Re: [PATCH 1/2] x86/mm: Do not zap PMD entry mapping unaccepted memory table during kdump.

2024-02-20 Thread Kalra, Ashish
Hi Kirill, On 2/20/2024 6:42 AM, Kirill A. Shutemov wrote: On Tue, Feb 20, 2024 at 01:18:29AM +, Ashish Kalra wrote: From: Ashish Kalra During crashkernel boot only pre-allocated crash memory is presented as E820_TYPE_RAM. This can cause PMD entry mapping unaccepted memory table to be

Re: [PATCH 1/2] x86/mm: Do not zap PMD entry mapping unaccepted memory table during kdump.

2024-02-20 Thread Kirill A. Shutemov
On Tue, Feb 20, 2024 at 01:18:29AM +, Ashish Kalra wrote: > From: Ashish Kalra > > During crashkernel boot only pre-allocated crash memory is presented as > E820_TYPE_RAM. This can cause PMD entry mapping unaccepted memory table > to be zapped during phys_pmd_init() as SNP/TDX guest use

[PATCH 1/2] x86/mm: Do not zap PMD entry mapping unaccepted memory table during kdump.

2024-02-19 Thread Ashish Kalra
From: Ashish Kalra During crashkernel boot only pre-allocated crash memory is presented as E820_TYPE_RAM. This can cause PMD entry mapping unaccepted memory table to be zapped during phys_pmd_init() as SNP/TDX guest use E820_TYPE_ACPI to store the unaccepted memory table and pass it between the