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SubjectRe: [2.6.25-rc1] Strange regression with CONFIG_HZ_300=y
Eric Piel wrote:
>>
>> The laptop is a Vaio VGN-FZ240E, core 2 duo T7250 @ 2.0 GHz and the
>> kernel is x86_64.
>
> Hi, it's great you found out the culprit commit because I was really
> wondering where this bug was coming from...
> As a data point, my machine has a core 2 duo @ 1.2GHz and x86_64 arch.
> Do you also have the tickless option activated? (it could play a role)
>

I believe this patch should fix the problem. Can you please verify?

Thanks,

-hpa
diff --git a/kernel/timeconst.pl b/kernel/timeconst.pl
index 62b1287..4146803 100644
--- a/kernel/timeconst.pl
+++ b/kernel/timeconst.pl
@@ -339,7 +339,7 @@ sub output($@)
print "\n";

foreach $pfx ('HZ_TO_MSEC','MSEC_TO_HZ',
- 'USEC_TO_HZ','HZ_TO_USEC') {
+ 'HZ_TO_USEC','USEC_TO_HZ') {
foreach $bit (32, 64) {
foreach $suf ('MUL', 'ADJ', 'SHR') {
printf "#define %-23s %s\n",
\
 
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