[v1,01/47] x86: mtrr: annotate mtrr_type_lookup() is only implemented on generic_mtrr_ops

Commit Message

Luis R. Rodriguez March 20, 2015, 11:17 p.m. UTC

From: "Luis R. Rodriguez" <[e-mail]>

There area few users of mtrr_type_lookup(), including PAT.
Note that PAT can be in theory enabled without MTRR fully
kicking in, such is the case with Xen.

Cc: Andy Lutomirski <[e-mail]>
Cc: Suresh Siddha <[e-mail]>
Cc: Venkatesh Pallipadi <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: Juergen Gross <[e-mail]>
Cc: Daniel Vetter <[e-mail]>
Cc: Dave Airlie <[e-mail]>
Cc: Antonino Daplas <[e-mail]>
Cc: Jean-Christophe Plagniol-Villard <[e-mail]>
Cc: Tomi Valkeinen <[e-mail]>
Cc: Dave Hansen <[e-mail]>
Cc: [e-mail]
Cc: Stefan Bader <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Cc: Roger Pau Monné <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Signed-off-by: Luis R. Rodriguez <[e-mail]>
---
 arch/x86/kernel/cpu/mtrr/generic.c | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 7d74f7b..09c82de 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -230,6 +230,8 @@  u8 mtrr_type_lookup(u64 start, u64 end)
 	int repeat;
 	u64 partial_end;
 
+	/* XXX: Currently only implemented on generic_mtrr_ops */
+
 	type = __mtrr_type_lookup(start, end, &partial_end, &repeat);
 
 	/*