#15236: [x86_64] Add LFENCE after SWAPGS
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Reporter: waddlesplash | Owner: waddlesplash
Type: bug | Status: assigned
Priority: normal | Milestone: Unscheduled
Component: System/Kernel | Version: R1/Development
Keywords: | Blocked By:
Blocking: | Has a Patch: 0
Platform: x86-64 |
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FreeBSD commit:
https://github.com/freebsd/freebsd/commit/f4038696064b8626020cb176ebd564395b833795
This is to patch yet another CPU vulerability: https://arstechnica.com
/information-technology/2019/08/silent-windows-update-patched-side-
channel-that-leaked-data-from-intel-cpus/
This looks like the simplest Intel mitigation yet, so there's no reason we
can't apply it.
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Ticket URL: <https://dev.haiku-os.org/ticket/15236>
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