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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-12 16:37:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-12 16:37:13 -0700 |
| commit | e18afa5bfa4a2f0e07b0864370485df701dacbc1 (patch) | |
| tree | ba2ad24758dccd2d34b7f5df4326c175c7beb7b0 /include/linux/compat.h | |
| parent | 85ed13e78dbedf9433115a62c85429922bc5035c (diff) | |
| parent | 80bdad3d7e3ec03f812471d9309f5f682e10f52b (diff) | |
Merge branch 'work.quota-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull compat quotactl cleanups from Al Viro:
"More Christoph's compat cleanups: quotactl(2)"
* 'work.quota-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
quota: simplify the quotactl compat handling
compat: add a compat_need_64bit_alignment_fixup() helper
compat: lift compat_s64 and compat_u64 to <asm-generic/compat.h>
Diffstat (limited to 'include/linux/compat.h')
| -rw-r--r-- | include/linux/compat.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index 59b8c8544ae6..34c48eb1e773 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -911,6 +911,15 @@ static inline bool in_compat_syscall(void) { return false; } #endif /* CONFIG_COMPAT */ /* + * Some legacy ABIs like the i386 one use less than natural alignment for 64-bit + * types, and will need special compat treatment for that. Most architectures + * don't need that special handling even for compat syscalls. + */ +#ifndef compat_need_64bit_alignment_fixup +#define compat_need_64bit_alignment_fixup() false +#endif + +/* * A pointer passed in from user mode. This should not * be used for syscall parameters, just declare them * as pointers because the syscall entry code will have |