kernel - Clean up direction flag on syscall entry
authorMatthew Dillon <dillon@apollo.backplane.com>
Fri, 17 May 2019 01:43:20 +0000 (18:43 -0700)
committerMatthew Dillon <dillon@apollo.backplane.com>
Fri, 17 May 2019 01:43:20 +0000 (18:43 -0700)
commitcea0e49dc0b2e5aea1b929d02f12d00df66528e2
treec1760f891662d21f57e4866afedb5e7f442ecba7
parent2f6148a64b67294c4060ecd913c89688d2406524
kernel - Clean up direction flag on syscall entry

* Make sure the direction flag is clear on syscall entry.  Don't
  trust userland.
sys/platform/pc64/x86_64/exception.S