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| /freebsd-11-stable/sys/arm64/arm64/ | ||
| H A D | swtch.S | diff 317147 Wed Apr 19 16:10:56 MDT 2017 andrew MFC 313772: Load the new sp_el0 with interrupts disabled in fork_trampoline. If an interrupt arrives in fork_trampoline after sp_el0 was written we may then switch to a new thread, enter userland so change this stack pointer, then return to this code with the wrong value. This fixes this case by moving the load of sp_el0 until after interrupts have been disabled. |
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