On Tue, 17 Jun 2025 08:39:49 GMT, Anton Artemov <d...@openjdk.org> wrote:

> This PR contains changes for the 1st phase of the `LockingMode` flag 
> obsoletion. 
> 
> The work is done by @fbredber, I have taken it over and am finishing it while 
> he's on vacation. 
> 
> In the 1st phase one keeps the `LockingMode` variable in all places, but 
> makes it non-settable from the command line. All the C1 and C2 code related 
> to legacy locking will still be in place (but as dead code) and removed later 
> (phase 2).
> 
> Lightweight locking is the default locking from now on.
> 
> Tested in tiers 1 - 7.

Marked as reviewed by lmesnik (Reviewer).

Sorry, I mistakenly approved the fix instead fo request changes. Please find my 
change requests in previous comments.

test/hotspot/jtreg/gtest/LockStackGtests.java line 26:

> 24: 
> 25: /* @test
> 26:  * @summary Run LockStack gtests with LockingMode=2

All gtests are executed with default vm flags in GTestWrapper.java so this 
while test should be just removed.

test/hotspot/jtreg/runtime/Monitor/ConcurrentDeflation.java line 37:

> 35:  * @bug 8318757
> 36:  * @summary Test concurrent monitor deflation by MonitorDeflationThread 
> and thread dumping
> 37:  * @library /test/lib /

The '/' shouldn't be required for whitebox. Could you please remove it.

-------------

PR Review: https://git.openjdk.org/jdk/pull/25847#pullrequestreview-2950786910
Changes requested by lmesnik (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25847#pullrequestreview-2950827379
PR Review Comment: https://git.openjdk.org/jdk/pull/25847#discussion_r2162077784
PR Review Comment: https://git.openjdk.org/jdk/pull/25847#discussion_r2162055605

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