diff options
| author | Aurelien Jarno <aurelien@aurel32.net> | 2007-05-22 17:38:26 +0200 |
|---|---|---|
| committer | Kyle McMartin <kyle@athena.road.mcmartin.ca> | 2007-05-22 22:44:11 -0400 |
| commit | b5e8b733a18a1192666005f95f44e02440b057d4 (patch) | |
| tree | 3d1433f88e51860915423fd1f23fb9251e6c8747 /arch/parisc/kernel | |
| parent | 2cbd42dbf8887c8742f8e6a286c7e5f4f5ddb56b (diff) | |
[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>
Diffstat (limited to 'arch/parisc/kernel')
| -rw-r--r-- | 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 10859f53e94..4603032d56e 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 |