Re: [PATCH] KVM: s390: mark sie block as 512 byte aligned

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On 16.03.20 13:10, Claudio Imbrenda wrote:
> On Wed, 11 Mar 2020 09:33:04 +0100
> Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:
> 
>> The sie block must be aligned to 512 bytes. Mark it as such.
>>
>> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
>> ---
>>  arch/s390/include/asm/kvm_host.h | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/s390/include/asm/kvm_host.h
>> b/arch/s390/include/asm/kvm_host.h index 0ea82152d2f7..2d50f6c432e2
>> 100644 --- a/arch/s390/include/asm/kvm_host.h
>> +++ b/arch/s390/include/asm/kvm_host.h
>> @@ -344,7 +344,7 @@ struct kvm_s390_sie_block {
>>  	__u64	itdba;			/* 0x01e8 */
>>  	__u64   riccbd;			/* 0x01f0 */
>>  	__u64	gvrd;			/* 0x01f8 */
>> -} __attribute__((packed));
>> +} __packed __aligned(512);
>>  
>>  struct kvm_s390_itdb {
>>  	__u8	data[256];
> 
> I agree with the addition of aligned, but did you really have to remove
> packed? it makes me a little uncomfortable.

There is still "__packed".


-- 
Thanks,

David / dhildenb




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