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| author |   Joerg Roedel <jroedel@suse.de> | 2021-12-02 16:32:24 +0100 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2021-12-06 09:38:48 +0100 |
| commit | f154f290855b070cc94dd44ad253c0ef8a9337bb (patch) | |
| tree | 804830bc075803ec0553bb866cf2612f1f504447 /scripts/gdb/linux/utils.py | |
| parent | x86/realmode: Add comment for Global bit usage in trampoline_pgd (diff) | |
| download | wireguard-linux-f154f290855b070cc94dd44ad253c0ef8a9337bb.tar.xz wireguard-linux-f154f290855b070cc94dd44ad253c0ef8a9337bb.zip | |
x86/mm/64: Flush global TLB on boot and AP bringup
The AP bringup code uses the trampoline_pgd page-table which
establishes global mappings in the user range of the address space.
Flush the global TLB entries after the indentity mappings are removed so
no stale entries remain in the TLB.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211202153226.22946-3-joro@8bytes.org
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions