[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 10859f53e94f363799ddd2fe504e511585af6a32..4603032d56ef9f6801bea3ff36847ec75b0eb491 100644 (file)
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -501,7 +501,7 @@ lws_compare_and_swap:
        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 @@ cas_wouldblock:
                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 @@ cas_action:
 #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 @@ cas_action:
 #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