Hi, here is a small patch-set to sync unmappings in the vmalloc/ioremap areas between page-tables in the system. This is only needed x86-32 with !SHARED_KERNEL_PMD, which is the case on a PAE kernel with PTI enabled. On affected systems the missing sync causes old mappings to persist in some page-tables, causing data corruption and other undefined behavior. Please review. Thanks, Joerg Changes since v1: - Added correct Fixes-tags to all patches Joerg Roedel (3): x86/mm: Check for pfn instead of page in vmalloc_sync_one() x86/mm: Sync also unmappings in vmalloc_sync_one() mm/vmalloc: Sync unmappings in vunmap_page_range() arch/x86/mm/fault.c | 9 +++++---- mm/vmalloc.c | 2 ++ 2 files changed, 7 insertions(+), 4 deletions(-) -- 2.17.1
