Re: [PATCH 3/6] KVM: s390: vsie: Convert shift to phys_to_pfn()

[Sven Schnelle <svens@linux.ibm.com>]

Sven Schnelle <svens@linux.ibm.com> writes:

> Christoph Schlameuss <schlameuss@linux.ibm.com> writes:
>
>> Make the code slightly more readable.
>>
>> Signed-off-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
>> ---
>>  arch/s390/kvm/vsie.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
>> index 3e956c7faa4b..937f9c99bc00 100644
>> --- a/arch/s390/kvm/vsie.c
>> +++ b/arch/s390/kvm/vsie.c
>> @@ -701,7 +701,7 @@ static int pin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t *hpa)
>>  /* Unpins a page previously pinned via pin_guest_page, marking it as dirty. */
>>  static void unpin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t hpa)
>>  {
>> -	kvm_release_page_dirty(pfn_to_page(hpa >> PAGE_SHIFT));
>> +	kvm_release_page_dirty(pfn_to_page(phys_to_pfn(hpa)));
>>  	/* mark the page always as dirty for migration */
>>  	mark_page_dirty(kvm, gpa_to_gfn(gpa));
>>  }
>
> Could you add to the commit description what you changed? I.e. use
> phys_to_pfn() instead of the open coded shift? It's bad if you do a 'git
> log' and get commit with useless descriptions like 'make code more
> readable'.

Nevermind - was in a rush and missed that it's in the summary... :-/