Re: [PATCH 1/4 v7] x86/ioremap: add a function ioremap_encrypted() to remap kdump old memory

Also cc maintainer and other reviewer. Thanks. 在 2018年09月26日 14:18, lijiang 写道: > 在 2018年09月26日 10:21, Baoquan He 写道: >> Hi Lianbo, >> >> On 09/07/18 at 04:18pm, Lianbo Jiang wrote: >>> When SME is enabled on AMD machine, the memory is encrypted in the first >>> kernel. In this case, SME also need

[PATCH 1/4 v7] x86/ioremap: add a function ioremap_encrypted() to remap kdump old memory

When SME is enabled on AMD machine, the memory is encrypted in the first kernel. In this case, SME also needs to be enabled in kdump kernel, and we have to remap the old memory with the memory encryption mask. Signed-off-by: Lianbo Jiang --- arch/x86/include/asm/io.h | 3 +++ arch/x86/mm/iorema