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MIPS: compat: Implement is_compat_task.

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This is a build fix required after "x86-64: seccomp: fix 32/64 syscall
hole" (commit 5b1017404a).  MIPS doesn't
have the issue that was fixed for x86-64 by that patch.

This also doesn't solve the N32 issue which is that N32 seccomp processes
will be treated as non-compat processes thus only have access to N64
syscalls.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ralf Baechle 2009-03-05 11:45:48 +01:00 committed by Linus Torvalds
parent 559595a985
commit 4302e5d53b
1 changed files with 7 additions and 0 deletions
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7
arch/mips/include/asm/compat.h
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@ -3,6 +3,8 @@
/*
* Architecture specific compatibility types
*/
#include <linux/seccomp.h>
#include <linux/thread_info.h>
#include <linux/types.h>
#include <asm/page.h>
#include <asm/ptrace.h>
@ -218,4 +220,9 @@ struct compat_shmid64_ds {
compat_ulong_t __unused2;
};
static inline int is_compat_task(void)
{
return test_thread_flag(TIF_32BIT);
}
#endif /* _ASM_COMPAT_H */