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| author | Will Deacon <will.deacon@arm.com> | 2017-01-12 15:04:29 +0000 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-01-12 15:04:29 +0000 |
| commit | 42d1a731ffee44b16c06df371ffdbb14135c11e3 (patch) | |
| tree | 8d78d86e34dfd7ec44377df098371f322c463152 /mm/usercopy.c | |
| parent | 4aa8a472c33f4024381ade56bef008a9c566366a (diff) | |
| parent | 1a08e3d9e0ac4577ba89dbdb38f593fe050f88fc (diff) | |
Merge branch 'aarch64/for-next/debug-virtual' into aarch64/for-next/core
Merge core DEBUG_VIRTUAL changes from Laura Abbott. Later arm and arm64
support depends on these.
* aarch64/for-next/debug-virtual:
drivers: firmware: psci: Use __pa_symbol for kernel symbol
mm/usercopy: Switch to using lm_alias
mm/kasan: Switch to using __pa_symbol and lm_alias
kexec: Switch to __pa_symbol
mm: Introduce lm_alias
mm/cma: Cleanup highmem check
lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL
Diffstat (limited to 'mm/usercopy.c')
| -rw-r--r-- | mm/usercopy.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/usercopy.c b/mm/usercopy.c index 3c8da0af9695..8345299e3e3b 100644 --- a/mm/usercopy.c +++ b/mm/usercopy.c @@ -108,13 +108,13 @@ static inline const char *check_kernel_text_object(const void *ptr, * __pa() is not just the reverse of __va(). This can be detected * and checked: */ - textlow_linear = (unsigned long)__va(__pa(textlow)); + textlow_linear = (unsigned long)lm_alias(textlow); /* No different mapping: we're done. */ if (textlow_linear == textlow) return NULL; /* Check the secondary mapping... */ - texthigh_linear = (unsigned long)__va(__pa(texthigh)); + texthigh_linear = (unsigned long)lm_alias(texthigh); if (overlaps(ptr, n, textlow_linear, texthigh_linear)) return "<linear kernel text>"; |