| commit | c6ad9ba1c0d232a413677e0290a385007e3a398c | [log] [tgz] |
|---|---|---|
| author | Anirudh Mathukumilli <rudymathu@fuchsia.infra.roller.google.com> | Wed Mar 13 20:05:57 2024 +0000 |
| committer | Copybara-Service <copybara-worker@google.com> | Wed Mar 13 13:07:46 2024 -0700 |
| tree | 3bcdf1c8bf025118ba09fc2b50ef579a45cefdab | |
| parent | a591f38b17d5054fd50e8dcdca2caec4825e8960 [diff] |
[roll] Roll fuchsia [kernel][x86] Delay enabling interrupts in the page fault handler Moves the code that re-enables interrupts in the x86 page fault handler to after the value of the X86_PFR_RUN_FAULT_HANDLER_BIT has been checked. This is required to support running user copies that capture faults inside a non-blocking context (such as holding a spinlock). See the CQ results of https://fxrev.dev/c/fuchsia/+/1004052/9..10?checksPatchset=9 for what goes wrong when we enable interrupts before capturing faults. Original-Bug: 328674858 Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1007035 Original-Revision: 2b9de5a60ecdf45175ceba39b7457d5c2e982c9e GitOrigin-RevId: 302cef0b4127fa0063d4b774c358687943a2bdc0 Change-Id: Ie0077b12de90aee688d0d47b41f38cdc5d224637
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