Re: [PATCH 6/6] s390: scrub registers on kernel entry and KVM exit

在 2018/1/19 15:57, Christian Borntraeger 写道: On 01/19/2018 07:29 AM, QingFeng Hao wrote: 在 2018/1/17 17:48, Martin Schwidefsky 写道: Clear all user space registers on entry to the kernel and all KVM guest registers on KVM guest exit if the register does not contain either a parameter or a res

Re: [PATCH 6/6] s390: scrub registers on kernel entry and KVM exit

On 01/19/2018 07:29 AM, QingFeng Hao wrote: > > > 在 2018/1/17 17:48, Martin Schwidefsky 写道: >> Clear all user space registers on entry to the kernel and all KVM guest >> registers on KVM guest exit if the register does not contain either a >> parameter or a result value. > I am not sure if I un

Re: [PATCH 6/6] s390: scrub registers on kernel entry and KVM exit

在 2018/1/17 17:48, Martin Schwidefsky 写道: Clear all user space registers on entry to the kernel and all KVM guest registers on KVM guest exit if the register does not contain either a parameter or a result value. I am not sure if I understand this but it will be safer? And can we abstract the

[PATCH 6/6] s390: scrub registers on kernel entry and KVM exit

Clear all user space registers on entry to the kernel and all KVM guest registers on KVM guest exit if the register does not contain either a parameter or a result value. Suggested-by: Christian Borntraeger Reviewed-by: Christian Borntraeger Signed-off-by: Martin Schwidefsky --- arch/s390/kern