Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b5e8b733a18a1192666005f95f44e02440b057d4
Commit: b5e8b733a18a1192666005f95f44e02440b057d4
Parent: 2cbd42dbf8887c8742f8e6a286c7e5f4f5ddb56b
Author: Aurelien Jarno <[EMAIL PROTECTED]>
AuthorDate: Tue May 22 17:38:26 2007 +0200
Committer: Kyle McMartin <[EMAIL PROTECTED]>
CommitDate: Tue May 22 22:44:11 2007 -0400
[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 <[EMAIL PROTECTED]>
Signed-off-by: Kyle McMartin <[EMAIL PROTECTED]>
---
arch/parisc/kernel/syscall.S | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
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 @@ 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
-
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