[PARISC] Disable LWS debugging
The LWS debugging code on parisc is wrongly enabled due to a bug in the
use of the preprocessor directives. This debugging code is not thread
safe and causes problems with a recent glibc on SMP kernels.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 10859f5..4603032 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -501,7 +501,7 @@
shlw %r20, 4, %r20
add %r20, %r28, %r20
-# ifdef ENABLE_LWS_DEBUG
+# if ENABLE_LWS_DEBUG
/*
DEBUG, check for deadlock!
If the thread register values are the same
@@ -550,7 +550,7 @@
perspective
*/
cas_action:
-#if defined CONFIG_SMP && defined ENABLE_LWS_DEBUG
+#if defined CONFIG_SMP && ENABLE_LWS_DEBUG
/* DEBUG */
mfctl %cr27, %r1
stw %r1, 4(%sr2,%r20)
@@ -562,7 +562,7 @@
#ifdef CONFIG_SMP
/* Free lock */
stw %r20, 0(%sr2,%r20)
-# ifdef ENABLE_LWS_DEBUG
+# if ENABLE_LWS_DEBUG
/* Clear thread register indicator */
stw %r0, 4(%sr2,%r20)
# endif
@@ -576,7 +576,7 @@
#ifdef CONFIG_SMP
/* Free lock */
stw %r20, 0(%sr2,%r20)
-# ifdef ENABLE_LWS_DEBUG
+# if ENABLE_LWS_DEBUG
stw %r0, 4(%sr2,%r20)
# endif
#endif