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| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/skiboot/doc/release-notes/skiboot-5.10.4.rst | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/skiboot/doc/release-notes/skiboot-5.10.4.rst')
| -rw-r--r-- | roms/skiboot/doc/release-notes/skiboot-5.10.4.rst | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/roms/skiboot/doc/release-notes/skiboot-5.10.4.rst b/roms/skiboot/doc/release-notes/skiboot-5.10.4.rst new file mode 100644 index 000000000..a2c3b6b04 --- /dev/null +++ b/roms/skiboot/doc/release-notes/skiboot-5.10.4.rst @@ -0,0 +1,28 @@ +.. _skiboot-5.10.4: + +============== +skiboot-5.10.4 +============== + +skiboot 5.10.4 was released on Wednesday April 4th, 2018. It replaces +:ref:`skiboot-5.10.3` as the current stable release in the 5.10.x series. + +It is recommended that 5.10.3 be used instead of any previous 5.10.x version +due to the bug fixes and debugging enhancements in it. + +Over :ref:`skiboot-5.10.3`, we have one bug fix: + +- xive: disable store EOI support + + Hardware has limitations which would require to put a sync after each + store EOI to make sure the MMIO operations that change the ESB state + are ordered. This is a killer for performance and the PHBs do not + support the sync. So remove the store EOI for the moment, until + hardware is improved. + + Also, while we are at changing the XIVE source flags, let's fix the + settings for the PHB4s which should follow these rules : + + - SHIFT_BUG for DD10 + - STORE_EOI for DD20 and if enabled + - TRIGGER_PAGE for DDx0 and if not STORE_EOI |