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authorIngo Molnar <mingo@kernel.org>2020-04-13 10:44:39 +0300
committerIngo Molnar <mingo@kernel.org>2020-04-13 10:44:39 +0300
commit3b02a051d25d9600e9d403ad3043aed7de00160e (patch)
tree5b8f58b79328c04654bf5ab6286401057edeca8f /include/linux/tnum.h
parentf5d2313bd3c540be405c4977a63840cd6d0167b5 (diff)
parent8f3d9f354286745c751374f5f1fcafee6b3f3136 (diff)
downloadlinux-3b02a051d25d9600e9d403ad3043aed7de00160e.tar.xz
Merge tag 'v5.7-rc1' into locking/kcsan, to resolve conflicts and refresh
Resolve these conflicts: arch/x86/Kconfig arch/x86/kernel/Makefile Do a minor "evil merge" to move the KCSAN entry up a bit by a few lines in the Kconfig to reduce the probability of future conflicts. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/tnum.h')
-rw-r--r--include/linux/tnum.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/tnum.h b/include/linux/tnum.h
index ea627d1ab7e3..498dbcedb451 100644
--- a/include/linux/tnum.h
+++ b/include/linux/tnum.h
@@ -86,4 +86,16 @@ int tnum_strn(char *str, size_t size, struct tnum a);
/* Format a tnum as tristate binary expansion */
int tnum_sbin(char *str, size_t size, struct tnum a);
+/* Returns the 32-bit subreg */
+struct tnum tnum_subreg(struct tnum a);
+/* Returns the tnum with the lower 32-bit subreg cleared */
+struct tnum tnum_clear_subreg(struct tnum a);
+/* Returns the tnum with the lower 32-bit subreg set to value */
+struct tnum tnum_const_subreg(struct tnum a, u32 value);
+/* Returns true if 32-bit subreg @a is a known constant*/
+static inline bool tnum_subreg_is_const(struct tnum a)
+{
+ return !(tnum_subreg(a)).mask;
+}
+
#endif /* _LINUX_TNUM_H */