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m68k: Document that access_ok is broken for !CONFIG_CPU_HAS_ADDRESS_SPACES

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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>
This commit is contained in:
Christoph Hellwig 2021-09-16 09:04:00 +02:00 committed by Geert Uytterhoeven
parent 0d20abde98
commit 1dc4027bc8
1 changed files with 4 additions and 0 deletions
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4
arch/m68k/include/asm/uaccess.h
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@ -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;
}