21 Aug
2020
21 Aug
'20
6:51 p.m.
Quoting Joerg Roedel (2020-08-21 13:37:46)
From: Joerg Roedel jroedel@suse.de
The __apply_to_page_range() function is also used to change and/or allocate page-table pages in the vmalloc area of the address space. Make sure these changes get synchronized to other page-tables in the system by calling arch_sync_kernel_mappings() when necessary.
Tested-by: Chris Wilson chris@chris-wilson.co.uk #x86-32 Cc: stable@vger.kernel.org # v5.8+ Signed-off-by: Joerg Roedel jroedel@suse.de
I've doubled check that this patch by itself fixes our x86-32 vmapping issue. Thanks, -Chris