Re: [PATCH v7 1/4] arm64: kvm: route synchronous external abort exceptions to EL2

2017-10-20 Thread gengdongjiu
Hi james, Thanks for the mail and sorry for my late response. 2017-10-19 1:21 GMT+08:00, James Morse : > Hi Dongjiu Geng, > > On 17/10/17 15:14, Dongjiu Geng wrote: >> ARMv8.2 adds a new bit HCR_EL2.TEA which controls to >> route synchronous external aborts to EL2, and adds a >> trap control bi

Re: [PATCH v7 1/4] arm64: kvm: route synchronous external abort exceptions to EL2

2017-10-18 Thread James Morse
Hi Dongjiu Geng, On 17/10/17 15:14, Dongjiu Geng wrote: > ARMv8.2 adds a new bit HCR_EL2.TEA which controls to > route synchronous external aborts to EL2, and adds a > trap control bit HCR_EL2.TERR which controls to > trap all Non-secure EL1&0 error record accesses to EL2. The bulk of this patch

[PATCH v7 1/4] arm64: kvm: route synchronous external abort exceptions to EL2

2017-10-17 Thread Dongjiu Geng
ARMv8.2 adds a new bit HCR_EL2.TEA which controls to route synchronous external aborts to EL2, and adds a trap control bit HCR_EL2.TERR which controls to trap all Non-secure EL1&0 error record accesses to EL2. This patch enables the two bits for the guest OS. when an synchronous abort is generated