RFR[8u] JDK-8206183: Possible construct EMPTY_STACK and allocation stack, etc. on first use.

[Leslie Zhai]

Hi Zhengyu,

$ hg log | head
changeset:   8722:16b9bbfaa450
tag:         tip
user:        phh
date:        Fri Sep 14 07:58:22 2018 -0700
summary:     8209863: Add a test to verify that -XX:+EnableTracing works

changeset:   8721:80ee2541504e
user:        phh
date:        Thu Aug 23 22:56:32 2018 +0000
summary:     8145788: JVM crashes with -XX:+EnableTracing

$ patch -Np1 -i /data/project/xiangzhai/jdk8u-dev/JDK-8205965-8u.patch

patching file src/share/vm/services/mallocSiteTable.hpp
patching file src/share/vm/services/memTracker.hpp
patching file src/share/vm/services/virtualMemoryTracker.hpp
patching file src/share/vm/utilities/nativeCallStack.cpp
patching file src/share/vm/utilities/nativeCallStack.hpp

$ patch -Np1 -i /data/project/xiangzhai/jdk8u-dev/JDK-8206183-8u.patch

patching file src/share/vm/services/mallocSiteTable.cpp
patching file src/share/vm/services/mallocSiteTable.hpp
patching file src/share/vm/services/memTracker.cpp
patching file src/share/vm/utilities/nativeCallStack.cpp
patching file src/share/vm/utilities/nativeCallStack.hpp

----- 8< -------- 8< -------- 8< -------- 8< -------- 8< -------- 8< ---

It seems works for me: JDK-8206183-8u.patch could be applied on top of 
JDK-8205965-8u.patch

Please point out my fault, thanks a lot!


在 2018年09月18日 21:02, Zhengyu Gu 写道:
> Hi Leslie,
>
> This patch could not be applied cleanly on top of JDK-8205965, looks 
> like you bypassed JDK-8205965 for this patch?
>
> We want backports to diverge from original patches as little as 
> possible, that include the order of related patches.
>
> Thanks,
>
> -Zhengyu
>
> On 09/17/2018 10:57 PM, Leslie Zhai wrote:
>> Hi Zhengyu,
>>
>> I would like to backport the fix for:
>>
>> https://bugs.openjdk.java.net/browse/JDK-8206183
>>
>> To OpenJDK 8 updates dev:
>>
>> http://hg.openjdk.java.net/jdk8u/jdk8u-dev
>>
>> The fix is mostly the same as the version that was committed in 12.
>>
>> Please generate webrev for me,  thank you very much!
>>
>> PS: I will run jtreg after compiled with LLVM 8-dev and GCC 9-dev for 
>> X86 later.
>>
>> Thanks,
>>
>> Leslie Zhai
>>

-- 
Regards,
Leslie Zhai