diff options
| author | Will Deacon <will.deacon@arm.com> | 2017-08-10 14:13:33 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2018-01-06 11:09:28 +0100 |
| commit | 47b558b4299178ad11a3aea318c6246657abac35 (patch) | |
| tree | dcc99dbf2468409d2903bad88a1b46c57e261680 /tools/perf/scripts/python | |
| parent | 9497136713f61e65b91329750cc1c013616ccf7f (diff) | |
FROMLIST: arm64: mm: Invalidate both kernel and user ASIDs when performing TLBI
Since an mm has both a kernel and a user ASID, we need to ensure that
broadcast TLB maintenance targets both address spaces so that things
like CoW continue to work with the uaccess primitives in the kernel.
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 9b0de864b5bc298ea53005ad812f3386f81aee9c)
Change-Id: I2369f242a6461795349568cc68ae6324244e6709
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions