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| author | Dmitry Safonov <dima@arista.com> | 2019-11-12 04:27:15 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-01-14 14:20:59 +0300 |
| commit | 70ddf65184ec1e8989322f35193e4fde7377f0cc (patch) | |
| tree | 57c0c780122cece61b02950fe7c2ee6abd5457f1 /block/genhd.c | |
| parent | e6b28ec65b6d433624a2c290073bc356c4fce914 (diff) | |
| download | linux-70ddf65184ec1e8989322f35193e4fde7377f0cc.tar.xz | |
x86/vdso: Zap vvar pages when switching to a time namespace
The VVAR page layout depends on whether a task belongs to the root or
non-root time namespace. Whenever a task changes its namespace, the VVAR
page tables are cleared and then they will be re-faulted with a
corresponding layout.
Co-developed-by: Andrei Vagin <avagin@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20191112012724.250792-27-dima@arista.com
Diffstat (limited to 'block/genhd.c')
0 files changed, 0 insertions, 0 deletions