On 05/02/2018 04:28 PM, David Hildenbrand wrote:
> On 02.05.2018 14:42, Heiko Carstens wrote:
>> On Wed, May 02, 2018 at 01:08:14PM +0200, David Hildenbrand wrote:
>>> This makes it certainly more readable.
>>>
>>> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
>>> ---
>>> arch/s390/kvm/vsie.c | 10 +++++-----
>>> 1 file changed, 5 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
>>> index 969882b54266..7c51a9dc0ec8 100644
>>> --- a/arch/s390/kvm/vsie.c
>>> +++ b/arch/s390/kvm/vsie.c
>>> @@ -557,7 +557,7 @@ static int pin_blocks(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
>>> if (test_kvm_cpu_feat(vcpu->kvm, KVM_S390_VM_CPU_FEAT_64BSCAO))
>>> gpa |= (u64) READ_ONCE(scb_o->scaoh) << 32;
>>> if (gpa) {
>>> - if (!(gpa & ~0x1fffUL))
>>> + if (gpa < 8192)
>>
>> 2 * PAGE_SIZE, please. That's how it is done on various other places too.
>>
>
> Christian, does the documentation use the wording "lowcore" or "8192" / 8k?
>
> If it is lowcore, I agree to use 2 * PAGE_SIZE. If not, I prefer it to
> directly match documentation.
>
> Anyhow, I leave this decision to Janosch and Christian. Thanks for
> having alook!
>
prefix area and reverse prefix area.
In fact what we check here is actually the reversed prefix area so for completeness we
would need an additional check.
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