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author | Stewart Smith <stewart@linux.ibm.com> | 2018-04-04 18:57:49 +1000 |
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committer | Stewart Smith <stewart@linux.ibm.com> | 2018-04-04 18:57:49 +1000 |
commit | 604f758b2cbf6629bb2ef3b0e0637ffd7dde472b (patch) | |
tree | c7eb3121871151d33e1ca3f25326956cc6ba94b2 | |
parent | b3486c9f95ee164eb1965b545dfb155537a1fb51 (diff) | |
download | skiboot-604f758b2cbf6629bb2ef3b0e0637ffd7dde472b.zip skiboot-604f758b2cbf6629bb2ef3b0e0637ffd7dde472b.tar.gz skiboot-604f758b2cbf6629bb2ef3b0e0637ffd7dde472b.tar.bz2 |
skiboot 5.10.4 release notesv5.10.4
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
-rw-r--r-- | doc/release-notes/skiboot-5.10.4.rst | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/doc/release-notes/skiboot-5.10.4.rst b/doc/release-notes/skiboot-5.10.4.rst new file mode 100644 index 0000000..a2c3b6b --- /dev/null +++ b/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 |