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authorDavid S. Miller <davem@davemloft.net>2013-04-07 18:37:01 -0400
committerDavid S. Miller <davem@davemloft.net>2013-04-07 18:37:01 -0400
commitd978a6361ad13f1f9694fcb7b5852d253a544d92 (patch)
tree8e8a8c62286fab2c044c4b53563222c1b66d7cb0 /arch/arm/kernel/entry-common.S
parent8303e699f7089a1cd1421750fb33f289e5f3e1b9 (diff)
parentcb28ea3b13b86fb23448525f34720e659bda7aa8 (diff)
downloadtalos-op-linux-d978a6361ad13f1f9694fcb7b5852d253a544d92.tar.gz
talos-op-linux-d978a6361ad13f1f9694fcb7b5852d253a544d92.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/nfc/microread/mei.c net/netfilter/nfnetlink_queue_core.c Pull in 'net' to get Eric Biederman's AF_UNIX fix, upon which some cleanups are going to go on-top. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/kernel/entry-common.S')
-rw-r--r--arch/arm/kernel/entry-common.S12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 3248cde504ed..fefd7f971437 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -276,7 +276,13 @@ ENDPROC(ftrace_graph_caller_old)
*/
.macro mcount_enter
+/*
+ * This pad compensates for the push {lr} at the call site. Note that we are
+ * unable to unwind through a function which does not otherwise save its lr.
+ */
+ UNWIND(.pad #4)
stmdb sp!, {r0-r3, lr}
+ UNWIND(.save {r0-r3, lr})
.endm
.macro mcount_get_lr reg
@@ -289,6 +295,7 @@ ENDPROC(ftrace_graph_caller_old)
.endm
ENTRY(__gnu_mcount_nc)
+UNWIND(.fnstart)
#ifdef CONFIG_DYNAMIC_FTRACE
mov ip, lr
ldmia sp!, {lr}
@@ -296,17 +303,22 @@ ENTRY(__gnu_mcount_nc)
#else
__mcount
#endif
+UNWIND(.fnend)
ENDPROC(__gnu_mcount_nc)
#ifdef CONFIG_DYNAMIC_FTRACE
ENTRY(ftrace_caller)
+UNWIND(.fnstart)
__ftrace_caller
+UNWIND(.fnend)
ENDPROC(ftrace_caller)
#endif
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
ENTRY(ftrace_graph_caller)
+UNWIND(.fnstart)
__ftrace_graph_caller
+UNWIND(.fnend)
ENDPROC(ftrace_graph_caller)
#endif
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