arm64: compat: Workaround Neoverse-N1 #1542419 for compat user-space

Browse source

Compat user-space is unable to perform ICIMVAU instructions from
user-space. Instead it uses a compat-syscall. Add the workaround for
Neoverse-N1 #1542419 to this code path.

Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

...

This commit is contained in:

James Morse 2019-10-17 18:43:00 +01:00 • committed by Catalin Marinas

parent ee9d90be9d

commit 222fc0c850

1 changed files with 11 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

11

arch/arm64/kernel/sys_compat.c

View file