @@ int p2m_set_altp2m_mem_access(struct domain *d, struct 
>> p2m_domain *hp2m,
>>           gfn_t gfn2 = _gfn(gfn_l & mask);
>>           mfn_t mfn2 = _mfn(mfn_x(mfn) & mask);
>>   
>> -        /* Note: currently it is not safe to remap to a shared entry */
>> +    /* Note: currently it is not safe to remap to a shared entry */
>>           if ( t != p2m_ram_rw )
>>               return -ESRCH;
>>   
>> diff --git a/xen/include/asm-x86/p2m.h b/xen/include/asm-x86/p2m.h
>> index 6de1546d76..90a6c135a7 100644
>> --- a/xen/include/asm-x86/p2m.h
>> +++ b/xen/include/asm-x86/p2m.h
>> @@ -467,6 +467,17 @@ static inline mfn_t altp2m_get_gfn_type_access(
>>       return mfn;
>>   }
>>   
>> +static inline int altp2m_set_entry_by_page_order(
>> +    struct p2m_domain *ap2m, unsigned long gfn,  mfn_t mfn,
>> +    unsigned int page_order, p2m_type_t t, p2m_access_t a)
> 
> This function doesn't seem to be called anywhere in this series.

Yes I saw that yesterday after sending the patch. The call got lost in 
the  re-base/merge process. Sorry about that, it will go on again in v4

Alex
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