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| author | Guo Ren (Alibaba DAMO Academy) <guoren@kernel.org> | 2026-01-25 00:52:12 -0500 |
|---|---|---|
| committer | Paul Walmsley <pjw@kernel.org> | 2026-05-01 21:18:58 -0600 |
| commit | db909bd7986c10da074917af3dae83a60fa65093 (patch) | |
| tree | a4b634888b436db11dcb840ecaf03f6dd7ddd371 /tools/lib/python/__init__.py | |
| parent | 6ebcbb53fc9bc30843054ed99fd60b8e542628f4 (diff) | |
| download | linux-db909bd7986c10da074917af3dae83a60fa65093.tar.gz linux-db909bd7986c10da074917af3dae83a60fa65093.zip | |
riscv: mm: Fixup no5lvl failure when vaddr is invalid
Unlike no4lvl, no5lvl still continues to detect satp, which
requires va=pa mapping. When pa=0x800000000000, no5lvl
would fail in Sv48 mode due to an illegal VA value of
0x800000000000.
So, prevent detecting the satp flow for no5lvl, when
vaddr is invalid. Add the is_vaddr_valid() function for
checking.
Fixes: 26e7aacb83df ("riscv: Allow to downgrade paging mode from the command line")
Cc: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Björn Töpel <bjorn@rivosinc.com>
Signed-off-by: Guo Ren (Alibaba DAMO Academy) <guoren@kernel.org>
Tested-by: Fangyu Yu <fangyu.yu@linux.alibaba.com>
Link: https://patch.msgid.link/20260125055212.433163-1-guoren@kernel.org
[pjw@kernel.org: cleaned up commit message]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Diffstat (limited to 'tools/lib/python/__init__.py')
0 files changed, 0 insertions, 0 deletions