Re: [PATCH 4/4 v8] kdump/vmcore: support encrypted old memory with SME enabled

2018-10-01 Thread kbuild test robot
Hi Lianbo, Thank you for the patch! Yet something to improve: [auto build test ERROR on sof-driver-fuweitax/master] [also build test ERROR on v4.19-rc5 next-20180928] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

Re: [PATCH 4/4 v8] kdump/vmcore: support encrypted old memory with SME enabled

2018-09-29 Thread lijiang
在 2018年09月30日 02:25, kbuild test robot 写道: > Hi Lianbo, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on sof-driver-fuweitax/master] > [also build test ERROR on v4.19-rc5 next-20180928] > [if your patch is applied to the wrong git tree, please drop us a note

[PATCH 4/4 v8] kdump/vmcore: support encrypted old memory with SME enabled

2018-09-29 Thread Lianbo Jiang
In kdump kernel, the old memory needs to be dumped into vmcore file. If SME is enabled in the first kernel, the old memory has to be remapped with the memory encryption mask, which will be automatically decrypted when read from DRAM. For SME kdump, there are two cases that doesn't support: