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| author |   Christoph Hellwig <hch@lst.de> | 2021-09-16 09:04:00 +0200 |
|---|---|---|
| committer |   Geert Uytterhoeven <geert@linux-m68k.org> | 2021-09-24 13:35:06 +0200 |
| commit | 1dc4027bc8b524ed03c4db391cd7910eb4ee19d2 (patch) | |
| tree | c1c7fe765cc11deacd137e32c20c3c508b32df27 /arch/m68k | |
| parent | m68k: Leave stack mangling to asm wrapper of sigreturn() (diff) | |
| download | linux-dev-1dc4027bc8b524ed03c4db391cd7910eb4ee19d2.tar.xz linux-dev-1dc4027bc8b524ed03c4db391cd7910eb4ee19d2.zip | |
m68k: Document that access_ok is broken for !CONFIG_CPU_HAS_ADDRESS_SPACES
Document that access_ok is completely broken for coldfire and friends at
the moment.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Michael Schmitz <schmitzmic@gmail.com>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Link: https://lore.kernel.org/r/20210916070405.52750-2-hch@lst.de
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/include/asm/uaccess.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/uaccess.h b/arch/m68k/include/asm/uaccess.h index f98208ccbbcd..610bfe8d64d5 100644 --- a/arch/m68k/include/asm/uaccess.h +++ b/arch/m68k/include/asm/uaccess.h @@ -16,6 +16,10 @@ static inline int access_ok(const void __user *addr, unsigned long size) { + /* + * XXX: for !CONFIG_CPU_HAS_ADDRESS_SPACES this really needs to check + * for TASK_SIZE! + */ return 1; } |