Re: [RFC 19/37] KVM: s390: protvirt: Add new gprs location handling

[Janosch Frank <frankja@linux.ibm.com>]

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On 11/14/19 3:44 PM, Thomas Huth wrote:
> On 24/10/2019 13.40, Janosch Frank wrote:
>> Guest registers for protected guests are stored at offset 0x380.
>>
>> Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
>> ---
>>  arch/s390/include/asm/kvm_host.h |  4 +++-
>>  arch/s390/kvm/kvm-s390.c         | 11 +++++++++++
>>  2 files changed, 14 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
>> index 0ab309b7bf4c..5deabf9734d9 100644
>> --- a/arch/s390/include/asm/kvm_host.h
>> +++ b/arch/s390/include/asm/kvm_host.h
>> @@ -336,7 +336,9 @@ struct kvm_s390_itdb {
>>  struct sie_page {
>>  	struct kvm_s390_sie_block sie_block;
>>  	struct mcck_volatile_info mcck_info;	/* 0x0200 */
>> -	__u8 reserved218[1000];		/* 0x0218 */
>> +	__u8 reserved218[360];		/* 0x0218 */
>> +	__u64 pv_grregs[16];		/* 0x380 */
>> +	__u8 reserved400[512];
> 
> Maybe add a "/* 0x400 */" comment to be consisten with the other lines?

Sure

> 
>>  	struct kvm_s390_itdb itdb;	/* 0x0600 */
>>  	__u8 reserved700[2304];		/* 0x0700 */
>>  };
> 
>  Thomas
> 



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