diff options
| author | Will Deacon <will.deacon@arm.com> | 2017-08-10 13:19:09 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2018-01-06 11:09:28 +0100 |
| commit | 76546093d4300ed5ba9a0415731e23d13c01a0c8 (patch) | |
| tree | a61f2fe6b849890add57ce2a39976d587c6a1f25 /include/linux/debugobjects.h | |
| parent | 0d78166ea4cb477660d5e4c3582fd3c1f2470a6c (diff) | |
FROMLIST: arm64: mm: Move ASID from TTBR0 to TTBR1
In preparation for mapping kernelspace and userspace with different
ASIDs, move the ASID to TTBR1 and update switch_mm to context-switch
TTBR0 via an invalid mapping (the zero page).
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Laura Abbott <labbott@redhat.com>
Tested-by: Shanker Donthineni <shankerd@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
(cherry picked from git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
commit 7655abb953860485940d4de74fb45a8192149bb6)
Change-Id: Id8a18e16dfab5c8b7bc31174b14100142a6af3b0
[ghackmann@google.com: adjust context]
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'include/linux/debugobjects.h')
0 files changed, 0 insertions, 0 deletions