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freebsd-nq/sys/amd64
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Konstantin Belousov ea6020830c amd64: Add a knob to flush RSB on context switches if machine has SMEP. 
The flush is needed to prevent cross-process ret2spec, which is not handled
on kernel entry if IBPB is enabled but SMEP is present.
While there, add i386 RSB flush.

Reported by:	Anthony Steinhauser <asteinhauser@google.com>
Reviewed by:	markj, Anthony Steinhauser
Discussed with:	philip
admbugs:	961
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2020-05-20 22:00:31 +00:00
..
acpica
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amd64
amd64: Add a knob to flush RSB on context switches if machine has SMEP.
2020-05-20 22:00:31 +00:00
cloudabi32
Use uintptr_t instead of register_t * for the stack base.
2019-12-03 23:17:54 +00:00
cloudabi64
Use uintptr_t instead of register_t * for the stack base.
2019-12-03 23:17:54 +00:00
conf
Add queue(2) debug macros as build options
2020-04-12 18:04:20 +00:00
ia32
Make ps_strings in struct image_params into a pointer.
2020-04-15 20:21:30 +00:00
include
vmm(4): Add 12 user ABI compat after r349948
2020-05-20 17:27:54 +00:00
linux
Convert canary, execpathp, and pagesizes to pointers.
2020-04-16 21:53:17 +00:00
linux32
Convert canary, execpathp, and pagesizes to pointers.
2020-04-16 21:53:17 +00:00
pci
pci_cfgreg.c: Use io port config access for early boot time.
2019-04-09 18:07:17 +00:00
sgx
Fix a few places that free a page from an object without busy held. This is
2019-12-02 22:42:05 +00:00
vmm
vmm(4): Add 12 user ABI compat after r349948
2020-05-20 17:27:54 +00:00
Makefile
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