git: 949f0f47a4e7 - main - vmm: Remove support for vm_rendezvous with a cpuid of -1.
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Date: Fri, 18 Nov 2022 18:26:43 UTC
The branch main has been updated by jhb:
URL: https://cgit.FreeBSD.org/src/commit/?id=949f0f47a4e774fea7222923440851c612a3f6fa
commit 949f0f47a4e774fea7222923440851c612a3f6fa
Author: John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-11-18 18:03:23 +0000
Commit: John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-11-18 18:25:37 +0000
vmm: Remove support for vm_rendezvous with a cpuid of -1.
This is not currently used.
Reviewed by: corvink, markj
Differential Revision: https://reviews.freebsd.org/D37164
---
sys/amd64/vmm/vmm.c | 21 ++++++---------------
1 file changed, 6 insertions(+), 15 deletions(-)
diff --git a/sys/amd64/vmm/vmm.c b/sys/amd64/vmm/vmm.c
index 5329d207c77b..cb1a5b62e4f4 100644
--- a/sys/amd64/vmm/vmm.c
+++ b/sys/amd64/vmm/vmm.c
@@ -1319,21 +1319,13 @@ vcpu_require_state_locked(struct vm *vm, int vcpuid, enum vcpu_state newstate)
panic("Error %d setting state to %d", error, newstate);
}
-#define RENDEZVOUS_CTR0(vm, vcpuid, fmt) \
- do { \
- if (vcpuid >= 0) \
- VCPU_CTR0(vm, vcpuid, fmt); \
- else \
- VM_CTR0(vm, fmt); \
- } while (0)
-
static int
vm_handle_rendezvous(struct vm *vm, int vcpuid)
{
struct thread *td;
int error;
- KASSERT(vcpuid == -1 || (vcpuid >= 0 && vcpuid < vm->maxcpus),
+ KASSERT(vcpuid >= 0 && vcpuid < vm->maxcpus,
("vm_handle_rendezvous: invalid vcpuid %d", vcpuid));
error = 0;
@@ -1343,8 +1335,7 @@ vm_handle_rendezvous(struct vm *vm, int vcpuid)
/* 'rendezvous_req_cpus' must be a subset of 'active_cpus' */
CPU_AND(&vm->rendezvous_req_cpus, &vm->rendezvous_req_cpus, &vm->active_cpus);
- if (vcpuid != -1 &&
- CPU_ISSET(vcpuid, &vm->rendezvous_req_cpus) &&
+ if (CPU_ISSET(vcpuid, &vm->rendezvous_req_cpus) &&
!CPU_ISSET(vcpuid, &vm->rendezvous_done_cpus)) {
VCPU_CTR0(vm, vcpuid, "Calling rendezvous func");
(*vm->rendezvous_func)(vm, vcpuid, vm->rendezvous_arg);
@@ -1357,7 +1348,7 @@ vm_handle_rendezvous(struct vm *vm, int vcpuid)
wakeup(&vm->rendezvous_func);
break;
}
- RENDEZVOUS_CTR0(vm, vcpuid, "Wait for rendezvous completion");
+ VCPU_CTR0(vm, vcpuid, "Wait for rendezvous completion");
mtx_sleep(&vm->rendezvous_func, &vm->rendezvous_mtx, 0,
"vmrndv", hz);
if (td_ast_pending(td, TDA_SUSPEND)) {
@@ -2582,7 +2573,7 @@ vm_smp_rendezvous(struct vm *vm, int vcpuid, cpuset_t dest,
* Enforce that this function is called without any locks
*/
WITNESS_WARN(WARN_PANIC, NULL, "vm_smp_rendezvous");
- KASSERT(vcpuid == -1 || (vcpuid >= 0 && vcpuid < vm->maxcpus),
+ KASSERT(vcpuid >= 0 && vcpuid < vm->maxcpus,
("vm_smp_rendezvous: invalid vcpuid %d", vcpuid));
restart:
@@ -2593,7 +2584,7 @@ restart:
* call the rendezvous handler in case this 'vcpuid' is one
* of the targets of the rendezvous.
*/
- RENDEZVOUS_CTR0(vm, vcpuid, "Rendezvous already in progress");
+ VCPU_CTR0(vm, vcpuid, "Rendezvous already in progress");
mtx_unlock(&vm->rendezvous_mtx);
error = vm_handle_rendezvous(vm, vcpuid);
if (error != 0)
@@ -2603,7 +2594,7 @@ restart:
KASSERT(vm->rendezvous_func == NULL, ("vm_smp_rendezvous: previous "
"rendezvous is still in progress"));
- RENDEZVOUS_CTR0(vm, vcpuid, "Initiating rendezvous");
+ VCPU_CTR0(vm, vcpuid, "Initiating rendezvous");
vm->rendezvous_req_cpus = dest;
CPU_ZERO(&vm->rendezvous_done_cpus);
vm->rendezvous_arg = arg;