InnerPointerToCodeCache::GetCacheEntry() made deterministic in predictable mode.

InnerPointerToCodeCache::GetCacheEntry() made deterministic in predictable mode.

The hash calculation was dependent on upper part of |inner_pointer| and caused non-deterministic cache miss events which in turn caused non-deterministic progress of pages sweeping (see GcSafeFindCodeForInnerPointer()).

Committed: https://crrev.com/07c52763bb207b3dee5bb9f7aea201a1c51634d2
Cr-Commit-Position: refs/heads/master@{#33246}

[Igor Sheludko, 2016-01-12 14:57:42]

Patchset #1 (id:1) has been deleted

[Igor Sheludko, 2016-01-12 14:58:47]

ishell@chromium.org changed reviewers:
+ jkummerow@chromium.org

[Igor Sheludko, 2016-01-12 14:58:47]

PTAL

[Igor Sheludko, 2016-01-12 15:50:52]

The CQ bit was checked by ishell@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-01-12 15:51:02]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1582573002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1582573002/20001

[commit-bot: I haz the power, 2016-01-12 16:26:44]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-01-12 16:26:45]

Dry run: This issue passed the CQ dry run.

[Jakob Kummerow, 2016-01-12 17:08:41]

lgtm

[Igor Sheludko, 2016-01-12 17:09:09]

The CQ bit was checked by ishell@chromium.org

[commit-bot: I haz the power, 2016-01-12 17:09:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1582573002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1582573002/20001

[commit-bot: I haz the power, 2016-01-12 18:09:56]

Committed patchset #1 (id:20001)

[commit-bot: I haz the power, 2016-01-12 18:10:23]

Description was changed from

==========
InnerPointerToCodeCache::GetCacheEntry() made deterministic in predictable mode.

The hash calculation was dependent on upper part of |inner_pointer| and caused
non-deterministic cache miss events which in turn caused non-deterministic
progress of pages sweeping (see GcSafeFindCodeForInnerPointer()).
==========

to

==========
InnerPointerToCodeCache::GetCacheEntry() made deterministic in predictable mode.

The hash calculation was dependent on upper part of |inner_pointer| and caused
non-deterministic cache miss events which in turn caused non-deterministic
progress of pages sweeping (see GcSafeFindCodeForInnerPointer()).

Committed: https://crrev.com/07c52763bb207b3dee5bb9f7aea201a1c51634d2
Cr-Commit-Position: refs/heads/master@{#33246}
==========

[commit-bot: I haz the power, 2016-01-12 18:10:24]

Patchset 1 (id:??) landed as
https://crrev.com/07c52763bb207b3dee5bb9f7aea201a1c51634d2
Cr-Commit-Position: refs/heads/master@{#33246}