Commit 65506d51 authored by Changpeng Liu's avatar Changpeng Liu Committed by Tomasz Zawadzki
Browse files

util: add SPDK_CACHE_LINE_SIZE macro definition 



For now we don't provide #ifdef to users, SPDK_CACHE_LINE_SIZE is defined with 64 bytes.

Change-Id: I8ddb01a382008a3e333967650200c5aa8b93e09e
Signed-off-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/477385


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarPaul Luse <paul.e.luse@intel.com>
parent 1d11ab12

include/spdk/util.h

+2 −0
Original line number Diff line number Diff line
@@ -44,6 +44,8 @@ 
extern "C" {

#endif



#define SPDK_CACHE_LINE_SIZE 64



#define spdk_min(a,b) (((a)<(b))?(a):(b))

#define spdk_max(a,b) (((a)>(b))?(a):(b))

lib/event/reactor.c

+1 −1
Original line number Diff line number Diff line
@@ -81,7 +81,7 @@ struct spdk_reactor { 


	/* The last known rusage values */

	struct rusage					rusage;

} __attribute__((aligned(64)));

} __attribute__((aligned(SPDK_CACHE_LINE_SIZE)));



static struct spdk_reactor *g_reactors;

static struct spdk_cpuset *g_reactor_core_mask;

lib/vhost/vhost_internal.h

+1 −2
Original line number Diff line number Diff line
@@ -42,11 +42,10 @@ 
#include "spdk_internal/vhost_user.h"

#include "spdk_internal/log.h"

#include "spdk/event.h"

#include "spdk/util.h"

#include "spdk/rpc.h"

#include "spdk/config.h"



#define SPDK_CACHE_LINE_SIZE RTE_CACHE_LINE_SIZE



#define SPDK_VHOST_MAX_VQUEUES	256

#define SPDK_VHOST_MAX_VQ_SIZE	1024