| commit | 24e32251e80ef82309bd12e0faef83a8cfd20029 | [log] [tgz] |
|---|---|---|
| author | Rasha Eqbal <rashaeqbal@fuchsia.infra.roller.google.com> | Fri Feb 14 12:20:08 2025 -0800 |
| committer | Copybara-Service <copybara-worker@google.com> | Fri Feb 14 12:24:25 2025 -0800 |
| tree | e8b5a7fc00b9c8c484f6862a35de29c566707140 | |
| parent | edb4030c43987c150ccd59fcb7d6ee0a2e628c86 [diff] |
[roll] Roll fuchsia [kernel][vm] Do not suspend threads in kernel page fault If a thread is blocked on a page request from a page fault in kernel mode, let the page fault complete before processing a suspend signal. This can only happen in the usercopy paths (both with and without capture faults). We cannot safely resume from a suspend in this state without risking data loss, since we do not immediately return out to user mode, so hold off on the suspend altogether. Test: Added pager core tests that fail without this change. Original-Bug: 42084841 Run-All-Tests: true Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1202225 Original-Revision: 1b3a1e61740ac905f7221d3278891ba2c646461e GitOrigin-RevId: 86338734d74dcc7047bae28b49828dc122599d41 Change-Id: Ief40a82953d5400dcfbce3271b2260410c82cc13
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