tree e3a219d55eb4fef70e4b9bddc629f9ab60bc44b3
parent da93b8d6ac32d4df6d36a1b0a117f9e323edff1e
author Joel Fernandes <joelaf@google.com> 1601064490 -0400
committer Joel Fernandes <joelaf@google.com> 1601064770 -0400

CHROMIUM: arch/x86: Prevent buffer flushing for trusted tasks

Core-scheduling allows us to know if tasks are trusted or not. Untrusted tasks
are tagged with ->core_cookie set. Leverage this to prevent unwanted flushing.

BUG=b:152605392
TEST=boot
Signed-off-by: Joel Fernandes <joelaf@google.com>
Change-Id: If3309edd42ed01c3cefcf5f23bdcce0ac44a3688