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util: add SPDK_CACHE_LINE_SIZE macro definition

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

Change-Id: I8ddb01a382008a3e333967650200c5aa8b93e09e
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/477385
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
This commit is contained in:
Changpeng Liu 2019-12-09 21:13:29 -05:00 committed by Tomasz Zawadzki
parent 1d11ab120d
commit 65506d5116
3 changed files with 4 additions and 3 deletions
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2
include/spdk/util.h
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@ -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))

2
lib/event/reactor.c
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@ -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;

3
lib/vhost/vhost_internal.h
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@ -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