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authorH. Peter Anvin <hpa@zytor.com>2008-09-04 09:04:45 -0700
committerH. Peter Anvin <hpa@zytor.com>2008-09-04 09:04:45 -0700
commitfe47784ba5cbb6b713c013e046859946789b45e4 (patch)
tree6384958d55e29be0d2eb8ae78fa437c10636d8d6 /include/linux/capability.h
parent83b8e28b14d63db928cb39e5c5ed2a548246bd71 (diff)
parentaf2e1f276ff08f17192411ea3b71c13a758dfe12 (diff)
Merge branch 'x86/cpu' into x86/xsave
Conflicts: arch/x86/kernel/cpu/feature_names.c include/asm-x86/cpufeature.h
Diffstat (limited to 'include/linux/capability.h')
-rw-r--r--include/linux/capability.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 02673846d205..9d1fe30b6f6c 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -503,8 +503,19 @@ extern const kernel_cap_t __cap_init_eff_set;
kernel_cap_t cap_set_effective(const kernel_cap_t pE_new);
-int capable(int cap);
-int __capable(struct task_struct *t, int cap);
+/**
+ * has_capability - Determine if a task has a superior capability available
+ * @t: The task in question
+ * @cap: The capability to be tested for
+ *
+ * Return true if the specified task has the given superior capability
+ * currently in effect, false if not.
+ *
+ * Note that this does not set PF_SUPERPRIV on the task.
+ */
+#define has_capability(t, cap) (security_capable((t), (cap)) == 0)
+
+extern int capable(int cap);
#endif /* __KERNEL__ */