riscv: Fix set_direct_map_default_noflush() to reset _PAGE_EXEC

Browse source

When resetting the linear mapping permissions, we must make sure that we
clear the X bit so that do not end up with WX mappings (since we set
PAGE_KERNEL).

Fixes: 395a21ff85 ("riscv: add ARCH_HAS_SET_DIRECT_MAP support")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231213134027.155327-3-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

...

This commit is contained in:

Alexandre Ghiti 2023-12-13 14:40:27 +01:00 • committed by Palmer Dabbelt

parent 749b94b080

commit b8b2711336

No known key found for this signature in database

GPG key ID: 2E1319F35FBB1889

1 changed files with 1 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

arch/riscv/mm/pageattr.c

View file