[11u] RFR (XS) 8265537: x86 version string truncated after JDK-8249672 11u backport

Aleksey Shipilev shade at redhat.com
Mon Apr 26 09:58:41 UTC 2021


On 4/22/21 12:06 PM, Aleksey Shipilev wrote:
> On 4/20/21 7:23 PM, Aleksey Shipilev wrote:
>> 11u-specific regression:
>>      https://bugs.openjdk.java.net/browse/JDK-8265537
>>
>> See the details in the bug.
>>
>> 11u patch:
>>
>> diff -r 9846af5a0949 src/hotspot/cpu/x86/vm_version_x86.cpp
>> --- a/src/hotspot/cpu/x86/vm_version_x86.cpp    Mon Apr 19 12:47:46 2021 +0200
>> +++ b/src/hotspot/cpu/x86/vm_version_x86.cpp    Tue Apr 20 19:23:24 2021 +0200
>> @@ -743,11 +743,11 @@
>>         if (is_knights_family()) {
>>           _features &= ~CPU_VZEROUPPER;
>>         }
>>       }
>>
>> -  char buf[256];
>> +  char buf[512];
>>       jio_snprintf(buf, sizeof(buf),
>>                    "(%u cores per cpu, %u threads per core) family %d model %d stepping %d microcode 0x%x"
>>                    "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
>>                    cores_per_cpu(), threads_per_core(),
>>                    cpu_family(), _model, _stepping, os::cpu_microcode_revision(),
>>
>> Testing: compiler/intrinsics/sha tests (now pass); tier1
> 
> Goetz, (since you were the author of that 11u backport,) you are fine with this patch, right?

Ping? :)

-- 
Thanks,
-Aleksey



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