Re: [PATCH v6 30/34] x86/mm, kexec: Allow kexec to be used with SME

2017-06-15 Thread Tom Lendacky
On 6/15/2017 5:03 AM, Borislav Petkov wrote: On Wed, Jun 07, 2017 at 02:18:27PM -0500, Tom Lendacky wrote: Provide support so that kexec can be used to boot a kernel when SME is enabled. Support is needed to allocate pages for kexec without encryption. This is needed in order to be able to reb

Re: [PATCH v6 30/34] x86/mm, kexec: Allow kexec to be used with SME

2017-06-15 Thread Borislav Petkov
On Wed, Jun 07, 2017 at 02:18:27PM -0500, Tom Lendacky wrote: > Provide support so that kexec can be used to boot a kernel when SME is > enabled. > > Support is needed to allocate pages for kexec without encryption. This > is needed in order to be able to reboot in the kernel in the same manner >

[PATCH v6 30/34] x86/mm, kexec: Allow kexec to be used with SME

2017-06-07 Thread Tom Lendacky
Provide support so that kexec can be used to boot a kernel when SME is enabled. Support is needed to allocate pages for kexec without encryption. This is needed in order to be able to reboot in the kernel in the same manner as originally booted. Additionally, when shutting down all of the CPUs w