Re: [PATCH v3 6/8] mm/x86: arch_check_zapped_pud()

2024-07-31 Thread David Hildenbrand
On 15.07.24 21:21, Peter Xu wrote: Introduce arch_check_zapped_pud() to sanity check shadow stack on PUD zaps. It has the same logic of the PMD helper. One thing to mention is, it might be a good idea to use page_table_check in the future for trapping wrong setups of shadow stack pgtable entries

[PATCH v3 6/8] mm/x86: arch_check_zapped_pud()

2024-07-15 Thread Peter Xu
Introduce arch_check_zapped_pud() to sanity check shadow stack on PUD zaps. It has the same logic of the PMD helper. One thing to mention is, it might be a good idea to use page_table_check in the future for trapping wrong setups of shadow stack pgtable entries [1]. That is left for the future as