Page MenuHomeFreeBSD
Files F153368372

D56507.diff
No OneTemporary
Actions

D56507.diff
View Options

diff --git a/sys/kern/kern_membarrier.c b/sys/kern/kern_membarrier.c
--- a/sys/kern/kern_membarrier.c
+++ b/sys/kern/kern_membarrier.c
@@ -120,7 +120,7 @@
struct thread *td1;
cpuset_t cs;
uint64_t *swt;
- int c, error;
+ int c, error, f;
bool first;
if (flags != 0 || (cmd & ~MEMBARRIER_SUPPORTED_CMDS) != 0)
@@ -133,6 +133,7 @@
p = td->td_proc;
error = 0;
+ f = atomic_load_int(&td->td_proc->p_flag2);
switch (cmd) {
case MEMBARRIER_CMD_GLOBAL:
@@ -155,7 +156,7 @@
break;
case MEMBARRIER_CMD_GLOBAL_EXPEDITED:
- if ((td->td_proc->p_flag2 & P2_MEMBAR_GLOBE) == 0) {
+ if ((f & P2_MEMBAR_GLOBE) == 0) {
error = EPERM;
} else {
CPU_ZERO(&cs);
@@ -171,7 +172,7 @@
break;
case MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED:
- if ((p->p_flag2 & P2_MEMBAR_GLOBE) == 0) {
+ if ((f & P2_MEMBAR_GLOBE) == 0) {
PROC_LOCK(p);
p->p_flag2 |= P2_MEMBAR_GLOBE;
PROC_UNLOCK(p);
@@ -179,7 +180,7 @@
break;
case MEMBARRIER_CMD_PRIVATE_EXPEDITED:
- if ((td->td_proc->p_flag2 & P2_MEMBAR_PRIVE) == 0) {
+ if ((f & P2_MEMBAR_PRIVE) == 0) {
error = EPERM;
} else {
pmap_active_cpus(vmspace_pmap(p->p_vmspace), &cs);
@@ -188,7 +189,7 @@
break;
case MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED:
- if ((p->p_flag2 & P2_MEMBAR_PRIVE) == 0) {
+ if ((f & P2_MEMBAR_PRIVE) == 0) {
PROC_LOCK(p);
p->p_flag2 |= P2_MEMBAR_PRIVE;
PROC_UNLOCK(p);
@@ -196,7 +197,7 @@
break;
case MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE:
- if ((td->td_proc->p_flag2 & P2_MEMBAR_PRIVE_SYNCORE) == 0) {
+ if ((f & P2_MEMBAR_PRIVE_SYNCORE) == 0) {
error = EPERM;
} else {
/*

File Metadata

Mime Type
text/plain
Expires
Tue, Apr 21, 6:24 PM (4 h, 59 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
31923768
Default Alt Text
D56507.diff (1 KB)

Event Timeline