Diffusion FreeBSD src repository - subversion rS352584

In case a translation fault on the kernel address space occurs from
rS352584
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Description

In case a translation fault on the kernel address space occurs from
within a critical section, we must perform a lock-free check on the
faulting address.

Reported by: andrew
Reviewed by: andrew, markj
X-MFC with: r350579
Differential Revision: https://reviews.freebsd.org/D21685

Details

Provenance

alc	Authored on

Reviewer

andrew

Differential Revision

D21685: Try translating the fault address with pmap unlocked.

Parents

rS352583: lockprof: use CPUFOREACH and drop always false lp_cpu NULL checks

Branches

Unknown

Tags

Unknown

Event Timeline

alc committed rS352584: In case a translation fault on the kernel address space occurs from.Sep 21 2019, 7:51 PM

alc added an edge: D21685: Try translating the fault address with pmap unlocked..

Changes (1)

Path

Size

head/

sys/

arm64/

pmap.c

rS352584

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head/sys/arm64/arm64/pmap.c