Re: [RFCv2 27/37] KVM: s390: protvirt: Only sync fmt4 registers

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 04.02.20 18:15, Cornelia Huck wrote:
> On Mon,  3 Feb 2020 08:19:47 -0500
> Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:
> 
>> From: Janosch Frank <frankja@xxxxxxxxxxxxx>
>>
>> A lot of the registers are controlled by the Ultravisor and never
>> visible to KVM. Also some registers are overlayed, like gbea is with
>> sidad, which might leak data to userspace.
>>
>> Hence we sync a minimal set of registers for both SIE formats and then
>> check and sync format 2 registers if necessary.
>>
>> Also we disable set/get one reg for the same reason. It's an old
>> interface anyway.
> 
> Didn't you already do that in the previous patch?

Yes, a leftover from my patch splitting.
Fixed. 

> 
>>
>> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
>> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
>> [Fixes and patch splitting]
>> ---
>>  arch/s390/kvm/kvm-s390.c | 116 ++++++++++++++++++++++++---------------
>>  1 file changed, 72 insertions(+), 44 deletions(-)
> 




[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux