diff mbox series

[v1,4/4] examples/power: increase MAX_CPUS to 256

Message ID 20181122170220.55482-5-david.hunt@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series [v1,1/4] examples/power: change 64-bit masks to arrays | expand

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

David Hunt Nov. 22, 2018, 5:02 p.m. UTC
Increase the number of addressable cores from 64 to 256. Also remove the
warning that incresing this number beyond 64 will cause problems (because
of the previous use of uint64_t masks). Now this number can be increased
significantly without causing problems.

Signed-off-by: David Hunt <david.hunt@intel.com>
---
 examples/vm_power_manager/channel_manager.h | 8 ++------
 examples/vm_power_manager/power_manager.h   | 2 +-
 2 files changed, 3 insertions(+), 7 deletions(-)

Comments

Burakov, Anatoly Dec. 10, 2018, 12:31 p.m. UTC | #1
On 22-Nov-18 5:02 PM, David Hunt wrote:
> Increase the number of addressable cores from 64 to 256. Also remove the
> warning that incresing this number beyond 64 will cause problems (because
> of the previous use of uint64_t masks). Now this number can be increased
> significantly without causing problems.
> 
> Signed-off-by: David Hunt <david.hunt@intel.com>
> ---

Reviewed-by: Anatoly Burakov <anatoly.burakov@intel.com>
diff mbox series

Patch

diff --git a/examples/vm_power_manager/channel_manager.h b/examples/vm_power_manager/channel_manager.h
index 119b0d5cc..d2a398216 100644
--- a/examples/vm_power_manager/channel_manager.h
+++ b/examples/vm_power_manager/channel_manager.h
@@ -14,17 +14,13 @@  extern "C" {
 #include <rte_atomic.h>
 
 /* Maximum number of CPUs */
-#define CHANNEL_CMDS_MAX_CPUS        64
-#if CHANNEL_CMDS_MAX_CPUS > 64
-#error Maximum number of cores is 64, overflow is guaranteed to \
-    cause problems with VM Power Management
-#endif
+#define CHANNEL_CMDS_MAX_CPUS        256
 
 /* Maximum name length including '\0' terminator */
 #define CHANNEL_MGR_MAX_NAME_LEN    64
 
 /* Maximum number of channels to each Virtual Machine */
-#define CHANNEL_MGR_MAX_CHANNELS    64
+#define CHANNEL_MGR_MAX_CHANNELS    256
 
 /* Hypervisor Path for libvirt(qemu/KVM) */
 #define CHANNEL_MGR_DEFAULT_HV_PATH "qemu:///system"
diff --git a/examples/vm_power_manager/power_manager.h b/examples/vm_power_manager/power_manager.h
index 605b3c8f6..c3673844c 100644
--- a/examples/vm_power_manager/power_manager.h
+++ b/examples/vm_power_manager/power_manager.h
@@ -33,7 +33,7 @@  core_info_init(void);
 #define RTE_LOGTYPE_POWER_MANAGER RTE_LOGTYPE_USER1
 
 /* Maximum number of CPUS to manage */
-#define POWER_MGR_MAX_CPUS 64
+#define POWER_MGR_MAX_CPUS 256
 /**
  * Initialize power management.
  * Initializes resources and verifies the number of CPUs on the system.