diff options
Diffstat (limited to 'sys/amd64/amd64/machdep.c')
| -rw-r--r-- | sys/amd64/amd64/machdep.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/amd64/amd64/machdep.c b/sys/amd64/amd64/machdep.c index 0662e944691b..31625ca09e03 100644 --- a/sys/amd64/amd64/machdep.c +++ b/sys/amd64/amd64/machdep.c @@ -1210,6 +1210,9 @@ hammer_time(u_int64_t modulep, u_int64_t physfree) /* doublefault stack space, runs on ist1 */ common_tss[0].tss_ist1 = (long)&dblfault_stack[sizeof(dblfault_stack)]; + /* Set the IO permission bitmap (empty due to tss seg limit) */ + common_tss[0].tss_iobase = sizeof(struct amd64tss); + gsel_tss = GSEL(GPROC0_SEL, SEL_KPL); ltr(gsel_tss); |