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authorRickard Green <[email protected]>2014-02-23 20:04:30 +0100
committerRickard Green <[email protected]>2014-02-23 20:04:30 +0100
commitb2017b91a5572f7bc2caf15082b4b105f3a3e21d (patch)
tree4f4ea3d654467043895a613b45b40f27f1a9d476 /erts/include/internal
parentdb911c1f15372d2dadf06e8502506b0936a4fbb3 (diff)
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Introduce configure option --with-assumed-cache-line-size=SIZE
Diffstat (limited to 'erts/include/internal')
-rw-r--r--erts/include/internal/ethread.h2
-rw-r--r--erts/include/internal/ethread_header_config.h.in2
2 files changed, 3 insertions, 1 deletions
diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h
index 38b8e9e9b6..3a676e2a36 100644
--- a/erts/include/internal/ethread.h
+++ b/erts/include/internal/ethread.h
@@ -60,7 +60,7 @@
#endif
/* Assume 64-byte cache line size */
-#define ETHR_CACHE_LINE_SIZE 64
+#define ETHR_CACHE_LINE_SIZE ASSUMED_CACHE_LINE_SIZE
#define ETHR_CACHE_LINE_MASK (ETHR_CACHE_LINE_SIZE - 1)
#define ETHR_CACHE_LINE_ALIGN_SIZE(SZ) \
diff --git a/erts/include/internal/ethread_header_config.h.in b/erts/include/internal/ethread_header_config.h.in
index dd3599f86d..b36322490a 100644
--- a/erts/include/internal/ethread_header_config.h.in
+++ b/erts/include/internal/ethread_header_config.h.in
@@ -235,3 +235,5 @@
/* Define if you want to turn on extra sanity checking in the ethread library */
#undef ETHR_XCHK
+/* Assumed cache-line size (in bytes) */
+#undef ASSUMED_CACHE_LINE_SIZE