arm64/vdso: Handle faults on timens page

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If a task belongs to a time namespace then the VVAR page which contains
the system wide VDSO data is replaced with a namespace specific page
which has the same layout as the VVAR page.

Signed-off-by: Andrei Vagin <avagin@gmail.com>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Dmitry Safonov <dima@arista.com>
Link: https://lore.kernel.org/r/20200624083321.144975-5-avagin@gmail.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Andrei Vagin 2020-06-24 01:33:19 -07:00 • committed by Catalin Marinas

parent 3503d56cc7

commit ee3cda8e46

1 changed files with 52 additions and 4 deletions

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arch/arm64/kernel/vdso.c

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