The patch titled
softlockup-improve-debug-output fix
has been removed from the -mm tree. Its filename was
softlockup-improve-debug-output-fix.patch
This patch was dropped because it was folded into softlockup-improve-debug-output.patch
------------------------------------------------------
Subject: softlockup-improve-debug-output fix
From: Satyam Sharma <satyam@xxxxxxxxxxxxx>
On Sun, 2 Sep 2007, Satyam Sharma wrote:
>
> --- kernel/softlockup.c~fix 2007-09-02 04:23:49.000000000 +0530
> +++ kernel/softlockup.c 2007-09-02 04:34:45.000000000 +0530
^^^^^^^^^^
Ick, I botched a trivial patch, it doesn't even apply. Updated one below
(with indentation fix as added bonus :-)
[PATCH -mm] softlockup-improve-debug-output.patch fix (v2)
kernel/softlockup.c: In function 'softlockup_tick':
kernel/softlockup.c:125: warning: 'regs' is used uninitialized in this function
is a genuine bug (will cause an oops in all probability,
or cause wrong info to be printed, if we're lucky). So let's fix the
softlockup-improve-debug-output.patch to actually work as intended.
Signed-off-by: Satyam Sharma <satyam@xxxxxxxxxxxxx>
Acked-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/softlockup.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff -puN kernel/softlockup.c~softlockup-improve-debug-output-fix kernel/softlockup.c
--- a/kernel/softlockup.c~softlockup-improve-debug-output-fix
+++ a/kernel/softlockup.c
@@ -74,6 +74,7 @@ void softlockup_tick(void)
int this_cpu = smp_processor_id();
unsigned long touch_timestamp = per_cpu(touch_timestamp, this_cpu);
unsigned long print_timestamp;
+ struct pt_regs *regs = get_irq_regs();
unsigned long now;
if (touch_timestamp == 0) {
@@ -110,7 +111,10 @@ void softlockup_tick(void)
spin_lock(&print_lock);
printk(KERN_ERR "BUG: soft lockup detected on CPU#%d!\n", this_cpu);
- dump_stack();
+ if (regs)
+ show_regs(regs);
+ else
+ dump_stack();
spin_unlock(&print_lock);
}
_
Patches currently in -mm which might be from satyam@xxxxxxxxxxxxx are
origin.patch
softlockup-improve-debug-output.patch
softlockup-improve-debug-output-fix.patch
argv_split-allow-argv_split-to-handle-null-pointer-in-argcp-parameter-gracefully.patch
ufs-fix-sun-state-fix-mount-check-in-ufs_fill_super.patch
i2o-fix-defined-but-not-used-build-warnings.patch
i2o-fix-defined-but-not-used-build-warnings-fix.patch
make-the-pr_-family-of-macros-in-kernelh-complete.patch
unify-dma_bit_mask-definitions-v31.patch
redefine-unregister_hotcpu_notifier-hotplug_cpu-stubs.patch
x86-msr-driver-misc-cpuinit-annotations.patch
-
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